auto import from //depot/cupcake/@135843

57 files changed, 14043 insertions, 0 deletions

diff --git a/awt/javax/imageio/IIOException.java b/awt/javax/imageio/IIOException.java
new file mode 100644
index 0000000..c77716c
--- /dev/null
+++ b/awt/javax/imageio/IIOException.java
@@ -0,0 +1,60 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import java.io.IOException;
+
+/**
+ * The IIOException class indicates errors in reading/writing operations.
+ * 
+ * @since Android 1.0
+ */
+public class IIOException extends IOException {
+
+    /**
+     * The Constant serialVersionUID.
+     */
+    private static final long serialVersionUID = -3216210718638985251L;
+
+    /**
+     * Instantiates a new IIOException.
+     * 
+     * @param message
+     *            the detailed message.
+     */
+    public IIOException(String message) {
+        super(message);
+    }
+
+    /**
+     * Instantiates a new IIOException.
+     * 
+     * @param message
+     *            the detailed message.
+     * @param cause
+     *            the cause of this exception.
+     */
+    public IIOException(String message, Throwable cause) {
+        super(message);
+        initCause(cause);
+    }
+}
diff --git a/awt/javax/imageio/IIOImage.java b/awt/javax/imageio/IIOImage.java
new file mode 100644
index 0000000..e9e5130
--- /dev/null
+++ b/awt/javax/imageio/IIOImage.java
@@ -0,0 +1,224 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import javax.imageio.metadata.IIOMetadata;
+import java.awt.image.RenderedImage;
+import java.awt.image.Raster;
+import java.awt.image.BufferedImage;
+import java.util.List;
+
+/**
+ * The IIOImage class combines the image, image's thumbnail and image's
+ * metadata. The image can be presented as RenderedImage or Raster object.
+ * 
+ * @since Android 1.0
+ */
+public class IIOImage {
+
+    /**
+     * The image of this IIOImage.
+     */
+    protected RenderedImage image;
+
+    /**
+     * The raster of this IIOImage.
+     */
+    protected Raster raster;
+
+    /**
+     * The list with thumbnails associated with the image.
+     */
+    protected List<? extends BufferedImage> thumbnails;
+
+    /**
+     * The metadata associated with the image.
+     */
+    protected IIOMetadata metadata;
+
+    /**
+     * Instantiates a new IIOImage with the specified RenderedImage, list of
+     * thumbnails and metadata.
+     * 
+     * @param image
+     *            the image specified by RenderedImage.
+     * @param thumbnails
+     *            the list of BufferedImage objects which represent the
+     *            thumbnails of the image.
+     * @param metadata
+     *            the metadata of the image.
+     */
+    public IIOImage(RenderedImage image, List<? extends BufferedImage> thumbnails,
+            IIOMetadata metadata) {
+        if (image == null) {
+            throw new IllegalArgumentException("image should not be NULL");
+        }
+        this.raster = null;
+        this.image = image;
+        this.thumbnails = thumbnails;
+        this.metadata = metadata;
+    }
+
+    /**
+     * Instantiates a new IIOImage with the specified Raster, list of thumbnails
+     * and metadata.
+     * 
+     * @param raster
+     *            the Raster.
+     * @param thumbnails
+     *            the list of BufferedImage objects which represent the
+     *            thumbnails of Raster data.
+     * @param metadata
+     *            the metadata.
+     */
+    public IIOImage(Raster raster, List<? extends BufferedImage> thumbnails, IIOMetadata metadata) {
+        if (raster == null) {
+            throw new IllegalArgumentException("raster should not be NULL");
+        }
+        this.image = null;
+        this.raster = raster;
+        this.thumbnails = thumbnails;
+        this.metadata = metadata;
+    }
+
+    /**
+     * Gets the RenderedImage object or returns null if this IIOImage object is
+     * associated with a Raster.
+     * 
+     * @return the RenderedImage object or null if this IIOImage object is
+     *         associated with a Raster.
+     */
+    public RenderedImage getRenderedImage() {
+        return image;
+    }
+
+    /**
+     * Sets the RenderedImage to this IIOImage object.
+     * 
+     * @param image
+     *            the RenderedImage to be set to this IIOImage.
+     */
+    public void setRenderedImage(RenderedImage image) {
+        if (image == null) {
+            throw new IllegalArgumentException("image should not be NULL");
+        }
+        raster = null;
+        this.image = image;
+    }
+
+    /**
+     * Returns true if the IIOImage object associated with a Raster, or false if
+     * it's associated with a RenderedImage.
+     * 
+     * @return true, if the IIOImage object associated with a Raster, or false
+     *         if it's associated with a RenderedImage.
+     */
+    public boolean hasRaster() {
+        return raster != null;
+    }
+
+    /**
+     * Gets the Raster object or returns null if this IIOImage object is
+     * associated with a RenderedImage.
+     * 
+     * @return the Raster or null if this IIOImage object is associated with a
+     *         RenderedImage.
+     */
+    public Raster getRaster() {
+        return raster;
+    }
+
+    /**
+     * Sets the Raster to the IIOImage.
+     * 
+     * @param raster
+     *            the new Raster to the IIOImage.
+     */
+    public void setRaster(Raster raster) {
+        if (raster == null) {
+            throw new IllegalArgumentException("raster should not be NULL");
+        }
+        image = null;
+        this.raster = raster;
+    }
+
+    /**
+     * Gets the number of thumbnails for this IIOImage.
+     * 
+     * @return the number of thumbnails for this IIOImage.
+     */
+    public int getNumThumbnails() {
+        return thumbnails != null ? thumbnails.size() : 0;
+    }
+
+    /**
+     * Gets the thumbnail with the specified index in the list.
+     * 
+     * @param index
+     *            the index of the thumbnail in the list.
+     * @return the thumbnail with the specified index in the list.
+     */
+    public BufferedImage getThumbnail(int index) {
+        if (thumbnails != null) {
+            return thumbnails.get(index);
+        }
+        throw new IndexOutOfBoundsException("no thumbnails were set");
+    }
+
+    /**
+     * Gets the list of thumbnails.
+     * 
+     * @return the list of thumbnails.
+     */
+    public List<? extends BufferedImage> getThumbnails() {
+        return thumbnails;
+    }
+
+    /**
+     * Sets the list of thumbnails images to this IIOImage object.
+     * 
+     * @param thumbnails
+     *            the list of BufferedImage which represent thumbnails.
+     */
+    public void setThumbnails(List<? extends BufferedImage> thumbnails) {
+        this.thumbnails = thumbnails;
+    }
+
+    /**
+     * Gets the metadata of this IIOImage.
+     * 
+     * @return the metadata of this IIOImage.
+     */
+    public IIOMetadata getMetadata() {
+        return metadata;
+    }
+
+    /**
+     * Sets the metadata to this IIOImage object.
+     * 
+     * @param metadata
+     *            the IIOMetadata, or null.
+     */
+    public void setMetadata(IIOMetadata metadata) {
+        this.metadata = metadata;
+    }
+}
diff --git a/awt/javax/imageio/IIOParam.java b/awt/javax/imageio/IIOParam.java
new file mode 100644
index 0000000..2ccc945
--- /dev/null
+++ b/awt/javax/imageio/IIOParam.java
@@ -0,0 +1,342 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import java.awt.*;
+
+/**
+ * The IIOParam abstract class is superclass for ImageReadParam and
+ * ImageWriteParam classes and provides methods and variables which they share.
+ * 
+ * @since Android 1.0
+ */
+public abstract class IIOParam {
+
+    /**
+     * The source region.
+     */
+    protected Rectangle sourceRegion;
+
+    /**
+     * The source x subsampling.
+     */
+    protected int sourceXSubsampling = 1;
+
+    /**
+     * The source y subsampling.
+     */
+    protected int sourceYSubsampling = 1;
+
+    /**
+     * The subsampling x offset.
+     */
+    protected int subsamplingXOffset;
+
+    /**
+     * The subsampling y offset.
+     */
+    protected int subsamplingYOffset;
+
+    /**
+     * The source bands.
+     */
+    protected int[] sourceBands;
+
+    /**
+     * The destination type.
+     */
+    protected ImageTypeSpecifier destinationType;
+
+    /**
+     * The destination offset.
+     */
+    protected Point destinationOffset = new Point(0, 0);
+
+    /**
+     * The default controller.
+     */
+    protected IIOParamController defaultController;
+
+    /**
+     * The controller.
+     */
+    protected IIOParamController controller;
+
+    /**
+     * Instantiates a new IIOParam.
+     */
+    protected IIOParam() {
+    }
+
+    /**
+     * Sets the source region as a Rectangle object.
+     * 
+     * @param sourceRegion
+     *            the Rectangle which specifies the source region.
+     */
+    public void setSourceRegion(Rectangle sourceRegion) {
+        if (sourceRegion != null) {
+            if (sourceRegion.x < 0) {
+                throw new IllegalArgumentException("x < 0");
+            }
+            if (sourceRegion.y < 0) {
+                throw new IllegalArgumentException("y < 0");
+            }
+            if (sourceRegion.width <= 0) {
+                throw new IllegalArgumentException("width <= 0");
+            }
+            if (sourceRegion.height <= 0) {
+                throw new IllegalArgumentException("height <= 0");
+            }
+
+            if (sourceRegion.width <= subsamplingXOffset) {
+                throw new IllegalArgumentException("width <= subsamplingXOffset");
+            }
+
+            if (sourceRegion.height <= subsamplingYOffset) {
+                throw new IllegalArgumentException("height <= subsamplingXOffset");
+            }
+            // -- clone it to avoid unexpected modifications
+            this.sourceRegion = (Rectangle)sourceRegion.clone();
+        } else {
+            this.sourceRegion = null;
+        }
+    }
+
+    /**
+     * Gets the source region.
+     * 
+     * @return the source region as Rectangle.
+     */
+    public Rectangle getSourceRegion() {
+        if (sourceRegion == null) {
+            return null;
+        }
+        // -- clone it to avoid unexpected modifications
+        return (Rectangle)sourceRegion.clone();
+    }
+
+    /**
+     * Sets the source subsampling. The sourceXSubsampling and
+     * sourceYSubsampling parameters specify the number of rows and columns to
+     * advance after every source pixel.
+     * 
+     * @param sourceXSubsampling
+     *            the source X subsampling.
+     * @param sourceYSubsampling
+     *            the source Y subsampling.
+     * @param subsamplingXOffset
+     *            the subsampling X offset.
+     * @param subsamplingYOffset
+     *            the subsampling Y offset.
+     */
+    public void setSourceSubsampling(int sourceXSubsampling, int sourceYSubsampling,
+            int subsamplingXOffset, int subsamplingYOffset) {
+
+        if (sourceXSubsampling <= 0) {
+            throw new IllegalArgumentException("sourceXSubsampling <= 0");
+        }
+        if (sourceYSubsampling <= 0) {
+            throw new IllegalArgumentException("sourceYSubsampling <= 0");
+        }
+
+        if (subsamplingXOffset <= 0 || subsamplingXOffset >= sourceXSubsampling) {
+            throw new IllegalArgumentException("subsamplingXOffset is wrong");
+        }
+
+        if (subsamplingYOffset <= 0 || subsamplingYOffset >= sourceYSubsampling) {
+            throw new IllegalArgumentException("subsamplingYOffset is wrong");
+        }
+
+        // -- does region contain pixels
+        if (sourceRegion != null) {
+            if (sourceRegion.width <= subsamplingXOffset
+                    || sourceRegion.height <= subsamplingYOffset) {
+                throw new IllegalArgumentException("there are no pixels in region");
+            }
+        }
+
+        this.sourceXSubsampling = sourceXSubsampling;
+        this.sourceYSubsampling = sourceYSubsampling;
+        this.subsamplingXOffset = subsamplingXOffset;
+        this.subsamplingYOffset = subsamplingYOffset;
+    }
+
+    /**
+     * Gets the source X subsampling - the number of source columns to advance
+     * for each pixel.
+     * 
+     * @return the source X subsampling.
+     */
+    public int getSourceXSubsampling() {
+        return sourceXSubsampling;
+    }
+
+    /**
+     * Gets the source Y subsampling - the number of source rows to advance for
+     * each pixel.
+     * 
+     * @return the source Y subsampling.
+     */
+    public int getSourceYSubsampling() {
+        return sourceYSubsampling;
+    }
+
+    /**
+     * Gets the horizontal offset of the subsampling grid.
+     * 
+     * @return the horizontal offset of the subsampling grid.
+     */
+    public int getSubsamplingXOffset() {
+        return subsamplingXOffset;
+    }
+
+    /**
+     * Gets the vertical offset of the subsampling grid.
+     * 
+     * @return the vertical offset of the subsampling grid.
+     */
+    public int getSubsamplingYOffset() {
+        return subsamplingYOffset;
+    }
+
+    /**
+     * Sets the indices of the source bands.
+     * 
+     * @param sourceBands
+     *            the indices of the source bands.
+     */
+    public void setSourceBands(int[] sourceBands) {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Gets the array of source bands.
+     * 
+     * @return the array of source bands.
+     */
+    public int[] getSourceBands() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Sets the specified ImageTypeSpecifier for the destination image.
+     * 
+     * @param destinationType
+     *            the ImageTypeSpecifier.
+     */
+    public void setDestinationType(ImageTypeSpecifier destinationType) {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Gets the type of the destination image as an ImageTypeSpecifier. .
+     * 
+     * @return the ImageTypeSpecifier.
+     */
+    public ImageTypeSpecifier getDestinationType() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Sets the offset in the destination image where the decoded pixels are
+     * placed as a result of reading, or specified an area to be written while
+     * writing operation.
+     * 
+     * @param destinationOffset
+     *            the destination offset.
+     */
+    public void setDestinationOffset(Point destinationOffset) {
+        if (destinationOffset == null) {
+            throw new IllegalArgumentException("destinationOffset == null!");
+        }
+
+        this.destinationOffset = (Point)destinationOffset.clone();
+    }
+
+    /**
+     * Gets the offset in the destination image for placing pixels.
+     * 
+     * @return the offset in the destination image.
+     */
+    public Point getDestinationOffset() {
+        return (Point)destinationOffset.clone();
+    }
+
+    /**
+     * Sets the IIOParamController to this IIOParam object for providing
+     * settings to this IIOParam.
+     * 
+     * @param controller
+     *            the new IIOParamController.
+     */
+    public void setController(IIOParamController controller) {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Gets the current IIOParamController controller for this IIOParam.
+     * 
+     * @return the current IIOParamController controller for this IIOParam.
+     */
+    public IIOParamController getController() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Gets the default IIOParamController controller for this IIOParam.
+     * 
+     * @return the default IIOParamController controller for this IIOParam, or
+     *         null.
+     */
+    public IIOParamController getDefaultController() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Returns true if IIOParamController is installed for this IIOParam.
+     * 
+     * @return true, if IIOParamController is installed for this IIOParam, false
+     *         otherwise.
+     */
+    public boolean hasController() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+
+    /**
+     * Activates the controller.
+     * 
+     * @return true, if successful, false otherwise.
+     */
+    public boolean activateController() {
+        // TODO implement
+        throw new UnsupportedOperationException("not implemented yet");
+    }
+}
diff --git a/awt/javax/imageio/IIOParamController.java b/awt/javax/imageio/IIOParamController.java
new file mode 100644
index 0000000..338cb25
--- /dev/null
+++ b/awt/javax/imageio/IIOParamController.java
@@ -0,0 +1,45 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio;
+
+/* 
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+/**
+ * The IIOParamController specifies an activate method that invokes the
+ * controller.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOParamController {
+
+    /**
+     * Activates the controller.
+     * 
+     * @param param
+     *            the IIOParam.
+     * @return true, if the IIOParam has been modified, false otherwise.
+     */
+    boolean activate(IIOParam param);
+}
diff --git a/awt/javax/imageio/ImageIO.java b/awt/javax/imageio/ImageIO.java
new file mode 100644
index 0000000..e0d7ec9
--- /dev/null
+++ b/awt/javax/imageio/ImageIO.java
@@ -0,0 +1,800 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
+import javax.imageio.spi.*;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Iterator;
+import java.util.Arrays;
+import java.awt.image.BufferedImage;
+import java.awt.image.RenderedImage;
+import java.net.URL;
+
+/**
+ * The ImageIO class provides static methods to perform reading and writing
+ * operations using registered ImageReader and ImageWriter objects.
+ * 
+ * @since Android 1.0
+ */
+public final class ImageIO {
+
+    /**
+     * The constant registry.
+     */
+    private static final IIORegistry registry = IIORegistry.getDefaultInstance();
+
+    /**
+     * Instantiates a new ImageIO.
+     */
+    private ImageIO() {
+    }
+
+    /**
+     * Scans for plug-ins in the class path, loads spi classes, and registers
+     * them with the IIORegistry.
+     */
+    public static void scanForPlugins() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Sets flag which indicates whether a cache file is used when creating
+     * ImageInputStreams and ImageOutputStreams or not.
+     * 
+     * @param useCache
+     *            the use cache flag.
+     */
+    public static void setUseCache(boolean useCache) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the flag which indicates whether a cache file is used when creating
+     * ImageInputStreams and ImageOutputStreams or not. This method returns the
+     * current value which is set by setUseCache method.
+     * 
+     * @return the use cache flag.
+     */
+    public static boolean getUseCache() {
+        // TODO implement
+        return false;
+    }
+
+    /**
+     * Sets the cache directory.
+     * 
+     * @param cacheDirectory
+     *            the File which specifies a cache directory.
+     */
+    public static void setCacheDirectory(File cacheDirectory) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the directory where cache files are created, returned the file which
+     * is set by setCacheDirectory method, or null.
+     * 
+     * @return the File object which is set by setCacheDirectory method, or
+     *         null.
+     */
+    public static File getCacheDirectory() {
+        // TODO implement
+        // -- null indicates system-dep default temporary directory
+        return null;
+    }
+
+    /**
+     * Creates an ImageInputStream from the specified Object. The specified
+     * Object should obtain the input source such as File, or InputStream.
+     * 
+     * @param input
+     *            the input Object such as File, or InputStream.
+     * @return the ImageInputStream object, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static ImageInputStream createImageInputStream(Object input) throws IOException {
+
+        if (input == null) {
+            throw new IllegalArgumentException("input source cannot be NULL");
+        }
+
+        Iterator<ImageInputStreamSpi> it = registry.getServiceProviders(ImageInputStreamSpi.class,
+                true);
+
+        while (it.hasNext()) {
+            ImageInputStreamSpi spi = it.next();
+            if (spi.getInputClass().isInstance(input)) {
+                return spi.createInputStreamInstance(input);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Creates an ImageOutputStream using the specified Object. The specified
+     * Object should obtain the output source such as File, or OutputStream.
+     * 
+     * @param output
+     *            the output Object such as File, or OutputStream.
+     * @return the ImageOutputStream object, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static ImageOutputStream createImageOutputStream(Object output) throws IOException {
+        if (output == null) {
+            throw new IllegalArgumentException("output destination cannot be NULL");
+        }
+
+        Iterator<ImageOutputStreamSpi> it = registry.getServiceProviders(
+                ImageOutputStreamSpi.class, true);
+
+        while (it.hasNext()) {
+            ImageOutputStreamSpi spi = it.next();
+            if (spi.getOutputClass().isInstance(output)) {
+                // todo - use getUseCache and getCacheDir here
+                return spi.createOutputStreamInstance(output);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Gets the array of format names as String which can be decoded by
+     * registered ImageReader objects.
+     * 
+     * @return the array of format names.
+     */
+    public static String[] getReaderFormatNames() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the array of MIME types as String which can be decoded by registered
+     * ImageReader objects.
+     * 
+     * @return the array of MIME types.
+     */
+    public static String[] getReaderMIMETypes() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the Iterator of registered ImageReader which are able to decode an
+     * input data specified by input Object.
+     * 
+     * @param input
+     *            the input Object with encoded data such as ImageInputStream
+     *            object.
+     * @return the Iterator of registered ImageReader.
+     */
+    public static Iterator<ImageReader> getImageReaders(Object input) {
+        if (input == null) {
+            throw new NullPointerException("input cannot be NULL");
+        }
+
+        Iterator<ImageReaderSpi> it = registry.getServiceProviders(ImageReaderSpi.class,
+                new CanReadFilter(input), true);
+
+        return new SpiIteratorToReadersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator of registered ImageReader which are able to decode the
+     * specified format.
+     * 
+     * @param formatName
+     *            the format name such as "jpeg", or "gif".
+     * @return the Iterator of registered ImageReader.
+     */
+    public static Iterator<ImageReader> getImageReadersByFormatName(String formatName) {
+        if (formatName == null) {
+            throw new NullPointerException("format name cannot be NULL");
+        }
+
+        Iterator<ImageReaderSpi> it = registry.getServiceProviders(ImageReaderSpi.class,
+                new FormatFilter(formatName), true);
+
+        return new SpiIteratorToReadersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator which lists the registered ImageReader objects that are
+     * able to decode files with the specified suffix.
+     * 
+     * @param fileSuffix
+     *            the file suffix such as "jpg".
+     * @return the Iterator of registered ImageReaders.
+     */
+    public static Iterator<ImageReader> getImageReadersBySuffix(String fileSuffix) {
+        if (fileSuffix == null) {
+            throw new NullPointerException("suffix cannot be NULL");
+        }
+        Iterator<ImageReaderSpi> it = registry.getServiceProviders(ImageReaderSpi.class,
+                new SuffixFilter(fileSuffix), true);
+
+        return new SpiIteratorToReadersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator of registered ImageReader objects that are able to
+     * decode files with the specified MIME type.
+     * 
+     * @param MIMEType
+     *            the MIME type such as "image/jpeg".
+     * @return the Iterator of registered ImageReaders.
+     */
+    public static Iterator<ImageReader> getImageReadersByMIMEType(String MIMEType) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an array of Strings giving the names of the formats supported by
+     * registered ImageWriter objects.
+     * 
+     * @return the array of format names.
+     */
+    public static String[] getWriterFormatNames() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an array of Strings giving the MIME types of the formats supported
+     * by registered ImageWriter objects.
+     * 
+     * @return the array of MIME types.
+     */
+    public static String[] getWriterMIMETypes() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the Iterator which lists the registered ImageReader objects that are
+     * able to encode the specified image format.
+     * 
+     * @param formatName
+     *            the image format name such as "jpeg".
+     * @return the Iterator of registered ImageWriter.
+     */
+    public static Iterator<ImageWriter> getImageWritersByFormatName(String formatName) {
+        if (formatName == null) {
+            throw new NullPointerException("format name cannot be NULL");
+        }
+
+        Iterator<ImageWriterSpi> it = registry.getServiceProviders(ImageWriterSpi.class,
+                new FormatFilter(formatName), true);
+
+        return new SpiIteratorToWritersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator which lists the registered ImageReader objects that are
+     * able to encode the specified suffix.
+     * 
+     * @param fileSuffix
+     *            the file suffix such as "jpg".
+     * @return the Iterator of registered ImageWriter.
+     */
+    public static Iterator<ImageWriter> getImageWritersBySuffix(String fileSuffix) {
+        if (fileSuffix == null) {
+            throw new NullPointerException("suffix cannot be NULL");
+        }
+        Iterator<ImageWriterSpi> it = registry.getServiceProviders(ImageWriterSpi.class,
+                new SuffixFilter(fileSuffix), true);
+        return new SpiIteratorToWritersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator which lists the registered ImageReader objects that are
+     * able to encode the specified MIME type.
+     * 
+     * @param MIMEType
+     *            the MIME type such as "image/jpeg".
+     * @return the Iterator of registered ImageWriter.
+     */
+    public static Iterator<ImageWriter> getImageWritersByMIMEType(String MIMEType) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an ImageWriter object which corresponds to the specified
+     * ImageReader, or returns null if the specified ImageReader is not
+     * registered.
+     * 
+     * @param reader
+     *            the specified ImageReader.
+     * @return the ImageWriter, or null.
+     */
+    public static ImageWriter getImageWriter(ImageReader reader) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an ImageReader object which corresponds to the specified
+     * ImageWriter, or returns null if the specified ImageWriter is not
+     * registered.
+     * 
+     * @param writer
+     *            the registered ImageWriter object.
+     * @return the ImageReader.
+     */
+    public static ImageReader getImageReader(ImageWriter writer) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the Iterator of ImageWriter objects which are able to encode images
+     * with the specified ImageTypeSpecifier and format.
+     * 
+     * @param type
+     *            the ImageTypeSpecifier, which defines layout.
+     * @param formatName
+     *            the format name.
+     * @return the Iterator of ImageWriter objects.
+     */
+    public static Iterator<ImageWriter> getImageWriters(ImageTypeSpecifier type, String formatName) {
+        if (type == null) {
+            throw new NullPointerException("type cannot be NULL");
+        }
+
+        if (formatName == null) {
+            throw new NullPointerException("format name cannot be NULL");
+        }
+
+        Iterator<ImageWriterSpi> it = registry.getServiceProviders(ImageWriterSpi.class,
+                new FormatAndEncodeFilter(type, formatName), true);
+
+        return new SpiIteratorToWritersIteratorWrapper(it);
+    }
+
+    /**
+     * Gets the Iterator of registered ImageTranscoders which are able to
+     * transcode the metadata of the specified ImageReader object to a suitable
+     * object for encoding by the specified ImageWriter.
+     * 
+     * @param reader
+     *            the specified ImageReader.
+     * @param writer
+     *            the specified ImageWriter.
+     * @return the Iterator of registered ImageTranscoders.
+     */
+    public static Iterator<ImageTranscoder> getImageTranscoders(ImageReader reader,
+            ImageWriter writer) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Reads image data from the specified File and decodes it using the
+     * appropriate registered ImageReader object. The File is wrapped in an
+     * ImageInputStream.
+     * 
+     * @param input
+     *            the File to be read.
+     * @return the BufferedImage decoded from the specified File, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static BufferedImage read(File input) throws IOException {
+        if (input == null) {
+            throw new IllegalArgumentException("input == null!");
+        }
+
+        ImageInputStream stream = createImageInputStream(input);
+        return read(stream);
+    }
+
+    /**
+     * Reads image data from the specified InputStream and decodes it using an
+     * appropriate registered an ImageReader object.
+     * 
+     * @param input
+     *            the InputStream.
+     * @return the BufferedImage decoded from the specified InputStream, or
+     *         null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static BufferedImage read(InputStream input) throws IOException {
+        if (input == null) {
+            throw new IllegalArgumentException("input == null!");
+        }
+
+        ImageInputStream stream = createImageInputStream(input);
+        return read(stream);
+    }
+
+    /**
+     * Reads image data from the specified URL and decodes it using the
+     * appropriate registered ImageReader object.
+     * 
+     * @param input
+     *            the URL to be read.
+     * @return the BufferedImage decoded from the specified URL, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static BufferedImage read(URL input) throws IOException {
+        if (input == null) {
+            throw new IllegalArgumentException("input == null!");
+        }
+
+        InputStream stream = input.openStream();
+        BufferedImage res = read(stream);
+        stream.close();
+
+        return res;
+    }
+
+    /**
+     * Reads image data from the specified ImageInputStream and decodes it using
+     * appropriate registered an ImageReader object.
+     * 
+     * @param stream
+     *            the ImageInputStream.
+     * @return the BufferedImage decoded from the specified ImageInputStream, or
+     *         null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static BufferedImage read(ImageInputStream stream) throws IOException {
+        if (stream == null) {
+            throw new IllegalArgumentException("stream == null!");
+        }
+
+        Iterator<ImageReader> imageReaders = getImageReaders(stream);
+        if (!imageReaders.hasNext()) {
+            return null;
+        }
+
+        ImageReader reader = imageReaders.next();
+        reader.setInput(stream, false, true);
+        BufferedImage res = reader.read(0);
+        reader.dispose();
+
+        try {
+            stream.close();
+        } catch (IOException e) {
+            // Stream could be already closed, proceed silently in this case
+        }
+
+        return res;
+    }
+
+    /**
+     * Writes the specified image in the specified format (using an appropriate
+     * ImageWriter) to the specified ImageOutputStream.
+     * 
+     * @param im
+     *            the RenderedImage.
+     * @param formatName
+     *            the format name.
+     * @param output
+     *            the ImageOutputStream where Image to be written.
+     * @return true, if Image is written successfully, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static boolean write(RenderedImage im, String formatName, ImageOutputStream output)
+            throws IOException {
+
+        if (im == null) {
+            throw new IllegalArgumentException("image cannot be NULL");
+        }
+        if (formatName == null) {
+            throw new IllegalArgumentException("format name cannot be NULL");
+        }
+        if (output == null) {
+            throw new IllegalArgumentException("output cannot be NULL");
+        }
+
+        Iterator<ImageWriter> it = getImageWriters(ImageTypeSpecifier.createFromRenderedImage(im),
+                formatName);
+        if (it.hasNext()) {
+            ImageWriter writer = it.next();
+            writer.setOutput(output);
+            writer.write(im);
+            output.flush();
+            writer.dispose();
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Writes the specified image in the specified format (using an appropriate
+     * ImageWriter) to the specified File.
+     * 
+     * @param im
+     *            the RenderedImage.
+     * @param formatName
+     *            the format name.
+     * @param output
+     *            the output File where Image to be written.
+     * @return true, if Image is written successfully, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static boolean write(RenderedImage im, String formatName, File output)
+            throws IOException {
+
+        if (output == null) {
+            throw new IllegalArgumentException("output cannot be NULL");
+        }
+
+        if (output.exists()) {
+            output.delete();
+        }
+
+        ImageOutputStream ios = createImageOutputStream(output);
+        boolean rt = write(im, formatName, ios);
+        ios.close();
+        return rt;
+    }
+
+    /**
+     * Writes the specified image in the specified format (using an appropriate
+     * ImageWriter) to the specified OutputStream.
+     * 
+     * @param im
+     *            the RenderedImage.
+     * @param formatName
+     *            the format name.
+     * @param output
+     *            the OutputStream where Image is to be written.
+     * @return true, if Image is written successfully, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public static boolean write(RenderedImage im, String formatName, OutputStream output)
+            throws IOException {
+
+        if (output == null) {
+            throw new IllegalArgumentException("output cannot be NULL");
+        }
+
+        ImageOutputStream ios = createImageOutputStream(output);
+        boolean rt = write(im, formatName, ios);
+        ios.close();
+        return rt;
+    }
+
+    /**
+     * Filter to match spi by format name.
+     */
+    static class FormatFilter implements ServiceRegistry.Filter {
+
+        /**
+         * The name.
+         */
+        private String name;
+
+        /**
+         * Instantiates a new format filter.
+         * 
+         * @param name
+         *            the name.
+         */
+        public FormatFilter(String name) {
+            this.name = name;
+        }
+
+        public boolean filter(Object provider) {
+            ImageReaderWriterSpi spi = (ImageReaderWriterSpi)provider;
+            return Arrays.asList(spi.getFormatNames()).contains(name);
+        }
+    }
+
+    /**
+     * Filter to match spi by format name and encoding possibility.
+     */
+    static class FormatAndEncodeFilter extends FormatFilter {
+
+        /**
+         * The type.
+         */
+        private ImageTypeSpecifier type;
+
+        /**
+         * Instantiates a new format and encode filter.
+         * 
+         * @param type
+         *            the type.
+         * @param name
+         *            the name.
+         */
+        public FormatAndEncodeFilter(ImageTypeSpecifier type, String name) {
+            super(name);
+            this.type = type;
+        }
+
+        @Override
+        public boolean filter(Object provider) {
+            ImageWriterSpi spi = (ImageWriterSpi)provider;
+            return super.filter(provider) && spi.canEncodeImage(type);
+        }
+    }
+
+    /**
+     * Filter to match spi by suffix.
+     */
+    static class SuffixFilter implements ServiceRegistry.Filter {
+
+        /**
+         * The suf.
+         */
+        private String suf;
+
+        /**
+         * Instantiates a new suffix filter.
+         * 
+         * @param suf
+         *            the suf.
+         */
+        public SuffixFilter(String suf) {
+            this.suf = suf;
+        }
+
+        public boolean filter(Object provider) {
+            ImageReaderWriterSpi spi = (ImageReaderWriterSpi)provider;
+            return Arrays.asList(spi.getFileSuffixes()).contains(suf);
+        }
+    }
+
+    /**
+     * Filter to match spi by decoding possibility.
+     */
+    static class CanReadFilter implements ServiceRegistry.Filter {
+
+        /**
+         * The input.
+         */
+        private Object input;
+
+        /**
+         * Instantiates a new can read filter.
+         * 
+         * @param input
+         *            the input.
+         */
+        public CanReadFilter(Object input) {
+            this.input = input;
+        }
+
+        public boolean filter(Object provider) {
+            ImageReaderSpi spi = (ImageReaderSpi)provider;
+            try {
+                return spi.canDecodeInput(input);
+            } catch (IOException e) {
+                return false;
+            }
+        }
+    }
+
+    /**
+     * Wraps Spi's iterator to ImageWriter iterator.
+     */
+    static class SpiIteratorToWritersIteratorWrapper implements Iterator<ImageWriter> {
+
+        /**
+         * The backend.
+         */
+        private Iterator<ImageWriterSpi> backend;
+
+        /**
+         * Instantiates a new spi iterator to writers iterator wrapper.
+         * 
+         * @param backend
+         *            the backend.
+         */
+        public SpiIteratorToWritersIteratorWrapper(Iterator<ImageWriterSpi> backend) {
+            this.backend = backend;
+        }
+
+        /**
+         * Next.
+         * 
+         * @return the image writer.
+         */
+        public ImageWriter next() {
+            try {
+                return backend.next().createWriterInstance();
+            } catch (IOException e) {
+                e.printStackTrace();
+                return null;
+            }
+        }
+
+        /**
+         * Checks for next.
+         * 
+         * @return true, if successful.
+         */
+        public boolean hasNext() {
+            return backend.hasNext();
+        }
+
+        /**
+         * Removes the.
+         */
+        public void remove() {
+            throw new UnsupportedOperationException(
+                    "Use deregisterServiceprovider instead of Iterator.remove()");
+        }
+    }
+
+    /**
+     * Wraps spi's iterator to ImageReader iterator.
+     */
+    static class SpiIteratorToReadersIteratorWrapper implements Iterator<ImageReader> {
+
+        /**
+         * The backend.
+         */
+        private Iterator<ImageReaderSpi> backend;
+
+        /**
+         * Instantiates a new spi iterator to readers iterator wrapper.
+         * 
+         * @param backend
+         *            the backend.
+         */
+        public SpiIteratorToReadersIteratorWrapper(Iterator<ImageReaderSpi> backend) {
+            this.backend = backend;
+        }
+
+        /**
+         * Next.
+         * 
+         * @return the image reader.
+         */
+        public ImageReader next() {
+            try {
+                return backend.next().createReaderInstance();
+            } catch (IOException e) {
+                e.printStackTrace();
+                return null;
+            }
+        }
+
+        /**
+         * Checks for next.
+         * 
+         * @return true, if successful.
+         */
+        public boolean hasNext() {
+            return backend.hasNext();
+        }
+
+        /**
+         * Removes the.
+         */
+        public void remove() {
+            throw new UnsupportedOperationException(
+                    "Use deregisterServiceprovider instead of Iterator.remove()");
+        }
+    }
+}
diff --git a/awt/javax/imageio/ImageReadParam.java b/awt/javax/imageio/ImageReadParam.java
new file mode 100644
index 0000000..9cc5c5f
--- /dev/null
+++ b/awt/javax/imageio/ImageReadParam.java
@@ -0,0 +1,201 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio;
+
+import java.awt.Dimension;
+import java.awt.image.BufferedImage;
+
+/*
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+/**
+ * The ImageReadParam class provides information to the ImageReader about how an
+ * image is to be decoded.
+ * 
+ * @since Android 1.0
+ */
+public class ImageReadParam extends IIOParam {
+
+    /**
+     * This flag indicates if this ImageReadParam supports setting the source
+     * rendering size.
+     */
+    protected boolean canSetSourceRenderSize;
+
+    /**
+     * The destination BufferedImage.
+     */
+    protected BufferedImage destination;
+
+    /**
+     * The destination bands.
+     */
+    protected int[] destinationBands;
+
+    /**
+     * The minimum progressive pass.
+     */
+    protected int minProgressivePass;
+
+    /**
+     * The number of progressive passes.
+     */
+    protected int numProgressivePasses;
+
+    /**
+     * The source render size.
+     */
+    protected Dimension sourceRenderSize;
+
+    /**
+     * Returns true if this ImageReaderParam supports rendering a source image
+     * at an arbitrary size.
+     * 
+     * @return true, if this ImageReaderParam supports rendering a source image
+     *         at an arbitrary size, false otherwise.
+     */
+    public boolean canSetSourceRenderSize() {
+        return canSetSourceRenderSize;
+    }
+
+    /**
+     * Gets the current destination image as BufferedImage.
+     * 
+     * @return the BufferedImage which represents the destination.
+     */
+    public BufferedImage getDestination() {
+        return destination;
+    }
+
+    /**
+     * Gets the indices of destination bands.
+     * 
+     * @return the array of destination bands.
+     */
+    public int[] getDestinationBands() {
+        return destinationBands;
+    }
+
+    /**
+     * Gets the index of the maximum pass to be decoded. This method returns
+     * Integer.MAX_VALUE, if getSourceNumProgressivePasses() method returns
+     * value that is equal to Integer.MAX_VALUE. Otherwise this method returns
+     * getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1.
+     * 
+     * @return the index of the maximum pass to be decoded.
+     */
+    public int getSourceMaxProgressivePass() {
+        if (getSourceNumProgressivePasses() == Integer.MAX_VALUE) {
+            return Integer.MAX_VALUE;
+        }
+        return getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1;
+    }
+
+    /**
+     * Gets the index of the minimum progressive pass that is decoded, default
+     * is 0.
+     * 
+     * @return the index of the minimum progressive pass that is decoded,
+     *         default is 0.
+     */
+    public int getSourceMinProgressivePass() {
+        return minProgressivePass;
+    }
+
+    /**
+     * Gets the number of progressive passes. The default value is
+     * Integer.MAX_VALUE.
+     * 
+     * @return the number of progressive passes.
+     */
+    public int getSourceNumProgressivePasses() {
+        return numProgressivePasses;
+    }
+
+    /**
+     * Gets the dimension of source image which will be rendered during decoding
+     * process.
+     * 
+     * @return the source render size.
+     */
+    public Dimension getSourceRenderSize() {
+        return sourceRenderSize;
+    }
+
+    /**
+     * Sets the specified destination image. This image will be used by read,
+     * readAll, and readRaster methods, and a reference to it will be returned
+     * by those methods.
+     * 
+     * @param destination
+     *            the destination image.
+     */
+    public void setDestination(BufferedImage destination) {
+        this.destination = destination;
+    }
+
+    /**
+     * Sets the indices of the destination bands.
+     * 
+     * @param destinationBands
+     *            the indices of the destination bands.
+     */
+    public void setDestinationBands(int[] destinationBands) {
+        this.destinationBands = destinationBands;
+    }
+
+    @Override
+    public void setDestinationType(ImageTypeSpecifier destinationType) {
+        this.destinationType = destinationType;
+    }
+
+    /**
+     * Sets the source progressive passes.
+     * 
+     * @param minPass
+     *            the index of the minimum pass to be decoded.
+     * @param numPasses
+     *            the number of passes to be decoded.
+     */
+    public void setSourceProgressivePasses(int minPass, int numPasses) {
+        minProgressivePass = minPass;
+        numProgressivePasses = numPasses;
+    }
+
+    /**
+     * Sets the dimension size of source image if an image can be rendered at an
+     * arbitrary size.
+     * 
+     * @param size
+     *            the size of rendered image.
+     * @throws UnsupportedOperationException
+     *             the unsupported operation exception.
+     */
+    public void setSourceRenderSize(Dimension size) throws UnsupportedOperationException {
+        if (!canSetSourceRenderSize) {
+            throw new UnsupportedOperationException("can't set source renderer size");
+        }
+        sourceRenderSize = size;
+    }
+}
diff --git a/awt/javax/imageio/ImageReader.java b/awt/javax/imageio/ImageReader.java
new file mode 100644
index 0000000..cf282ed
--- /dev/null
+++ b/awt/javax/imageio/ImageReader.java
@@ -0,0 +1,1162 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.metadata.IIOMetadata;
+import javax.imageio.event.IIOReadWarningListener;
+import javax.imageio.event.IIOReadProgressListener;
+import javax.imageio.event.IIOReadUpdateListener;
+import java.util.Locale;
+import java.util.List;
+import java.util.Iterator;
+import java.util.Set;
+import java.io.IOException;
+import java.awt.image.BufferedImage;
+import java.awt.image.Raster;
+import java.awt.image.RenderedImage;
+import java.awt.*;
+
+/**
+ * The ImageReader class is an abstract class for decoding images. ImageReader
+ * objects are instantiated by the service provider interface, ImageReaderSpi
+ * class, for the specific format. ImageReaderSpi class should be registered
+ * with the IIORegistry, which uses them for format recognition and presentation
+ * of available format readers and writers.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageReader {
+
+    /**
+     * The originating provider.
+     */
+    protected ImageReaderSpi originatingProvider;
+
+    /**
+     * The input object such as ImageInputStream.
+     */
+    protected Object input;
+
+    /**
+     * The seek forward only.
+     */
+    protected boolean seekForwardOnly;
+
+    /**
+     * The ignore metadata flag indicates whether current input source has been
+     * marked as metadata is allowed to be ignored by setInput.
+     */
+    protected boolean ignoreMetadata;
+
+    /**
+     * The minimum index.
+     */
+    protected int minIndex;
+
+    /**
+     * The available locales.
+     */
+    protected Locale[] availableLocales;
+
+    /**
+     * The locale.
+     */
+    protected Locale locale;
+
+    /**
+     * The list of warning listeners.
+     */
+    protected List<IIOReadWarningListener> warningListeners;
+
+    /**
+     * The list of warning locales.
+     */
+    protected List<Locale> warningLocales;
+
+    /**
+     * The list of progress listeners.
+     */
+    protected List<IIOReadProgressListener> progressListeners;
+
+    /**
+     * The list of update listeners.
+     */
+    protected List<IIOReadUpdateListener> updateListeners;
+
+    /**
+     * Instantiates a new ImageReader.
+     * 
+     * @param originatingProvider
+     *            the ImageReaderSpi which instantiates this ImageReader.
+     */
+    protected ImageReader(ImageReaderSpi originatingProvider) {
+        this.originatingProvider = originatingProvider;
+    }
+
+    /**
+     * Gets the format name of this input source.
+     * 
+     * @return the format name of this input source.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public String getFormatName() throws IOException {
+        return originatingProvider.getFormatNames()[0];
+    }
+
+    /**
+     * Gets the ImageReaderSpi which instantiated this ImageReader.
+     * 
+     * @return the ImageReaderSpi.
+     */
+    public ImageReaderSpi getOriginatingProvider() {
+        return originatingProvider;
+    }
+
+    /**
+     * Sets the specified Object as the input source of this ImageReader.
+     * 
+     * @param input
+     *            the input source, it can be an ImageInputStream or other
+     *            supported objects.
+     * @param seekForwardOnly
+     *            indicates whether the stream must be read sequentially from
+     *            its current starting point.
+     * @param ignoreMetadata
+     *            parameter which indicates if metadata may be ignored during
+     *            reads or not.
+     */
+    public void setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata) {
+        if (input != null) {
+            if (!isSupported(input) && !(input instanceof ImageInputStream)) {
+                throw new IllegalArgumentException("input " + input + " is not supported");
+            }
+        }
+        this.minIndex = 0;
+        this.seekForwardOnly = seekForwardOnly;
+        this.ignoreMetadata = ignoreMetadata;
+        this.input = input;
+    }
+
+    /**
+     * Checks if is supported.
+     * 
+     * @param input
+     *            the input.
+     * @return true, if is supported.
+     */
+    private boolean isSupported(Object input) {
+        ImageReaderSpi spi = getOriginatingProvider();
+        if (null != spi) {
+            Class[] outTypes = spi.getInputTypes();
+            for (Class<?> element : outTypes) {
+                if (element.isInstance(input)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Sets the specified Object as the input source of this ImageReader.
+     * Metadata is not ignored.
+     * 
+     * @param input
+     *            the input source, it can be an ImageInputStream or other
+     *            supported objects.
+     * @param seekForwardOnly
+     *            indicates whether the stream must be read sequentially from
+     *            its current starting point.
+     */
+    public void setInput(Object input, boolean seekForwardOnly) {
+        setInput(input, seekForwardOnly, false);
+    }
+
+    /**
+     * Sets the specified Object as the input source of this ImageReader.
+     * Metadata is not ignored and forward seeking is not required.
+     * 
+     * @param input
+     *            the input source, it can be ImageInputStream or other objects.
+     */
+    public void setInput(Object input) {
+        setInput(input, false, false);
+    }
+
+    /**
+     * Gets the input source object of this ImageReader, or returns null.
+     * 
+     * @return the input source object such as ImageInputStream, or null.
+     */
+    public Object getInput() {
+        return input;
+    }
+
+    /**
+     * Checks if the input source supports only forward reading, or not.
+     * 
+     * @return true, if the input source supports only forward reading, false
+     *         otherwise.
+     */
+    public boolean isSeekForwardOnly() {
+        return seekForwardOnly;
+    }
+
+    /**
+     * Returns true if the current input source allows to metadata to be ignored
+     * by passing true as the ignoreMetadata argument to the setInput method.
+     * 
+     * @return true, if the current input source allows to metadata to be
+     *         ignored by passing true as the ignoreMetadata argument to the
+     *         setInput method.
+     */
+    public boolean isIgnoringMetadata() {
+        return ignoreMetadata;
+    }
+
+    /**
+     * Gets the minimum valid index for reading an image, thumbnail, or image
+     * metadata.
+     * 
+     * @return the minimum valid index for reading an image, thumbnail, or image
+     *         metadata.
+     */
+    public int getMinIndex() {
+        return minIndex;
+    }
+
+    /**
+     * Gets the available locales.
+     * 
+     * @return an array of the available locales.
+     */
+    public Locale[] getAvailableLocales() {
+        return availableLocales;
+    }
+
+    /**
+     * Sets the locale to this ImageReader.
+     * 
+     * @param locale
+     *            the Locale.
+     */
+    public void setLocale(Locale locale) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Gets the locale of this ImageReader.
+     * 
+     * @return the locale of this ImageReader.
+     */
+    public Locale getLocale() {
+        return locale;
+    }
+
+    /**
+     * Gets the number of images available in the current input source.
+     * 
+     * @param allowSearch
+     *            the parameter which indicates what a search is required; if
+     *            false, the reader may return -1 without searching.
+     * @return the number of images.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract int getNumImages(boolean allowSearch) throws IOException;
+
+    /**
+     * Gets the width of the specified image in input source.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return the width in pixels.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract int getWidth(int imageIndex) throws IOException;
+
+    /**
+     * Gets the height of the specified image in input source.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return the height in pixels.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract int getHeight(int imageIndex) throws IOException;
+
+    /**
+     * Checks if the storage format of the specified image places an impediment
+     * on random pixels access or not.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return true, if the storage format of the specified image places an
+     *         impediment on random pixels access, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean isRandomAccessEasy(int imageIndex) throws IOException {
+        return false; // def
+    }
+
+    /**
+     * Gets the aspect ratio (width devided by height) of the image.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return the aspect ratio of the image.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public float getAspectRatio(int imageIndex) throws IOException {
+        return (float)getWidth(imageIndex) / getHeight(imageIndex);
+    }
+
+    /**
+     * Gets an ImageTypeSpecifier which indicates the type of the specified
+     * image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the ImageTypeSpecifier.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public ImageTypeSpecifier getRawImageType(int imageIndex) throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Gets an Iterator of ImageTypeSpecifier objects which are associated with
+     * image types that may be used when decoding specified image.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return an Iterator of ImageTypeSpecifier objects.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract Iterator<ImageTypeSpecifier> getImageTypes(int imageIndex) throws IOException;
+
+    /**
+     * Gets the default ImageReadParam object.
+     * 
+     * @return the ImageReadParam object.
+     */
+    public ImageReadParam getDefaultReadParam() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Gets an IIOMetadata object for this input source.
+     * 
+     * @return the IIOMetadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract IIOMetadata getStreamMetadata() throws IOException;
+
+    /**
+     * Gets an IIOMetadata object for this input source.
+     * 
+     * @param formatName
+     *            the desired metadata format to be used in the returned
+     *            IIOMetadata object.
+     * @param nodeNames
+     *            the node names of the document.
+     * @return the IIOMetadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public IIOMetadata getStreamMetadata(String formatName, Set<String> nodeNames)
+            throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Gets the image metadata of the specified image in input source.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return the IIOMetadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract IIOMetadata getImageMetadata(int imageIndex) throws IOException;
+
+    /**
+     * Gets the image metadata of the specified image input source.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param formatName
+     *            the desired metadata format to be used in the returned
+     *            IIOMetadata object.
+     * @param nodeNames
+     *            the node names which can be contained in the document.
+     * @return the IIOMetadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public IIOMetadata getImageMetadata(int imageIndex, String formatName, Set<String> nodeNames)
+            throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Reads the specified image and returns it as a BufferedImage using the
+     * default ImageReadParam.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @return the BufferedImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public BufferedImage read(int imageIndex) throws IOException {
+        return read(imageIndex, null);
+    }
+
+    /**
+     * Reads the specified image and returns it as a BufferedImage using the
+     * specified ImageReadParam.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param param
+     *            the ImageReadParam.
+     * @return the BufferedImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract BufferedImage read(int imageIndex, ImageReadParam param) throws IOException;
+
+    /**
+     * Reads the specified image and returns an IIOImage with this image,
+     * thumbnails, and metadata for this image, using the specified
+     * ImageReadParam.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param param
+     *            the ImageReadParam.
+     * @return the IIOImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public IIOImage readAll(int imageIndex, ImageReadParam param) throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Returns an Iterator of IIOImages from the input source.
+     * 
+     * @param params
+     *            the Iterator of ImageReadParam objects.
+     * @return the iterator of IIOImages.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public Iterator<IIOImage> readAll(Iterator<? extends ImageReadParam> params) throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Checks whether or not this plug-in supports reading a Raster.
+     * 
+     * @return true, if this plug-in supports reading a Raster, false otherwise.
+     */
+    public boolean canReadRaster() {
+        return false; // def
+    }
+
+    /**
+     * Reads a new Raster object which contains the raw pixel data from the
+     * image.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param param
+     *            the ImageReadParam.
+     * @return the Raster.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public Raster readRaster(int imageIndex, ImageReadParam param) throws IOException {
+        throw new UnsupportedOperationException("Unsupported");
+    }
+
+    /**
+     * Checks if the specified image has tiles or not.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return true, if the specified image has tiles, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean isImageTiled(int imageIndex) throws IOException {
+        return false; // def
+    }
+
+    /**
+     * Gets the tile width in the specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the tile width.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getTileWidth(int imageIndex) throws IOException {
+        return getWidth(imageIndex); // def
+    }
+
+    /**
+     * Gets the tile height in the specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the tile height.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getTileHeight(int imageIndex) throws IOException {
+        return getHeight(imageIndex); // def
+    }
+
+    /**
+     * Gets the X coordinate of the upper left corner of the tile grid in the
+     * specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the X coordinate of the upper left corner of the tile grid.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getTileGridXOffset(int imageIndex) throws IOException {
+        return 0; // def
+    }
+
+    /**
+     * Gets the Y coordinate of the upper left corner of the tile grid in the
+     * specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the Y coordinate of the upper left corner of the tile grid.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getTileGridYOffset(int imageIndex) throws IOException {
+        return 0; // def
+    }
+
+    /**
+     * Reads the tile specified by the tileX and tileY parameters of the
+     * specified image and returns it as a BufferedImage.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param tileX
+     *            the X index of tile.
+     * @param tileY
+     *            the Y index of tile.
+     * @return the BufferedImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public BufferedImage readTile(int imageIndex, int tileX, int tileY) throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Reads the tile specified by the tileX and tileY parameters of the
+     * specified image and returns it as a Raster.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param tileX
+     *            the X index of tile.
+     * @param tileY
+     *            the Y index of tile.
+     * @return the Raster.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public Raster readTileRaster(int imageIndex, int tileX, int tileY) throws IOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Reads the specified image using the specified ImageReadParam and returns
+     * it as a RenderedImage.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param param
+     *            the ImageReadParam.
+     * @return the RenderedImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public RenderedImage readAsRenderedImage(int imageIndex, ImageReadParam param)
+            throws IOException {
+        return read(imageIndex, param);
+    }
+
+    /**
+     * Returns true if the image format supported by this reader supports
+     * thumbnail preview images.
+     * 
+     * @return true, if the image format supported by this reader supports
+     *         thumbnail preview images, false otherwise.
+     */
+    public boolean readerSupportsThumbnails() {
+        return false; // def
+    }
+
+    /**
+     * Checks if the specified image has thumbnails or not.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return true, if the specified image has thumbnails, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean hasThumbnails(int imageIndex) throws IOException {
+        return getNumThumbnails(imageIndex) > 0; // def
+    }
+
+    /**
+     * Gets the number of thumbnails for the specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return the number of thumbnails.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getNumThumbnails(int imageIndex) throws IOException {
+        return 0; // def
+    }
+
+    /**
+     * Gets the width of the specified thumbnail for the specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @param thumbnailIndex
+     *            the thumbnail's index.
+     * @return the thumbnail width.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getThumbnailWidth(int imageIndex, int thumbnailIndex) throws IOException {
+        return readThumbnail(imageIndex, thumbnailIndex).getWidth(); // def
+    }
+
+    /**
+     * Gets the height of the specified thumbnail for the specified image.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @param thumbnailIndex
+     *            the thumbnail's index.
+     * @return the thumbnail height.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public int getThumbnailHeight(int imageIndex, int thumbnailIndex) throws IOException {
+        return readThumbnail(imageIndex, thumbnailIndex).getHeight(); // def
+    }
+
+    /**
+     * Reads the thumbnail image for the specified image as a BufferedImage.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param thumbnailIndex
+     *            the thumbnail index.
+     * @return the BufferedImage.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public BufferedImage readThumbnail(int imageIndex, int thumbnailIndex) throws IOException {
+        throw new UnsupportedOperationException("Unsupported"); // def
+    }
+
+    /**
+     * Requests an abort operation for current reading operation.
+     */
+    public void abort() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Checks whether or not a request to abort the current read operation has
+     * been made successfully.
+     * 
+     * @return true, if the request to abort the current read operation has been
+     *         made successfully, false otherwise.
+     */
+    protected boolean abortRequested() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Clears all previous abort request, and abortRequested returns false after
+     * calling this method.
+     */
+    protected void clearAbortRequest() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Adds the IIOReadWarningListener.
+     * 
+     * @param listener
+     *            the IIOReadWarningListener.
+     */
+    public void addIIOReadWarningListener(IIOReadWarningListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes the specified IIOReadWarningListener.
+     * 
+     * @param listener
+     *            the IIOReadWarningListener to be removed.
+     */
+    public void removeIIOReadWarningListener(IIOReadWarningListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes all registered IIOReadWarningListeners.
+     */
+    public void removeAllIIOReadWarningListeners() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Adds the IIOReadProgressListener.
+     * 
+     * @param listener
+     *            the IIOReadProgressListener.
+     */
+    public void addIIOReadProgressListener(IIOReadProgressListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes the specified IIOReadProgressListener.
+     * 
+     * @param listener
+     *            the IIOReadProgressListener to be removed.
+     */
+    public void removeIIOReadProgressListener(IIOReadProgressListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes registered IIOReadProgressListeners.
+     */
+    public void removeAllIIOReadProgressListeners() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Adds the IIOReadUpdateListener.
+     * 
+     * @param listener
+     *            the IIOReadUpdateListener.
+     */
+    public void addIIOReadUpdateListener(IIOReadUpdateListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes the specified IIOReadUpdateListener.
+     * 
+     * @param listener
+     *            the IIOReadUpdateListener to be removed.
+     */
+    public void removeIIOReadUpdateListener(IIOReadUpdateListener listener) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Removes registered IIOReadUpdateListeners.
+     */
+    public void removeAllIIOReadUpdateListeners() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the start of an sequence of image reads by calling the
+     * sequenceStarted method on all registered IIOReadProgressListeners.
+     * 
+     * @param minIndex
+     *            the minimum index.
+     */
+    protected void processSequenceStarted(int minIndex) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the completion of an sequence of image reads by calling
+     * sequenceComplete method on all registered IIOReadProgressListeners.
+     */
+    protected void processSequenceComplete() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the start of an image read by calling the imageStarted method
+     * on all registered IIOReadProgressListeners.
+     * 
+     * @param imageIndex
+     *            the image index.
+     */
+    protected void processImageStarted(int imageIndex) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the current percentage of image completion by calling the
+     * imageProgress method on all registered IIOReadProgressListeners.
+     * 
+     * @param percentageDone
+     *            the percentage done.
+     */
+    protected void processImageProgress(float percentageDone) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes image completion by calling the imageComplete method on all
+     * registered IIOReadProgressListeners.
+     */
+    protected void processImageComplete() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the start of a thumbnail read by calling the thumbnailStarted
+     * method on all registered IIOReadProgressListeners.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param thumbnailIndex
+     *            the thumbnail index.
+     */
+    protected void processThumbnailStarted(int imageIndex, int thumbnailIndex) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the current percentage of thumbnail completion by calling the
+     * thumbnailProgress method on all registered IIOReadProgressListeners.
+     * 
+     * @param percentageDone
+     *            the percentage done.
+     */
+    protected void processThumbnailProgress(float percentageDone) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the completion of a thumbnail read by calling the
+     * thumbnailComplete method on all registered IIOReadProgressListeners.
+     */
+    protected void processThumbnailComplete() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes a read aborted event by calling the readAborted method on all
+     * registered IIOReadProgressListeners.
+     */
+    protected void processReadAborted() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the beginning of a progressive pass by calling the passStarted
+     * method on all registered IIOReadUpdateListeners.
+     * 
+     * @param theImage
+     *            the image to be updated.
+     * @param pass
+     *            the current pass index.
+     * @param minPass
+     *            the minimum pass index.
+     * @param maxPass
+     *            the maximum pass index.
+     * @param minX
+     *            the X coordinate of of the upper left pixel.
+     * @param minY
+     *            the Y coordinate of of the upper left pixel.
+     * @param periodX
+     *            the horizontal separation between pixels.
+     * @param periodY
+     *            the vertical separation between pixels.
+     * @param bands
+     *            the number of affected bands.
+     */
+    protected void processPassStarted(BufferedImage theImage, int pass, int minPass, int maxPass,
+            int minX, int minY, int periodX, int periodY, int[] bands) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the update of a set of samples by calling the imageUpdate
+     * method on all registered IIOReadUpdateListeners.
+     * 
+     * @param theImage
+     *            the image to be updated.
+     * @param minX
+     *            the X coordinate of the upper left pixel.
+     * @param minY
+     *            the Y coordinate of the upper left pixel.
+     * @param width
+     *            the width of updated area.
+     * @param height
+     *            the height of updated area.
+     * @param periodX
+     *            the horizontal separation between pixels.
+     * @param periodY
+     *            the vertical separation between pixels.
+     * @param bands
+     *            the number of affected bands.
+     */
+    protected void processImageUpdate(BufferedImage theImage, int minX, int minY, int width,
+            int height, int periodX, int periodY, int[] bands) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the end of a progressive pass by calling passComplete method of
+     * registered IIOReadUpdateListeners.
+     * 
+     * @param theImage
+     *            the image to be updated.
+     */
+    protected void processPassComplete(BufferedImage theImage) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the beginning of a thumbnail progressive pass by calling the
+     * thumbnailPassStarted method on all registered IIOReadUpdateListeners.
+     * 
+     * @param theThumbnail
+     *            the thumbnail to be updated.
+     * @param pass
+     *            the current pass index.
+     * @param minPass
+     *            the minimum pass index.
+     * @param maxPass
+     *            the maximum pass index.
+     * @param minX
+     *            the X coordinate of the upper left pixel.
+     * @param minY
+     *            the Y coordinate of the upper left pixel.
+     * @param periodX
+     *            the horizontal separation between pixels.
+     * @param periodY
+     *            the vertical separation between pixels.
+     * @param bands
+     *            the number of affected bands.
+     */
+    protected void processThumbnailPassStarted(BufferedImage theThumbnail, int pass, int minPass,
+            int maxPass, int minX, int minY, int periodX, int periodY, int[] bands) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the update of a set of samples in a thumbnail image by calling
+     * the thumbnailUpdate method on all registered IIOReadUpdateListeners.
+     * 
+     * @param theThumbnail
+     *            the thumbnail to be updated.
+     * @param minX
+     *            the X coordinate of the upper left pixel.
+     * @param minY
+     *            the Y coordinate of the upper left pixel.
+     * @param width
+     *            the total width of the updated area.
+     * @param height
+     *            the total height of the updated area.
+     * @param periodX
+     *            the horizontal separation between pixels.
+     * @param periodY
+     *            the vertical separation between pixels.
+     * @param bands
+     *            the number of affected bands.
+     */
+    protected void processThumbnailUpdate(BufferedImage theThumbnail, int minX, int minY,
+            int width, int height, int periodX, int periodY, int[] bands) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes the end of a thumbnail progressive pass by calling the
+     * thumbnailPassComplete method on all registered IIOReadUpdateListeners.
+     * 
+     * @param theThumbnail
+     *            the thumbnail to be updated.
+     */
+    protected void processThumbnailPassComplete(BufferedImage theThumbnail) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes a warning message by calling warningOccurred method of
+     * registered IIOReadWarningListeners.
+     * 
+     * @param warning
+     *            the warning.
+     */
+    protected void processWarningOccurred(String warning) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Processes a warning by calling the warningOccurred method of on all
+     * registered IIOReadWarningListeners.
+     * 
+     * @param baseName
+     *            the base name of ResourceBundles.
+     * @param keyword
+     *            the keyword to index the warning among ResourceBundles.
+     */
+    protected void processWarningOccurred(String baseName, String keyword) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Resets this ImageReader.
+     */
+    public void reset() {
+        // def
+        setInput(null, false);
+        setLocale(null);
+        removeAllIIOReadUpdateListeners();
+        removeAllIIOReadWarningListeners();
+        removeAllIIOReadProgressListeners();
+        clearAbortRequest();
+    }
+
+    /**
+     * Disposes of any resources.
+     */
+    public void dispose() {
+        // do nothing by def
+    }
+
+    /**
+     * Gets the region of source image that should be read with the specified
+     * width, height and ImageReadParam.
+     * 
+     * @param param
+     *            the ImageReadParam object, or null.
+     * @param srcWidth
+     *            the source image's width.
+     * @param srcHeight
+     *            the source image's height.
+     * @return the Rectangle of source region.
+     */
+    protected static Rectangle getSourceRegion(ImageReadParam param, int srcWidth, int srcHeight) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Computes the specified source region and the specified destination region
+     * with the specified the width and height of the source image, an optional
+     * destination image, and an ImageReadParam.
+     * 
+     * @param param
+     *            the an ImageReadParam object, or null.
+     * @param srcWidth
+     *            the source image's width.
+     * @param srcHeight
+     *            the source image's height.
+     * @param image
+     *            the destination image.
+     * @param srcRegion
+     *            the source region.
+     * @param destRegion
+     *            the destination region.
+     */
+    protected static void computeRegions(ImageReadParam param, int srcWidth, int srcHeight,
+            BufferedImage image, Rectangle srcRegion, Rectangle destRegion) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Checks the validity of the source and destination band and is called when
+     * the reader knows the number of bands of the source image and the number
+     * of bands of the destination image.
+     * 
+     * @param param
+     *            the ImageReadParam for reading the Image.
+     * @param numSrcBands
+     *            the number of bands in the source.
+     * @param numDstBands
+     *            the number of bands in the destination.
+     */
+    protected static void checkReadParamBandSettings(ImageReadParam param, int numSrcBands,
+            int numDstBands) {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Gets the destination image where the decoded data is written.
+     * 
+     * @param param
+     *            the ImageReadParam.
+     * @param imageTypes
+     *            the iterator of ImageTypeSpecifier objects.
+     * @param width
+     *            the width of the image being decoded.
+     * @param height
+     *            the height of the image being decoded.
+     * @return the BufferedImage where decoded pixels should be written.
+     * @throws IIOException
+     *             the IIOException is thrown if there is no suitable
+     *             ImageTypeSpecifier.
+     */
+    protected static BufferedImage getDestination(ImageReadParam param,
+            Iterator<ImageTypeSpecifier> imageTypes, int width, int height) throws IIOException {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+}
diff --git a/awt/javax/imageio/ImageTranscoder.java b/awt/javax/imageio/ImageTranscoder.java
new file mode 100644
index 0000000..632d890
--- /dev/null
+++ b/awt/javax/imageio/ImageTranscoder.java
@@ -0,0 +1,67 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import javax.imageio.metadata.IIOMetadata;
+import javax.imageio.ImageTypeSpecifier;
+
+/**
+ * The ImageTranscoder interface is to be implemented by classes that perform
+ * image transcoding operations, that is, take images written in one format and
+ * write them in another format using read/write operations. Some image data can
+ * be lost in such processes. The ImageTranscoder interface converts metadata
+ * objects (IIOMetadata) of ImageReader to appropriate metadata object for
+ * ImageWriter.
+ * 
+ * @since Android 1.0
+ */
+public interface ImageTranscoder {
+
+    /**
+     * Converts the specified IIOMetadata object using the specified
+     * ImageWriteParam for obtaining writer's metadata structure.
+     * 
+     * @param inData
+     *            the IIOMetadata.
+     * @param param
+     *            the ImageWriteParam.
+     * @return the IIOMetadata, or null.
+     */
+    IIOMetadata convertStreamMetadata(IIOMetadata inData, ImageWriteParam param);
+
+    /**
+     * Converts the specified IIOMetadata object using the specified
+     * ImageWriteParam for obtaining writer's metadata structure and
+     * ImageTypeSpecifier object for obtaining the layout and color information
+     * of the image for this metadata.
+     * 
+     * @param inData
+     *            the IIOMetadata.
+     * @param imageType
+     *            the ImageTypeSpecifier.
+     * @param param
+     *            the ImageWriteParam.
+     * @return the IIOMetadata, or null.
+     */
+    IIOMetadata convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType,
+            ImageWriteParam param);
+}
diff --git a/awt/javax/imageio/ImageTypeSpecifier.java b/awt/javax/imageio/ImageTypeSpecifier.java
new file mode 100644
index 0000000..505b1c4
--- /dev/null
+++ b/awt/javax/imageio/ImageTypeSpecifier.java
@@ -0,0 +1,347 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import java.awt.image.ColorModel;
+import java.awt.image.SampleModel;
+import java.awt.image.BufferedImage;
+import java.awt.image.RenderedImage;
+import java.awt.color.ColorSpace;
+
+/**
+ * The ImageTypeSpecifier class performs conversion operations on the
+ * SampleModel and the ColorModel of an image.
+ * 
+ * @since Android 1.0
+ */
+public class ImageTypeSpecifier {
+
+    /**
+     * The ColorModel of this ImageTypeSpecifier.
+     */
+    protected ColorModel colorModel;
+
+    /**
+     * The SampleModel of this ImageTypeSpecifier.
+     */
+    protected SampleModel sampleModel;
+
+    /**
+     * Instantiates a new ImageTypeSpecifier with the specified ColorModel and
+     * SampleModel objects.
+     * 
+     * @param colorModel
+     *            the ColorModel.
+     * @param sampleModel
+     *            the SampleModel.
+     */
+    public ImageTypeSpecifier(ColorModel colorModel, SampleModel sampleModel) {
+        if (colorModel == null) {
+            throw new IllegalArgumentException("color model should not be NULL");
+        }
+        if (sampleModel == null) {
+            throw new IllegalArgumentException("sample model should not be NULL");
+        }
+        if (!colorModel.isCompatibleSampleModel(sampleModel)) {
+            throw new IllegalArgumentException("color and sample models are not compatible");
+        }
+
+        this.colorModel = colorModel;
+        this.sampleModel = sampleModel;
+    }
+
+    /**
+     * Instantiates a new ImageTypeSpecifier using the specified RenderedImage.
+     * 
+     * @param renderedImage
+     *            the RenderedImage.
+     */
+    public ImageTypeSpecifier(RenderedImage renderedImage) {
+        if (renderedImage == null) {
+            throw new IllegalArgumentException("image should not be NULL");
+        }
+        this.colorModel = renderedImage.getColorModel();
+        this.sampleModel = renderedImage.getSampleModel();
+    }
+
+    /**
+     * Creates an ImageTypeSpecifier with the specified DirectColorModel and a
+     * packed SampleModel.
+     * 
+     * @param colorSpace
+     *            the ColorSpace.
+     * @param redMask
+     *            the red mask.
+     * @param greenMask
+     *            the green mask.
+     * @param blueMask
+     *            the blue mask.
+     * @param alphaMask
+     *            the alpha mask.
+     * @param transferType
+     *            the transfer type.
+     * @param isAlphaPremultiplied
+     *            the parameter indicates if the color channel is pre-multiplied
+     *            by alpha.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createPacked(ColorSpace colorSpace, int redMask,
+            int greenMask, int blueMask, int alphaMask, int transferType,
+            boolean isAlphaPremultiplied) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates an ImageTypeSpecifier with specified ComponentColorModel and a
+     * PixelInterleavedSampleModel.
+     * 
+     * @param colorSpace
+     *            the ColorSpace.
+     * @param bandOffsets
+     *            the band offsets.
+     * @param dataType
+     *            the data type.
+     * @param hasAlpha
+     *            the parameter indicates if alpha channel is needed.
+     * @param isAlphaPremultiplied
+     *            the parameter indicates if the color channel is pre-multiplied
+     *            by alpha.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createInterleaved(ColorSpace colorSpace, int[] bandOffsets,
+            int dataType, boolean hasAlpha, boolean isAlphaPremultiplied) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates a ImageTypeSpecifier for a image with a BandedSampleModel and a
+     * ComponentColorModel.
+     * 
+     * @param colorSpace
+     *            the ColorSpace.
+     * @param bankIndices
+     *            the bank indices.
+     * @param bandOffsets
+     *            the band offsets.
+     * @param dataType
+     *            the data type.
+     * @param hasAlpha
+     *            the parameter indicates a presence of alpha channel.
+     * @param isAlphaPremultiplied
+     *            the parameter indicates whether or not color channel is alpha
+     *            pre-multiplied.
+     * @return the image type specifier
+     */
+    public static ImageTypeSpecifier createBanded(ColorSpace colorSpace, int[] bankIndices,
+            int[] bandOffsets, int dataType, boolean hasAlpha, boolean isAlphaPremultiplied) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates a ImageTypeSpecifier for a grayscale image.
+     * 
+     * @param bits
+     *            the number of bits per gray value.
+     * @param dataType
+     *            the data type.
+     * @param isSigned
+     *            a signed flag.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createGrayscale(int bits, int dataType, boolean isSigned) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates a ImageTypeSpecifier for a grayscale image.
+     * 
+     * @param bits
+     *            the number of bits per gray value.
+     * @param dataType
+     *            the data type.
+     * @param isSigned
+     *            a signed flag.
+     * @param isAlphaPremultiplied
+     *            the parameter indicates if color channel is pre-multiplied by
+     *            alpha, or not.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createGrayscale(int bits, int dataType, boolean isSigned,
+            boolean isAlphaPremultiplied) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates a ImageTypeSpecifier with the indexed image format.
+     * 
+     * @param redLUT
+     *            the red values of indices.
+     * @param greenLUT
+     *            the green values of indices.
+     * @param blueLUT
+     *            the blue values of indices.
+     * @param alphaLUT
+     *            the alpha values of indices.
+     * @param bits
+     *            the bits number for each index.
+     * @param dataType
+     *            the data type.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createIndexed(byte[] redLUT, byte[] greenLUT, byte[] blueLUT,
+            byte[] alphaLUT, int bits, int dataType) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates the ImageTypeSpecifier from the specified buffered image type.
+     * 
+     * @param bufferedImageType
+     *            the buffered image type.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createFromBufferedImageType(int bufferedImageType) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Creates the ImageTypeSpecifier from the specified RenderedImage.
+     * 
+     * @param image
+     *            the RenderedImage.
+     * @return the ImageTypeSpecifier.
+     */
+    public static ImageTypeSpecifier createFromRenderedImage(RenderedImage image) {
+        if (null == image) {
+            throw new IllegalArgumentException("image should not be NULL");
+        }
+        return new ImageTypeSpecifier(image);
+    }
+
+    /**
+     * Gets the BufferedImage type.
+     * 
+     * @return the BufferedImage type.
+     */
+    public int getBufferedImageType() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the number of components.
+     * 
+     * @return the number of components.
+     */
+    public int getNumComponents() {
+        return colorModel.getNumComponents();
+    }
+
+    /**
+     * Gets the number of bands.
+     * 
+     * @return the number of bands.
+     */
+    public int getNumBands() {
+        return sampleModel.getNumBands();
+    }
+
+    /**
+     * Gets the number of bits per the specified band.
+     * 
+     * @param band
+     *            the index of band.
+     * @return the number of bits per the specified band.
+     */
+    public int getBitsPerBand(int band) {
+        if (band < 0 || band >= getNumBands()) {
+            throw new IllegalArgumentException();
+        }
+        return sampleModel.getSampleSize(band);
+    }
+
+    /**
+     * Gets the SampleModel associated with this ImageTypeSpecifier.
+     * 
+     * @return the SampleModel associated with this ImageTypeSpecifier.
+     */
+    public SampleModel getSampleModel() {
+        return sampleModel;
+    }
+
+    /**
+     * Gets a compatible SampleModel with the specified width and height.
+     * 
+     * @param width
+     *            the width.
+     * @param height
+     *            the height.
+     * @return the SampleModel.
+     */
+    public SampleModel getSampleModel(int width, int height) {
+        if ((long)width * height > Integer.MAX_VALUE) {
+            throw new IllegalArgumentException("width * height > Integer.MAX_VALUE");
+        }
+        return sampleModel.createCompatibleSampleModel(width, height);
+    }
+
+    /**
+     * Gets the ColorModel associated with this ImageTypeSpecifier.
+     * 
+     * @return the ColorModel associated with this ImageTypeSpecifier.
+     */
+    public ColorModel getColorModel() {
+        return colorModel;
+    }
+
+    /**
+     * Creates the BufferedImage with the specified width and height and the
+     * ColorMadel and SampleModel which are specified by this
+     * ImageTypeSpecifier.
+     * 
+     * @param width
+     *            the width of the BufferedImage.
+     * @param height
+     *            the height of the BufferedImage.
+     * @return the BufferedImage.
+     */
+    public BufferedImage createBufferedImage(int width, int height) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Compares this ImageTypeSpecifier object with the specified object.
+     * 
+     * @param o
+     *            the Object to be compared.
+     * @return true, if the object is an ImageTypeSpecifier with the same data
+     *         as this ImageTypeSpecifier, false otherwise.
+     */
+    @Override
+    public boolean equals(Object o) {
+        boolean rt = false;
+        if (o instanceof ImageTypeSpecifier) {
+            ImageTypeSpecifier ts = (ImageTypeSpecifier)o;
+            rt = colorModel.equals(ts.colorModel) && sampleModel.equals(ts.sampleModel);
+        }
+        return rt;
+    }
+}
\ No newline at end of file
diff --git a/awt/javax/imageio/ImageWriteParam.java b/awt/javax/imageio/ImageWriteParam.java
new file mode 100644
index 0000000..d661889
--- /dev/null
+++ b/awt/javax/imageio/ImageWriteParam.java
@@ -0,0 +1,664 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import java.util.Locale;
+import java.awt.*;
+
+/**
+ * The ImageWriteParam class provides information to an ImageWriter about how an
+ * image is to be encoded.
+ * 
+ * @since Android 1.0
+ */
+public class ImageWriteParam extends IIOParam {
+
+    /**
+     * The Constant MODE_DISABLED indicates that stream is not tiled,
+     * progressive, or compressed.
+     */
+    public static final int MODE_DISABLED = 0;
+
+    /**
+     * The Constant MODE_DEFAULT indicates that the stream will be tiled,
+     * progressive, or compressed according to the plug-in's default.
+     */
+    public static final int MODE_DEFAULT = 1;
+
+    /**
+     * The Constant MODE_EXPLICIT indicates that the stream will be tiled,
+     * progressive, or compressed according to current settings which are
+     * defined by set methods.
+     */
+    public static final int MODE_EXPLICIT = 2;
+
+    /**
+     * The Constant MODE_COPY_FROM_METADATA indicates that the stream will be
+     * tiled, progressive, or compressed according to stream or image metadata.
+     */
+    public static final int MODE_COPY_FROM_METADATA = 3;
+
+    /**
+     * Whether the ImageWriter can write tiles.
+     */
+    protected boolean canWriteTiles = false;
+
+    /**
+     * The tiling mode.
+     */
+    protected int tilingMode = MODE_COPY_FROM_METADATA;
+
+    /**
+     * The preferred tile sizes.
+     */
+    protected Dimension[] preferredTileSizes = null;
+
+    /**
+     * The tiling set.
+     */
+    protected boolean tilingSet = false;
+
+    /**
+     * The tile width.
+     */
+    protected int tileWidth = 0;
+
+    /**
+     * The tile height.
+     */
+    protected int tileHeight = 0;
+
+    /**
+     * Whether the ImageWriter can offset tiles.
+     */
+    protected boolean canOffsetTiles = false;
+
+    /**
+     * The tile grid x offset.
+     */
+    protected int tileGridXOffset = 0;
+
+    /**
+     * The tile grid y offset.
+     */
+    protected int tileGridYOffset = 0;
+
+    /**
+     * Whether the ImageWriter can write in progressive mode.
+     */
+    protected boolean canWriteProgressive = false;
+
+    /**
+     * The progressive mode.
+     */
+    protected int progressiveMode = MODE_COPY_FROM_METADATA;
+
+    /**
+     * Whether the ImageWriter can write in compressed mode.
+     */
+    protected boolean canWriteCompressed = false;
+
+    /**
+     * The compression mode.
+     */
+    protected int compressionMode = MODE_COPY_FROM_METADATA;
+
+    /**
+     * The compression types.
+     */
+    protected String[] compressionTypes = null;
+
+    /**
+     * The compression type.
+     */
+    protected String compressionType = null;
+
+    /**
+     * The compression quality.
+     */
+    protected float compressionQuality = 1.0f;
+
+    /**
+     * The locale.
+     */
+    protected Locale locale = null;
+
+    /**
+     * Instantiates a new ImageWriteParam.
+     */
+    protected ImageWriteParam() {
+    }
+
+    /**
+     * Instantiates a new ImageWriteParam with the specified Locale.
+     * 
+     * @param locale
+     *            the Locale.
+     */
+    public ImageWriteParam(Locale locale) {
+        this.locale = locale;
+
+    }
+
+    /**
+     * Gets the mode for writing the stream in a progressive sequence.
+     * 
+     * @return the current progressive mode.
+     */
+    public int getProgressiveMode() {
+        if (canWriteProgressive()) {
+            return progressiveMode;
+        }
+        throw new UnsupportedOperationException("progressive mode is not supported");
+    }
+
+    /**
+     * Returns true if images can be written using increasing quality passes by
+     * progressive.
+     * 
+     * @return true if images can be written using increasing quality passes by
+     *         progressive, false otherwise.
+     */
+    public boolean canWriteProgressive() {
+        return canWriteProgressive;
+    }
+
+    /**
+     * Sets the progressive mode which defines whether the stream contains a
+     * progressive sequence of increasing quality during writing. The
+     * progressive mode should be one of the following values: MODE_DISABLED,
+     * MODE_DEFAULT, or MODE_COPY_FROM_METADATA.
+     * 
+     * @param mode
+     *            the new progressive mode.
+     */
+    public void setProgressiveMode(int mode) {
+        if (canWriteProgressive()) {
+            if (mode < MODE_DISABLED || mode > MODE_COPY_FROM_METADATA || mode == MODE_EXPLICIT) {
+                throw new IllegalArgumentException("mode is not supported");
+            }
+            this.progressiveMode = mode;
+        }
+        throw new UnsupportedOperationException("progressive mode is not supported");
+    }
+
+    /**
+     * Returns true if the writer can use tiles with non zero grid offsets while
+     * writing.
+     * 
+     * @return true, if the writer can use tiles with non zero grid offsets
+     *         while writing, false otherwise.
+     */
+    public boolean canOffsetTiles() {
+        return canOffsetTiles;
+    }
+
+    /**
+     * Returns true if this writer can write images with compression.
+     * 
+     * @return true, if this writer can write images with compression, false
+     *         otherwise.
+     */
+    public boolean canWriteCompressed() {
+        return canWriteCompressed;
+    }
+
+    /**
+     * Returns true if the writer can write tiles.
+     * 
+     * @return true, if the writer can write tiles, false otherwise.
+     */
+    public boolean canWriteTiles() {
+        return canWriteTiles;
+    }
+
+    /**
+     * Check write compressed.
+     */
+    private final void checkWriteCompressed() {
+        if (!canWriteCompressed()) {
+            throw new UnsupportedOperationException("Compression not supported.");
+        }
+    }
+
+    /**
+     * Check compression mode.
+     */
+    private final void checkCompressionMode() {
+        if (getCompressionMode() != MODE_EXPLICIT) {
+            throw new IllegalStateException("Compression mode not MODE_EXPLICIT!");
+        }
+    }
+
+    /**
+     * Check compression type.
+     */
+    private final void checkCompressionType() {
+        if (getCompressionTypes() != null && getCompressionType() == null) {
+            throw new IllegalStateException("No compression type set!");
+        }
+    }
+
+    /**
+     * Gets the compression mode.
+     * 
+     * @return the compression mode if it's supported.
+     */
+    public int getCompressionMode() {
+        checkWriteCompressed();
+        return compressionMode;
+    }
+
+    /**
+     * Gets the an array of supported compression types.
+     * 
+     * @return the an array of supported compression types.
+     */
+    public String[] getCompressionTypes() {
+        checkWriteCompressed();
+        if (compressionTypes != null) {
+            return compressionTypes.clone();
+        }
+        return null;
+    }
+
+    /**
+     * Gets the current compression type, or returns null.
+     * 
+     * @return the current compression type, or returns null if it is not set.
+     */
+    public String getCompressionType() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        return compressionType;
+    }
+
+    /**
+     * Gets a bit rate which represents an estimate of the number of bits of
+     * output data for each bit of input image data with the specified quality.
+     * 
+     * @param quality
+     *            the quality.
+     * @return an estimate of the bit rate, or -1.0F if there is no estimate.
+     */
+    public float getBitRate(float quality) {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        if (quality < 0 || quality > 1) {
+            throw new IllegalArgumentException("Quality out-of-bounds!");
+        }
+        return -1.0f;
+    }
+
+    /**
+     * Gets the compression quality.
+     * 
+     * @return the compression quality.
+     */
+    public float getCompressionQuality() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        return compressionQuality;
+    }
+
+    /**
+     * Gets the array of compression quality descriptions.
+     * 
+     * @return the string array of compression quality descriptions.
+     */
+    public String[] getCompressionQualityDescriptions() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        return null;
+    }
+
+    /**
+     * Gets an array of floats which describes compression quality levels.
+     * 
+     * @return the array of compression quality values.
+     */
+    public float[] getCompressionQualityValues() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        return null;
+    }
+
+    /**
+     * Gets the locale of this ImageWriteParam.
+     * 
+     * @return the locale of this ImageWriteParam.
+     */
+    public Locale getLocale() {
+        return locale;
+    }
+
+    /**
+     * Gets the current compression type using the current Locale.
+     * 
+     * @return the current compression type using the current Locale.
+     */
+    public String getLocalizedCompressionTypeName() {
+        checkWriteCompressed();
+        checkCompressionMode();
+
+        String compressionType = getCompressionType();
+        if (compressionType == null) {
+            throw new IllegalStateException("No compression type set!");
+        }
+        return compressionType;
+
+    }
+
+    /**
+     * Check tiling.
+     */
+    private final void checkTiling() {
+        if (!canWriteTiles()) {
+            throw new UnsupportedOperationException("Tiling not supported!");
+        }
+    }
+
+    /**
+     * Check tiling mode.
+     */
+    private final void checkTilingMode() {
+        if (getTilingMode() != MODE_EXPLICIT) {
+            throw new IllegalStateException("Tiling mode not MODE_EXPLICIT!");
+        }
+    }
+
+    /**
+     * Check tiling params.
+     */
+    private final void checkTilingParams() {
+        if (!tilingSet) {
+            throw new IllegalStateException("Tiling parameters not set!");
+        }
+    }
+
+    /**
+     * Gets the tiling mode if tiling is supported.
+     * 
+     * @return the tiling mode if tiling is supported.
+     */
+    public int getTilingMode() {
+        checkTiling();
+        return tilingMode;
+    }
+
+    /**
+     * Gets an array of Dimensions giving the sizes of the tiles as they are
+     * encoded in the output file or stream.
+     * 
+     * @return the preferred tile sizes.
+     */
+    public Dimension[] getPreferredTileSizes() {
+        checkTiling();
+        if (preferredTileSizes == null) {
+            return null;
+        }
+
+        Dimension[] retval = new Dimension[preferredTileSizes.length];
+        for (int i = 0; i < preferredTileSizes.length; i++) {
+            retval[i] = new Dimension(retval[i]);
+        }
+        return retval;
+    }
+
+    /**
+     * Gets the tile grid X offset for encoding.
+     * 
+     * @return the tile grid X offset for encoding.
+     */
+    public int getTileGridXOffset() {
+        checkTiling();
+        checkTilingMode();
+        checkTilingParams();
+        return tileGridXOffset;
+    }
+
+    /**
+     * Gets the tile grid Y offset for encoding.
+     * 
+     * @return the tile grid Y offset for encoding.
+     */
+    public int getTileGridYOffset() {
+        checkTiling();
+        checkTilingMode();
+        checkTilingParams();
+        return tileGridYOffset;
+    }
+
+    /**
+     * Gets the tile height in an image as it is written to the output stream.
+     * 
+     * @return the tile height in an image as it is written to the output
+     *         stream.
+     */
+    public int getTileHeight() {
+        checkTiling();
+        checkTilingMode();
+        checkTilingParams();
+        return tileHeight;
+    }
+
+    /**
+     * Gets the tile width in an image as it is written to the output stream.
+     * 
+     * @return the tile width in an image as it is written to the output stream.
+     */
+    public int getTileWidth() {
+        checkTiling();
+        checkTilingMode();
+        checkTilingParams();
+        return tileWidth;
+    }
+
+    /**
+     * Checks if the current compression type has lossless compression or not.
+     * 
+     * @return true, if the current compression type has lossless compression,
+     *         false otherwise.
+     */
+    public boolean isCompressionLossless() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        return true;
+    }
+
+    /**
+     * Removes current compression type.
+     */
+    public void unsetCompression() {
+        checkWriteCompressed();
+        checkCompressionMode();
+        compressionType = null;
+        compressionQuality = 1;
+    }
+
+    /**
+     * Sets the compression mode to the specified value. The specified mode can
+     * be one of the predefined constants: MODE_DEFAULT, MODE_DISABLED,
+     * MODE_EXPLICIT, or MODE_COPY_FROM_METADATA.
+     * 
+     * @param mode
+     *            the new compression mode to be set.
+     */
+    public void setCompressionMode(int mode) {
+        checkWriteCompressed();
+        switch (mode) {
+            case MODE_EXPLICIT: {
+                compressionMode = mode;
+                unsetCompression();
+                break;
+            }
+            case MODE_COPY_FROM_METADATA:
+            case MODE_DISABLED:
+            case MODE_DEFAULT: {
+                compressionMode = mode;
+                break;
+            }
+            default: {
+                throw new IllegalArgumentException("Illegal value for mode!");
+            }
+        }
+    }
+
+    /**
+     * Sets the compression quality. The value should be between 0 and 1.
+     * 
+     * @param quality
+     *            the new compression quality, float value between 0 and 1.
+     */
+    public void setCompressionQuality(float quality) {
+        checkWriteCompressed();
+        checkCompressionMode();
+        checkCompressionType();
+        if (quality < 0 || quality > 1) {
+            throw new IllegalArgumentException("Quality out-of-bounds!");
+        }
+        compressionQuality = quality;
+    }
+
+    /**
+     * Sets the compression type. The specified string should be one of the
+     * values returned by getCompressionTypes method.
+     * 
+     * @param compressionType
+     *            the new compression type.
+     */
+    public void setCompressionType(String compressionType) {
+        checkWriteCompressed();
+        checkCompressionMode();
+
+        if (compressionType == null) { // Don't check anything
+            this.compressionType = null;
+        } else {
+            String[] compressionTypes = getCompressionTypes();
+            if (compressionTypes == null) {
+                throw new UnsupportedOperationException("No settable compression types");
+            }
+
+            for (int i = 0; i < compressionTypes.length; i++) {
+                if (compressionTypes[i].equals(compressionType)) {
+                    this.compressionType = compressionType;
+                    return;
+                }
+            }
+
+            // Compression type is not in the list.
+            throw new IllegalArgumentException("Unknown compression type!");
+        }
+    }
+
+    /**
+     * Sets the instruction that tiling should be performed for the image in the
+     * output stream with the specified parameters.
+     * 
+     * @param tileWidth
+     *            the tile's width.
+     * @param tileHeight
+     *            the tile's height.
+     * @param tileGridXOffset
+     *            the tile grid's x offset.
+     * @param tileGridYOffset
+     *            the tile grid's y offset.
+     */
+    public void setTiling(int tileWidth, int tileHeight, int tileGridXOffset, int tileGridYOffset) {
+        checkTiling();
+        checkTilingMode();
+
+        if (!canOffsetTiles() && (tileGridXOffset != 0 || tileGridYOffset != 0)) {
+            throw new UnsupportedOperationException("Can't offset tiles!");
+        }
+
+        if (tileWidth <= 0 || tileHeight <= 0) {
+            throw new IllegalArgumentException("tile dimensions are non-positive!");
+        }
+
+        Dimension preferredTileSizes[] = getPreferredTileSizes();
+        if (preferredTileSizes != null) {
+            for (int i = 0; i < preferredTileSizes.length; i += 2) {
+                Dimension minSize = preferredTileSizes[i];
+                Dimension maxSize = preferredTileSizes[i + 1];
+                if (tileWidth < minSize.width || tileWidth > maxSize.width
+                        || tileHeight < minSize.height || tileHeight > maxSize.height) {
+                    throw new IllegalArgumentException("Illegal tile size!");
+                }
+            }
+        }
+
+        tilingSet = true;
+        this.tileWidth = tileWidth;
+        this.tileHeight = tileHeight;
+        this.tileGridXOffset = tileGridXOffset;
+        this.tileGridYOffset = tileGridYOffset;
+    }
+
+    /**
+     * Clears all tiling settings.
+     */
+    public void unsetTiling() {
+        checkTiling();
+        checkTilingMode();
+
+        tilingSet = false;
+        tileWidth = 0;
+        tileHeight = 0;
+        tileGridXOffset = 0;
+        tileGridYOffset = 0;
+    }
+
+    /**
+     * Sets the tiling mode. The specified mode should be one of the following
+     * values: MODE_DISABLED, MODE_DEFAULT, MODE_EXPLICIT, or
+     * MODE_COPY_FROM_METADATA.
+     * 
+     * @param mode
+     *            the new tiling mode.
+     */
+    public void setTilingMode(int mode) {
+        checkTiling();
+
+        switch (mode) {
+            case MODE_EXPLICIT: {
+                tilingMode = mode;
+                unsetTiling();
+                break;
+            }
+            case MODE_COPY_FROM_METADATA:
+            case MODE_DISABLED:
+            case MODE_DEFAULT: {
+                tilingMode = mode;
+                break;
+            }
+            default: {
+                throw new IllegalArgumentException("Illegal value for mode!");
+            }
+        }
+    }
+}
diff --git a/awt/javax/imageio/ImageWriter.java b/awt/javax/imageio/ImageWriter.java
new file mode 100644
index 0000000..86879e0
--- /dev/null
+++ b/awt/javax/imageio/ImageWriter.java
@@ -0,0 +1,1001 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio;
+
+import java.awt.Dimension;
+import java.awt.Rectangle;
+import java.awt.image.BufferedImage;
+import java.awt.image.Raster;
+import java.awt.image.RenderedImage;
+import java.io.IOException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import javax.imageio.event.IIOWriteProgressListener;
+import javax.imageio.event.IIOWriteWarningListener;
+import javax.imageio.metadata.IIOMetadata;
+import javax.imageio.spi.ImageWriterSpi;
+
+/**
+ * The ImageWriter class is an abstract class for encoding images. ImageWriter
+ * objects are instantiated by the service provider interface, ImageWriterSpi
+ * class, for the specific format. ImageWriterSpi class should be registered
+ * with the IIORegistry, which uses them for format recognition and presentation
+ * of available format readers and writers.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageWriter implements ImageTranscoder {
+
+    /**
+     * The available locales.
+     */
+    protected Locale[] availableLocales;
+
+    /**
+     * The locale.
+     */
+    protected Locale locale;
+
+    /**
+     * The originating provider.
+     */
+    protected ImageWriterSpi originatingProvider;
+
+    /**
+     * The output.
+     */
+    protected Object output;
+
+    /**
+     * The progress listeners.
+     */
+    protected List<IIOWriteProgressListener> progressListeners;
+
+    /**
+     * The warning listeners.
+     */
+    protected List<IIOWriteWarningListener> warningListeners;
+
+    /**
+     * The warning locales.
+     */
+    protected List<Locale> warningLocales;
+
+    // Indicates that abort operation is requested
+    // Abort mechanism should be thread-safe
+    /** The aborted. */
+    private boolean aborted;
+
+    /**
+     * Instantiates a new ImageWriter.
+     * 
+     * @param originatingProvider
+     *            the ImageWriterSpi which instantiates this ImageWriter.
+     */
+    protected ImageWriter(ImageWriterSpi originatingProvider) {
+        this.originatingProvider = originatingProvider;
+    }
+
+    public abstract IIOMetadata convertStreamMetadata(IIOMetadata iioMetadata,
+            ImageWriteParam imageWriteParam);
+
+    public abstract IIOMetadata convertImageMetadata(IIOMetadata iioMetadata,
+            ImageTypeSpecifier imageTypeSpecifier, ImageWriteParam imageWriteParam);
+
+    /**
+     * Gets the ImageWriterSpi which instantiated this ImageWriter.
+     * 
+     * @return the ImageWriterSpi.
+     */
+    public ImageWriterSpi getOriginatingProvider() {
+        return originatingProvider;
+    }
+
+    /**
+     * Processes the start of an image read by calling their imageStarted method
+     * of registered IIOWriteProgressListeners.
+     * 
+     * @param imageIndex
+     *            the image index.
+     */
+    protected void processImageStarted(int imageIndex) {
+        if (null != progressListeners) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.imageStarted(this, imageIndex);
+            }
+        }
+    }
+
+    /**
+     * Processes the current percentage of image completion by calling
+     * imageProgress method of registered IIOWriteProgressListener.
+     * 
+     * @param percentageDone
+     *            the percentage done.
+     */
+    protected void processImageProgress(float percentageDone) {
+        if (null != progressListeners) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.imageProgress(this, percentageDone);
+            }
+        }
+    }
+
+    /**
+     * Processes image completion by calling imageComplete method of registered
+     * IIOWriteProgressListeners.
+     */
+    protected void processImageComplete() {
+        if (null != progressListeners) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.imageComplete(this);
+            }
+        }
+    }
+
+    /**
+     * Processes a warning message by calling warningOccurred method of
+     * registered IIOWriteWarningListeners.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param warning
+     *            the warning.
+     */
+    protected void processWarningOccurred(int imageIndex, String warning) {
+        if (null == warning) {
+            throw new NullPointerException("warning message should not be NULL");
+        }
+        if (null != warningListeners) {
+            for (IIOWriteWarningListener listener : warningListeners) {
+                listener.warningOccurred(this, imageIndex, warning);
+            }
+        }
+    }
+
+    /**
+     * Processes a warning message by calling warningOccurred method of
+     * registered IIOWriteWarningListeners with string from ResourceBundle.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param bundle
+     *            the name of ResourceBundle.
+     * @param key
+     *            the keyword.
+     */
+    protected void processWarningOccurred(int imageIndex, String bundle, String key) {
+        if (warningListeners != null) { // Don't check the parameters
+            return;
+        }
+
+        if (bundle == null) {
+            throw new IllegalArgumentException("baseName == null!");
+        }
+        if (key == null) {
+            throw new IllegalArgumentException("keyword == null!");
+        }
+
+        // Get the context class loader and try to locate the bundle with it
+        // first
+        ClassLoader contextClassloader = AccessController
+                .doPrivileged(new PrivilegedAction<ClassLoader>() {
+                    public ClassLoader run() {
+                        return Thread.currentThread().getContextClassLoader();
+                    }
+                });
+
+        // Iterate through both listeners and locales
+        int n = warningListeners.size();
+        for (int i = 0; i < n; i++) {
+            IIOWriteWarningListener listener = warningListeners.get(i);
+            Locale locale = warningLocales.get(i);
+
+            // Now try to get the resource bundle
+            ResourceBundle rb;
+            try {
+                rb = ResourceBundle.getBundle(bundle, locale, contextClassloader);
+            } catch (MissingResourceException e) {
+                try {
+                    rb = ResourceBundle.getBundle(bundle, locale);
+                } catch (MissingResourceException e1) {
+                    throw new IllegalArgumentException("Bundle not found!");
+                }
+            }
+
+            try {
+                String warning = rb.getString(key);
+                listener.warningOccurred(this, imageIndex, warning);
+            } catch (MissingResourceException e) {
+                throw new IllegalArgumentException("Resource is missing!");
+            } catch (ClassCastException e) {
+                throw new IllegalArgumentException("Resource is not a String!");
+            }
+        }
+    }
+
+    /**
+     * Sets the specified Object to the output of this ImageWriter.
+     * 
+     * @param output
+     *            the Object which represents destination, it can be
+     *            ImageOutputStream or other objects.
+     */
+    public void setOutput(Object output) {
+        if (output != null) {
+            ImageWriterSpi spi = getOriginatingProvider();
+            if (null != spi) {
+                Class[] outTypes = spi.getOutputTypes();
+                boolean supported = false;
+                for (Class<?> element : outTypes) {
+                    if (element.isInstance(output)) {
+                        supported = true;
+                        break;
+                    }
+                }
+                if (!supported) {
+                    throw new IllegalArgumentException("output " + output + " is not supported");
+                }
+            }
+        }
+        this.output = output;
+    }
+
+    /**
+     * Writes a completed image stream that contains the specified image,
+     * default metadata, and thumbnails to the output.
+     * 
+     * @param image
+     *            the specified image to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred during writing.
+     */
+    public void write(IIOImage image) throws IOException {
+        write(null, image, null);
+    }
+
+    /**
+     * Writes a completed image stream that contains the specified rendered
+     * image, default metadata, and thumbnails to the output.
+     * 
+     * @param image
+     *            the specified RenderedImage to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred during writing.
+     */
+    public void write(RenderedImage image) throws IOException {
+        write(null, new IIOImage(image, null, null), null);
+    }
+
+    /**
+     * Writes a completed image stream that contains the specified image,
+     * metadata and thumbnails to the output.
+     * 
+     * @param streamMetadata
+     *            the stream metadata, or null.
+     * @param image
+     *            the specified image to be written, if canWriteRaster() method
+     *            returns false, then Image must contain only RenderedImage.
+     * @param param
+     *            the ImageWriteParam, or null.
+     * @throws IOException
+     *             if an error occurs during writing.
+     */
+    public abstract void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param)
+            throws IOException;
+
+    /**
+     * Disposes of any resources.
+     */
+    public void dispose() {
+        // def impl. does nothing according to the spec.
+    }
+
+    /**
+     * Requests an abort operation for current writing operation.
+     */
+    public synchronized void abort() {
+        aborted = true;
+    }
+
+    /**
+     * Checks whether or not a request to abort the current write operation has
+     * been made successfully.
+     * 
+     * @return true, if the request to abort the current write operation has
+     *         been made successfully, false otherwise.
+     */
+    protected synchronized boolean abortRequested() {
+        return aborted;
+    }
+
+    /**
+     * Clears all previous abort request, and abortRequested returns false after
+     * calling this method.
+     */
+    protected synchronized void clearAbortRequest() {
+        aborted = false;
+    }
+
+    /**
+     * Adds the IIOWriteProgressListener listener.
+     * 
+     * @param listener
+     *            the IIOWriteProgressListener listener.
+     */
+    public void addIIOWriteProgressListener(IIOWriteProgressListener listener) {
+        if (listener == null) {
+            return;
+        }
+
+        if (progressListeners == null) {
+            progressListeners = new ArrayList<IIOWriteProgressListener>();
+        }
+
+        progressListeners.add(listener);
+    }
+
+    /**
+     * Adds the IIOWriteWarningListener.
+     * 
+     * @param listener
+     *            the IIOWriteWarningListener listener.
+     */
+    public void addIIOWriteWarningListener(IIOWriteWarningListener listener) {
+        if (listener == null) {
+            return;
+        }
+
+        if (warningListeners == null) {
+            warningListeners = new ArrayList<IIOWriteWarningListener>();
+            warningLocales = new ArrayList<Locale>();
+        }
+
+        warningListeners.add(listener);
+        warningLocales.add(getLocale());
+    }
+
+    /**
+     * Gets the output object that was set by setOutput method.
+     * 
+     * @return the output object such as ImageOutputStream, or null if it is not
+     *         set.
+     */
+    public Object getOutput() {
+        return output;
+    }
+
+    /**
+     * Check output return false.
+     * 
+     * @return true, if successful.
+     */
+    private final boolean checkOutputReturnFalse() {
+        if (getOutput() == null) {
+            throw new IllegalStateException("getOutput() == null!");
+        }
+        return false;
+    }
+
+    /**
+     * Unsupported operation.
+     */
+    private final void unsupportedOperation() {
+        if (getOutput() == null) {
+            throw new IllegalStateException("getOutput() == null!");
+        }
+        throw new UnsupportedOperationException("Unsupported write variant!");
+    }
+
+    /**
+     * Returns true if a new empty image can be inserted at the specified index.
+     * 
+     * @param imageIndex
+     *            the specified index of image.
+     * @return true if a new empty image can be inserted at the specified index,
+     *         false otherwise.
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    public boolean canInsertEmpty(int imageIndex) throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if a new image can be inserted at the specified index.
+     * 
+     * @param imageIndex
+     *            the specified index of image.
+     * @return true if a new image can be inserted at the specified index, false
+     *         otherwise.
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    public boolean canInsertImage(int imageIndex) throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if the image with the specified index can be removed.
+     * 
+     * @param imageIndex
+     *            the specified index of image.
+     * @return true if the image with the specified index can be removed, false
+     *         otherwise.
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    public boolean canRemoveImage(int imageIndex) throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if metadata of the image with the specified index can be
+     * replaced.
+     * 
+     * @param imageIndex
+     *            the specified image index.
+     * @return true if metadata of the image with the specified index can be
+     *         replaced, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean canReplaceImageMetadata(int imageIndex) throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if pixels of the image with the specified index can be
+     * replaced by the replacePixels methods.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @return true if pixels of the image with the specified index can be
+     *         replaced by the replacePixels methods, false otherwise.
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    public boolean canReplacePixels(int imageIndex) throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if the stream metadata presented in the output can be
+     * removed.
+     * 
+     * @return true if the stream metadata presented in the output can be
+     *         removed, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean canReplaceStreamMetadata() throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if the writing of a complete image stream which contains a
+     * single image is supported with undefined pixel values and associated
+     * metadata and thumbnails to the output.
+     * 
+     * @return true if the writing of a complete image stream which contains a
+     *         single image is supported, false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public boolean canWriteEmpty() throws IOException {
+        return checkOutputReturnFalse();
+    }
+
+    /**
+     * Returns true if the methods which taken an IIOImageParameter can deal
+     * with a Raster source image.
+     * 
+     * @return true if the methods which taken an IIOImageParameter can deal
+     *         with a Raster source image, false otherwise.
+     */
+    public boolean canWriteRasters() {
+        return false;
+    }
+
+    /**
+     * Returns true if the writer can add an image to stream that already
+     * contains header information.
+     * 
+     * @return if the writer can add an image to stream that already contains
+     *         header information, false otherwise.
+     */
+    public boolean canWriteSequence() {
+        return false;
+    }
+
+    /**
+     * Ends the insertion of a new image.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void endInsertEmpty() throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Ends the replace pixels operation.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void endReplacePixels() throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Ends an empty write operation.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void endWriteEmpty() throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Ends the sequence of write operations.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void endWriteSequence() throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Gets an array of available locales.
+     * 
+     * @return an of array available locales.
+     */
+    public Locale[] getAvailableLocales() {
+        if (availableLocales == null) {
+            return null;
+        }
+
+        return availableLocales.clone();
+    }
+
+    /**
+     * Gets an IIOMetadata object that contains default values for encoding an
+     * image with the specified type.
+     * 
+     * @param imageType
+     *            the ImageTypeSpecifier.
+     * @param param
+     *            the ImageWriteParam.
+     * @return the IIOMetadata object.
+     */
+    public abstract IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType,
+            ImageWriteParam param);
+
+    /**
+     * Gets an IIOMetadata object that contains default values for encoding a
+     * stream of images.
+     * 
+     * @param param
+     *            the ImageWriteParam.
+     * @return the IIOMetadata object.
+     */
+    public abstract IIOMetadata getDefaultStreamMetadata(ImageWriteParam param);
+
+    /**
+     * Gets the current locale of this ImageWriter.
+     * 
+     * @return the current locale of this ImageWriter.
+     */
+    public Locale getLocale() {
+        return locale;
+    }
+
+    /**
+     * Gets the default write param. Gets a new ImageWriteParam object for this
+     * ImageWriter with the current Locale.
+     * 
+     * @return a new ImageWriteParam object for this ImageWriter.
+     */
+    public ImageWriteParam getDefaultWriteParam() {
+        return new ImageWriteParam(getLocale());
+    }
+
+    /**
+     * Gets the number of thumbnails supported by the format being written with
+     * supported image type, image write parameters, stream, and image metadata
+     * objects.
+     * 
+     * @param imageType
+     *            the ImageTypeSpecifier.
+     * @param param
+     *            the image's parameters.
+     * @param streamMetadata
+     *            the stream metadata.
+     * @param imageMetadata
+     *            the image metadata.
+     * @return the number of thumbnails supported.
+     */
+    public int getNumThumbnailsSupported(ImageTypeSpecifier imageType, ImageWriteParam param,
+            IIOMetadata streamMetadata, IIOMetadata imageMetadata) {
+        return 0;
+    }
+
+    /**
+     * Gets the preferred thumbnail sizes. Gets an array of Dimensions with the
+     * sizes for thumbnail images as they are encoded in the output file or
+     * stream.
+     * 
+     * @param imageType
+     *            the ImageTypeSpecifier.
+     * @param param
+     *            the ImageWriteParam.
+     * @param streamMetadata
+     *            the stream metadata.
+     * @param imageMetadata
+     *            the image metadata.
+     * @return the preferred thumbnail sizes.
+     */
+    public Dimension[] getPreferredThumbnailSizes(ImageTypeSpecifier imageType,
+            ImageWriteParam param, IIOMetadata streamMetadata, IIOMetadata imageMetadata) {
+        return null;
+    }
+
+    /**
+     * Prepares insertion of an empty image by requesting the insertion of a new
+     * image into an existing image stream.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param imageType
+     *            the image type.
+     * @param width
+     *            the width of the image.
+     * @param height
+     *            the height of the image.
+     * @param imageMetadata
+     *            the image metadata, or null.
+     * @param thumbnails
+     *            the array thumbnails for this image, or null.
+     * @param param
+     *            the ImageWriteParam, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void prepareInsertEmpty(int imageIndex, ImageTypeSpecifier imageType, int width,
+            int height, IIOMetadata imageMetadata, List<? extends BufferedImage> thumbnails,
+            ImageWriteParam param) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Prepares the writer to call the replacePixels method for the specified
+     * region.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @param region
+     *            the specified region.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void prepareReplacePixels(int imageIndex, Rectangle region) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Prepares the writer for writing an empty image by beginning the process
+     * of writing a complete image stream that contains a single image with
+     * undefined pixel values, metadata and thumbnails, to the output.
+     * 
+     * @param streamMetadata
+     *            the stream metadata.
+     * @param imageType
+     *            the image type.
+     * @param width
+     *            the width of the image.
+     * @param height
+     *            the height of the image.
+     * @param imageMetadata
+     *            the image's metadata, or null.
+     * @param thumbnails
+     *            the image's thumbnails, or null.
+     * @param param
+     *            the image's parameters, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void prepareWriteEmpty(IIOMetadata streamMetadata, ImageTypeSpecifier imageType,
+            int width, int height, IIOMetadata imageMetadata,
+            List<? extends BufferedImage> thumbnails, ImageWriteParam param) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Prepares a stream to accept calls of writeToSequence method using the
+     * metadata object.
+     * 
+     * @param streamMetadata
+     *            the stream metadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void prepareWriteSequence(IIOMetadata streamMetadata) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Processes the completion of a thumbnail read by calling their
+     * thumbnailComplete method of registered IIOWriteProgressListeners.
+     */
+    protected void processThumbnailComplete() {
+        if (progressListeners != null) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.thumbnailComplete(this);
+            }
+        }
+    }
+
+    /**
+     * Processes the current percentage of thumbnail completion by calling their
+     * thumbnailProgress method of registered IIOWriteProgressListeners.
+     * 
+     * @param percentageDone
+     *            the percentage done.
+     */
+    protected void processThumbnailProgress(float percentageDone) {
+        if (progressListeners != null) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.thumbnailProgress(this, percentageDone);
+            }
+        }
+    }
+
+    /**
+     * Processes the start of a thumbnail read by calling thumbnailStarted
+     * method of registered IIOWriteProgressListeners.
+     * 
+     * @param imageIndex
+     *            the image index.
+     * @param thumbnailIndex
+     *            the thumbnail index.
+     */
+    protected void processThumbnailStarted(int imageIndex, int thumbnailIndex) {
+        if (progressListeners != null) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.thumbnailStarted(this, imageIndex, thumbnailIndex);
+            }
+        }
+    }
+
+    /**
+     * Processes that the writing has been aborted by calling writeAborted
+     * method of registered IIOWriteProgressListeners.
+     */
+    protected void processWriteAborted() {
+        if (progressListeners != null) {
+            for (IIOWriteProgressListener listener : progressListeners) {
+                listener.writeAborted(this);
+            }
+        }
+    }
+
+    /**
+     * Removes the all IIOWriteProgressListener listeners.
+     */
+    public void removeAllIIOWriteProgressListeners() {
+        progressListeners = null;
+    }
+
+    /**
+     * Removes the all IIOWriteWarningListener listeners.
+     */
+    public void removeAllIIOWriteWarningListeners() {
+        warningListeners = null;
+        warningLocales = null;
+    }
+
+    /**
+     * Removes the specified IIOWriteProgressListener listener.
+     * 
+     * @param listener
+     *            the registered IIOWriteProgressListener to be removed.
+     */
+    public void removeIIOWriteProgressListener(IIOWriteProgressListener listener) {
+        if (progressListeners != null && listener != null) {
+            if (progressListeners.remove(listener) && progressListeners.isEmpty()) {
+                progressListeners = null;
+            }
+        }
+    }
+
+    /**
+     * Removes the specified IIOWriteWarningListener listener.
+     * 
+     * @param listener
+     *            the registered IIOWriteWarningListener listener to be removed.
+     */
+    public void removeIIOWriteWarningListener(IIOWriteWarningListener listener) {
+        if (warningListeners == null || listener == null) {
+            return;
+        }
+
+        int idx = warningListeners.indexOf(listener);
+        if (idx > -1) {
+            warningListeners.remove(idx);
+            warningLocales.remove(idx);
+
+            if (warningListeners.isEmpty()) {
+                warningListeners = null;
+                warningLocales = null;
+            }
+        }
+    }
+
+    /**
+     * Removes the image with the specified index from the stream.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void removeImage(int imageIndex) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Replaces image metadata of the image with specified index.
+     * 
+     * @param imageIndex
+     *            the image's index.
+     * @param imageMetadata
+     *            the image metadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void replaceImageMetadata(int imageIndex, IIOMetadata imageMetadata) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Replaces a part of an image presented in the output with the specified
+     * RenderedImage.
+     * 
+     * @param image
+     *            the RenderedImage.
+     * @param param
+     *            the ImageWriteParam.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void replacePixels(RenderedImage image, ImageWriteParam param) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Replaces a part of an image presented in the output with the specified
+     * Raster.
+     * 
+     * @param raster
+     *            the Raster.
+     * @param param
+     *            the ImageWriteParam.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void replacePixels(Raster raster, ImageWriteParam param) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Replaces the stream metadata of the output with new IIOMetadata.
+     * 
+     * @param streamMetadata
+     *            the new stream metadata.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void replaceStreamMetadata(IIOMetadata streamMetadata) throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Sets the locale of this ImageWriter.
+     * 
+     * @param locale
+     *            the new locale.
+     */
+    public void setLocale(Locale locale) {
+        if (locale == null) {
+            this.locale = null;
+            return;
+        }
+
+        Locale[] locales = getAvailableLocales();
+        boolean validLocale = false;
+        if (locales != null) {
+            for (int i = 0; i < locales.length; i++) {
+                if (locale.equals(locales[i])) {
+                    validLocale = true;
+                    break;
+                }
+            }
+        }
+
+        if (validLocale) {
+            this.locale = locale;
+        } else {
+            throw new IllegalArgumentException("Invalid locale!");
+        }
+    }
+
+    /**
+     * Resets this ImageWriter.
+     */
+    public void reset() {
+        setOutput(null);
+        setLocale(null);
+        removeAllIIOWriteWarningListeners();
+        removeAllIIOWriteProgressListeners();
+        clearAbortRequest();
+    }
+
+    /**
+     * Inserts image into existing output stream.
+     * 
+     * @param imageIndex
+     *            the image index where an image will be written.
+     * @param image
+     *            the specified image to be written.
+     * @param param
+     *            the ImageWriteParam, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public void writeInsert(int imageIndex, IIOImage image, ImageWriteParam param)
+            throws IOException {
+        unsupportedOperation();
+    }
+
+    /**
+     * Writes the specified image to the sequence.
+     * 
+     * @param image
+     *            the image to be written.
+     * @param param
+     *            the ImageWriteParam, or null.
+     * @throws IOException
+     *             if an I/O exception has occurred during writing.
+     */
+    public void writeToSequence(IIOImage image, ImageWriteParam param) throws IOException {
+        unsupportedOperation();
+    }
+}
diff --git a/awt/javax/imageio/event/IIOReadProgressListener.java b/awt/javax/imageio/event/IIOReadProgressListener.java
new file mode 100644
index 0000000..2944896
--- /dev/null
+++ b/awt/javax/imageio/event/IIOReadProgressListener.java
@@ -0,0 +1,121 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.event;
+
+import java.util.EventListener;
+import javax.imageio.ImageReader;
+
+/**
+ * The IIOReadProgressListener interface notifies callers about the progress of
+ * the image and thumbnail reading methods.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOReadProgressListener extends EventListener {
+
+    /**
+     * Notifies this listener that the image reading has been completed.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     */
+    void imageComplete(ImageReader source);
+
+    /**
+     * Notifies this listener about the degree of completion of the read call.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param percentageDone
+     *            the percentage of decoding done.
+     */
+    void imageProgress(ImageReader source, float percentageDone);
+
+    /**
+     * Notifies this listener that an image read operation has been started.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param imageIndex
+     *            the index of the image in an input file or stream to be read.
+     */
+    void imageStarted(ImageReader source, int imageIndex);
+
+    /**
+     * Notifies this listener that a read operation has been aborted.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     */
+    void readAborted(ImageReader source);
+
+    /**
+     * Notifies this listener that a sequence of read operations has been
+     * completed.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     */
+    void sequenceComplete(ImageReader source);
+
+    /**
+     * Notifies this listener that a sequence of read operation has been
+     * started.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param minIndex
+     *            the index of the first image to be read.
+     */
+    void sequenceStarted(ImageReader source, int minIndex);
+
+    /**
+     * Notifies that a thumbnail read operation has been completed.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     */
+    void thumbnailComplete(ImageReader source);
+
+    /**
+     * Notifies this listener about the degree of completion of the read call.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param percentageDone
+     *            the percentage of decoding done.
+     */
+    void thumbnailProgress(ImageReader source, float percentageDone);
+
+    /**
+     * Notifies this listener that a thumbnail reading operation has been
+     * started.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param imageIndex
+     *            the index of the image in an input file or stream to be read.
+     * @param thumbnailIndex
+     *            the index of the thumbnail to be read.
+     */
+    void thumbnailStarted(ImageReader source, int imageIndex, int thumbnailIndex);
+}
diff --git a/awt/javax/imageio/event/IIOReadUpdateListener.java b/awt/javax/imageio/event/IIOReadUpdateListener.java
new file mode 100644
index 0000000..49bdbcb
--- /dev/null
+++ b/awt/javax/imageio/event/IIOReadUpdateListener.java
@@ -0,0 +1,182 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.event;
+
+import java.awt.image.BufferedImage;
+import java.util.EventListener;
+import javax.imageio.ImageReader;
+
+/*
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+/**
+ * The IIOReadUpdateListener interface provides functionality to receive
+ * notification of pixel updates during image and thumbnail reading operations.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOReadUpdateListener extends EventListener {
+
+    /**
+     * Notifies this listener that the specified area of the image has been
+     * updated.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theImage
+     *            the image to be updated.
+     * @param minX
+     *            the minimum X coordinate of the pixels in the updated area.
+     * @param minY
+     *            the minimum Y coordinate of the pixels in the updated area.
+     * @param width
+     *            the width of updated area.
+     * @param height
+     *            the height of updated area.
+     * @param periodX
+     *            the horizontal spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param periodY
+     *            the vertical spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param bands
+     *            the array of integer values indicating the bands being
+     *            updated.
+     */
+    void imageUpdate(ImageReader source, BufferedImage theImage, int minX, int minY, int width,
+            int height, int periodX, int periodY, int[] bands);
+
+    /**
+     * Notifies this listener that the current read operation has completed a
+     * progressive pass.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theImage
+     *            the image to be updated.
+     */
+    void passComplete(ImageReader source, BufferedImage theImage);
+
+    /**
+     * Notifies this listener that the current read operation has begun a
+     * progressive pass.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theImage
+     *            the image to be updated.
+     * @param pass
+     *            the number of the pass.
+     * @param minPass
+     *            the index of the first pass that will be decoded.
+     * @param maxPass
+     *            the index of the last pass that will be decoded.
+     * @param minX
+     *            the minimum X coordinate of the pixels in the updated area.
+     * @param minY
+     *            the minimum Y coordinate of the pixels in the updated area.
+     * @param periodX
+     *            the horizontal spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param periodY
+     *            the vertical spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param bands
+     *            the array of integer values indicating the bands being
+     *            updated.
+     */
+    void passStarted(ImageReader source, BufferedImage theImage, int pass, int minPass,
+            int maxPass, int minX, int minY, int periodX, int periodY, int[] bands);
+
+    /**
+     * Notifies this listener that the current thumbnail read operation has
+     * completed a progressive pass.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theImage
+     *            the thumbnail to be updated.
+     */
+    void thumbnailPassComplete(ImageReader source, BufferedImage theImage);
+
+    /**
+     * Notifies this listener that the current thumbnail read operation has
+     * begun a progressive pass.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theThumbnail
+     *            the thumbnail to be updated.
+     * @param pass
+     *            the number of the pass.
+     * @param minPass
+     *            the index of the first pass that will be decoded.
+     * @param maxPass
+     *            the index of the last pass that will be decoded.
+     * @param minX
+     *            the minimum X coordinate of the pixels in the updated area.
+     * @param minY
+     *            the minimum Y coordinate of the pixels in the updated area.
+     * @param periodX
+     *            the horizontal spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param periodY
+     *            the vertical spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param bands
+     *            the array of integer values indicating the bands being
+     *            updated.
+     */
+    void thumbnailPassStarted(ImageReader source, BufferedImage theThumbnail, int pass,
+            int minPass, int maxPass, int minX, int minY, int periodX, int periodY, int[] bands);
+
+    /**
+     * Notifies this listener that a specified area of a thumbnail image has
+     * been updated.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param theThumbnail
+     *            the thumbnail to be updated.
+     * @param minX
+     *            the minimum X coordinate of the pixels in the updated area.
+     * @param minY
+     *            the minimum Y coordinate of the pixels in the updated area.
+     * @param width
+     *            the width of updated area.
+     * @param height
+     *            the height of updated area.
+     * @param periodX
+     *            the horizontal spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param periodY
+     *            the vertical spacing period between updated pixels, if it
+     *            equals 1, there is no space between pixels.
+     * @param bands
+     *            the array of integer values indicating the bands being
+     *            updated.
+     */
+    void thumbnailUpdate(ImageReader source, BufferedImage theThumbnail, int minX, int minY,
+            int width, int height, int periodX, int periodY, int[] bands);
+}
diff --git a/awt/javax/imageio/event/IIOReadWarningListener.java b/awt/javax/imageio/event/IIOReadWarningListener.java
new file mode 100644
index 0000000..318a5df
--- /dev/null
+++ b/awt/javax/imageio/event/IIOReadWarningListener.java
@@ -0,0 +1,49 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.event;
+
+import java.util.EventListener;
+import javax.imageio.ImageReader;
+
+/* 
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+/**
+ * The IIOReadWarningListener provides methods to receive notification of
+ * warning messages generated by image and thumbnail reading methods.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOReadWarningListener extends EventListener {
+
+    /**
+     * Notifies this listener about a warning (non-fatal error) during decoding.
+     * 
+     * @param source
+     *            the ImageReader object which calls this method.
+     * @param warning
+     *            the string describing the warning.
+     */
+    public void warningOccurred(ImageReader source, String warning);
+}
diff --git a/awt/javax/imageio/event/IIOWriteProgressListener.java b/awt/javax/imageio/event/IIOWriteProgressListener.java
new file mode 100644
index 0000000..4a2c595
--- /dev/null
+++ b/awt/javax/imageio/event/IIOWriteProgressListener.java
@@ -0,0 +1,101 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.event;
+
+import javax.imageio.ImageWriter;
+import java.util.EventListener;
+
+/**
+ * The IIOWriteProgressListener interface provides methods to receive
+ * notification about the progress of the image and thumbnail writing methods.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOWriteProgressListener extends EventListener {
+
+    /**
+     * Notifies this listener that an image write operation has been started.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     * @param imageIndex
+     *            the index of the image being written.
+     */
+    void imageStarted(ImageWriter source, int imageIndex);
+
+    /**
+     * Notifies this listener about the degree of completion of the write call.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     * @param percentageDone
+     *            the percentage of encoding done.
+     */
+    void imageProgress(ImageWriter source, float percentageDone);
+
+    /**
+     * Notifies this listener that the image writing has been completed.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     */
+    void imageComplete(ImageWriter source);
+
+    /**
+     * Notifies this listener that a thumbnail write operation has been started.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     * @param imageIndex
+     *            the index of the image being written.
+     * @param thumbnailIndex
+     *            the index of the thumbnail being written.
+     */
+    void thumbnailStarted(ImageWriter source, int imageIndex, int thumbnailIndex);
+
+    /**
+     * Notifies this listener about the degree of completion of the write call.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     * @param percentageDone
+     *            the percentage of encoding done.
+     */
+    void thumbnailProgress(ImageWriter source, float percentageDone);
+
+    /**
+     * Notifies this listener that a thumbnail write operation has been
+     * completed.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     */
+    void thumbnailComplete(ImageWriter source);
+
+    /**
+     * Notifies this listener that writing operation has been aborted.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     */
+    void writeAborted(ImageWriter source);
+}
diff --git a/awt/javax/imageio/event/IIOWriteWarningListener.java b/awt/javax/imageio/event/IIOWriteWarningListener.java
new file mode 100644
index 0000000..8ee41cd
--- /dev/null
+++ b/awt/javax/imageio/event/IIOWriteWarningListener.java
@@ -0,0 +1,46 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.event;
+
+import javax.imageio.ImageWriter;
+import java.util.EventListener;
+
+/**
+ * The IIOWriteWarningListener provides methods to receive notification of
+ * warnings generated by image and thumbnail writing methods.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOWriteWarningListener extends EventListener {
+
+    /**
+     * Notifies this listener about a warning (non-fatal error) during encoding.
+     * 
+     * @param source
+     *            the ImageWriter object which calls this method.
+     * @param imageIndex
+     *            the index of the image generating the warning.
+     * @param warning
+     *            the string describing the warning.
+     */
+    void warningOccurred(ImageWriter source, int imageIndex, String warning);
+}
diff --git a/awt/javax/imageio/event/package.html b/awt/javax/imageio/event/package.html
new file mode 100644
index 0000000..c2fe39f
--- /dev/null
+++ b/awt/javax/imageio/event/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package provides interfaces to handle events which can be fired during the reading or writing of images.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/metadata/IIOInvalidTreeException.java b/awt/javax/imageio/metadata/IIOInvalidTreeException.java
new file mode 100644
index 0000000..ba90657
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOInvalidTreeException.java
@@ -0,0 +1,74 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import org.w3c.dom.Node;
+import javax.imageio.IIOException;
+
+/**
+ * The IIOInvalidTreeException provides notification about fails of
+ * IIOMetadataNodes tree parsing by IIOMetadata object.
+ * 
+ * @since Android 1.0
+ */
+public class IIOInvalidTreeException extends IIOException {
+
+    /**
+     * The offending node.
+     */
+    protected Node offendingNode = null;
+
+    /**
+     * Instantiates an IIOInvalidTreeException with the specified detailed
+     * message and specified offending Node.
+     * 
+     * @param message
+     *            the detailed message.
+     * @param offendingNode
+     *            the offending node.
+     */
+    public IIOInvalidTreeException(String message, Node offendingNode) {
+        super(message);
+        this.offendingNode = offendingNode;
+    }
+
+    /**
+     * Instantiates a new IIOInvalidTreeException with the specified detailed
+     * message and specified offending Node.
+     * 
+     * @param message
+     *            the detailed message.
+     * @param cause
+     *            the cause of this exception.
+     * @param offendingNode
+     *            the offending node.
+     */
+    public IIOInvalidTreeException(String message, Throwable cause, Node offendingNode) {
+        super(message, cause);
+        this.offendingNode = offendingNode;
+    }
+
+    /**
+     * Gets the offending node.
+     * 
+     * @return the offending node.
+     */
+    public Node getOffendingNode() {
+        return offendingNode;
+    }
+}
diff --git a/awt/javax/imageio/metadata/IIOMetadata.java b/awt/javax/imageio/metadata/IIOMetadata.java
new file mode 100644
index 0000000..96cebf9
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOMetadata.java
@@ -0,0 +1,391 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import java.util.ArrayList;
+
+import org.apache.harmony.x.imageio.metadata.IIOMetadataUtils;
+import org.w3c.dom.Node;
+
+/**
+ * The class IIOMetadata represents the metadata (bundled with an image) as a
+ * Dom-type tree.
+ * 
+ * @since Android 1.0
+ */
+public abstract class IIOMetadata {
+
+    /**
+     * Whether the standard metadata format is supported.
+     */
+    protected boolean standardFormatSupported;
+
+    /**
+     * The native metadata format name.
+     */
+    protected String nativeMetadataFormatName;
+
+    /**
+     * The native metadata format class name.
+     */
+    protected String nativeMetadataFormatClassName;
+
+    /**
+     * The extra metadata format names.
+     */
+    protected String[] extraMetadataFormatNames;
+
+    /**
+     * The extra metadata format class names.
+     */
+    protected String[] extraMetadataFormatClassNames;
+
+    /**
+     * The default controller.
+     */
+    protected IIOMetadataController defaultController;
+
+    /**
+     * The controller.
+     */
+    protected IIOMetadataController controller;
+
+    /**
+     * Instantiates a new IIOMetadata with no data set.
+     */
+    protected IIOMetadata() {
+    }
+
+    /**
+     * Instantiates a new IIOMetadata with the specified data parameters.
+     * 
+     * @param standardMetadataFormatSupported
+     *            whether the standard metadata format is supported.
+     * @param nativeMetadataFormatName
+     *            the native metadata format name.
+     * @param nativeMetadataFormatClassName
+     *            the native metadata format class name.
+     * @param extraMetadataFormatNames
+     *            the extra metadata format names.
+     * @param extraMetadataFormatClassNames
+     *            the extra metadata format class names.
+     */
+    protected IIOMetadata(boolean standardMetadataFormatSupported, String nativeMetadataFormatName,
+            String nativeMetadataFormatClassName, String[] extraMetadataFormatNames,
+            String[] extraMetadataFormatClassNames) {
+        standardFormatSupported = standardMetadataFormatSupported;
+        this.nativeMetadataFormatName = nativeMetadataFormatName;
+        this.nativeMetadataFormatClassName = nativeMetadataFormatClassName;
+        if (extraMetadataFormatNames == null) {
+            if (extraMetadataFormatClassNames != null) {
+                throw new IllegalArgumentException(
+                        "extraMetadataFormatNames == null && extraMetadataFormatClassNames != null!");
+            }
+        } else {
+            if (extraMetadataFormatClassNames == null) {
+                throw new IllegalArgumentException(
+                        "extraMetadataFormatNames != null && extraMetadataFormatClassNames == null!");
+            }
+            if (extraMetadataFormatNames.length == 0) {
+                throw new IllegalArgumentException("extraMetadataFormatNames.length == 0!");
+            }
+            if (extraMetadataFormatClassNames.length != extraMetadataFormatNames.length) {
+                throw new IllegalArgumentException(
+                        "extraMetadataFormatClassNames.length != extraMetadataFormatNames.length!");
+            }
+            this.extraMetadataFormatNames = extraMetadataFormatNames.clone();
+            this.extraMetadataFormatClassNames = extraMetadataFormatClassNames.clone();
+        }
+    }
+
+    /**
+     * Gets the metadata as tree-type document.
+     * 
+     * @param formatName
+     *            the format name.
+     * @return the node in tree format.
+     */
+    public abstract Node getAsTree(String formatName);
+
+    /**
+     * Checks if the metadata is read only.
+     * 
+     * @return true, if the metadata is read only.
+     */
+    public abstract boolean isReadOnly();
+
+    /**
+     * Merges the specified tree with this metadata tree.
+     * 
+     * @param formatName
+     *            the format of the specified tree.
+     * @param root
+     *            the root node of the metadata tree.
+     * @throws IIOInvalidTreeException
+     *             if the specified tree is incompatible with the this metadata
+     *             tree.
+     */
+    public abstract void mergeTree(String formatName, Node root) throws IIOInvalidTreeException;
+
+    /**
+     * Resets the controller.
+     */
+    public abstract void reset();
+
+    /**
+     * Gets the controller associated with this metadata document.
+     * 
+     * @return the controller.
+     */
+    public IIOMetadataController getController() {
+        return controller;
+    }
+
+    /**
+     * Checks whether this metadata has a controller.
+     * 
+     * @return true, if this metadata has a controller.
+     */
+    public boolean hasController() {
+        return getController() != null;
+    }
+
+    /**
+     * Activate the controller.
+     * 
+     * @return true, if successful.
+     */
+    public boolean activateController() {
+        if (!hasController()) {
+            throw new IllegalStateException("hasController() == false!");
+        }
+        return getController().activate(this);
+    }
+
+    /**
+     * Gets the default controller.
+     * 
+     * @return the default controller.
+     */
+    public IIOMetadataController getDefaultController() {
+        return defaultController;
+    }
+
+    /**
+     * Gets the extra metadata format names.
+     * 
+     * @return the extra metadata format names.
+     */
+    public String[] getExtraMetadataFormatNames() {
+        return extraMetadataFormatNames == null ? null : extraMetadataFormatNames.clone();
+    }
+
+    /**
+     * Gets the metadata format.
+     * 
+     * @param formatName
+     *            the format name.
+     * @return the metadata format.
+     */
+    public IIOMetadataFormat getMetadataFormat(String formatName) {
+        return IIOMetadataUtils.instantiateMetadataFormat(formatName, standardFormatSupported,
+                nativeMetadataFormatName, nativeMetadataFormatClassName, extraMetadataFormatNames,
+                extraMetadataFormatClassNames);
+    }
+
+    /**
+     * Gets the native metadata format name.
+     * 
+     * @return the native metadata format name.
+     */
+    public String getNativeMetadataFormatName() {
+        return nativeMetadataFormatName;
+    }
+
+    /**
+     * Checks if the standard metadata format is supported.
+     * 
+     * @return true, if the standard metadata format is supported.
+     */
+    public boolean isStandardMetadataFormatSupported() {
+        return standardFormatSupported;
+    }
+
+    /**
+     * Gets the metadata format names.
+     * 
+     * @return the metadata format names.
+     */
+    public String[] getMetadataFormatNames() {
+        ArrayList<String> res = new ArrayList<String>();
+
+        String nativeMetadataFormatName = getNativeMetadataFormatName();
+        boolean standardFormatSupported = isStandardMetadataFormatSupported();
+        String extraMetadataFormatNames[] = getExtraMetadataFormatNames();
+
+        if (standardFormatSupported) {
+            res.add(IIOMetadataFormatImpl.standardMetadataFormatName);
+        }
+        if (nativeMetadataFormatName != null) {
+            res.add(nativeMetadataFormatName);
+        }
+        if (extraMetadataFormatNames != null) {
+            for (String extraMetadataFormatName : extraMetadataFormatNames) {
+                res.add(extraMetadataFormatName);
+            }
+        }
+
+        return res.size() > 0 ? res.toArray(new String[0]) : null;
+    }
+
+    /**
+     * Gets the standard chroma node.
+     * 
+     * @return the standard chroma node.
+     */
+    protected IIOMetadataNode getStandardChromaNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard compression node.
+     * 
+     * @return the standard compression node.
+     */
+    protected IIOMetadataNode getStandardCompressionNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard data node.
+     * 
+     * @return the standard data node.
+     */
+    protected IIOMetadataNode getStandardDataNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard dimension node.
+     * 
+     * @return the standard dimension node.
+     */
+    protected IIOMetadataNode getStandardDimensionNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard document node.
+     * 
+     * @return the standard document node.
+     */
+    protected IIOMetadataNode getStandardDocumentNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard text node.
+     * 
+     * @return the standard text node.
+     */
+    protected IIOMetadataNode getStandardTextNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard tile node.
+     * 
+     * @return the standard tile node.
+     */
+    protected IIOMetadataNode getStandardTileNode() {
+        return null;
+    }
+
+    /**
+     * Gets the standard transparency node.
+     * 
+     * @return the standard transparency node.
+     */
+    protected IIOMetadataNode getStandardTransparencyNode() {
+        return null;
+    }
+
+    /**
+     * Gets the metadata as a tree in standard format.
+     * 
+     * @return the metadata as a tree in standard format.
+     */
+    protected final IIOMetadataNode getStandardTree() {
+        // Create root node
+        IIOMetadataNode root = new IIOMetadataNode(IIOMetadataFormatImpl.standardMetadataFormatName);
+
+        Node node;
+        if ((node = getStandardChromaNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardCompressionNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardDataNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardDimensionNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardDocumentNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardTextNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardTileNode()) != null) {
+            root.appendChild(node);
+        }
+        if ((node = getStandardTransparencyNode()) != null) {
+            root.appendChild(node);
+        }
+
+        return root;
+    }
+
+    /**
+     * Sets the controller.
+     * 
+     * @param controller
+     *            the new controller.
+     */
+    public void setController(IIOMetadataController controller) {
+        this.controller = controller;
+    }
+
+    /**
+     * Sets the from tree.
+     * 
+     * @param formatName
+     *            the name of the metatdata format of the from tree.
+     * @param root
+     *            the root node of the from tree.
+     * @throws IIOInvalidTreeException
+     *             if the tree or its format is not compatible with this
+     *             metadata.
+     */
+    public void setFromTree(String formatName, Node root) throws IIOInvalidTreeException {
+        reset();
+        mergeTree(formatName, root);
+    }
+}
diff --git a/awt/javax/imageio/metadata/IIOMetadataController.java b/awt/javax/imageio/metadata/IIOMetadataController.java
new file mode 100644
index 0000000..1405948
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOMetadataController.java
@@ -0,0 +1,46 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.metadata;
+
+/* 
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+/**
+ * The IIOMetadataController interface provides a method for implementing
+ * objects to activate the controller without defining how the controller
+ * obtains values.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOMetadataController {
+
+    /**
+     * Activates a controller.
+     * 
+     * @param metadata
+     *            the metadata to be modified.
+     * @return true, if the IIOMetadata has been modified, false otherwise.
+     */
+    public boolean activate(IIOMetadata metadata);
+}
diff --git a/awt/javax/imageio/metadata/IIOMetadataFormat.java b/awt/javax/imageio/metadata/IIOMetadataFormat.java
new file mode 100644
index 0000000..0e7e697
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOMetadataFormat.java
@@ -0,0 +1,404 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import javax.imageio.ImageTypeSpecifier;
+import java.util.Locale;
+
+/**
+ * The Interface IIOMetadataFormat is implemented by classes that describe the
+ * rules and allowed elements for a metadata document tree.
+ * 
+ * @since Android 1.0
+ */
+public interface IIOMetadataFormat {
+
+    /**
+     * The CHILD_POLICY_EMPTY.
+     */
+    int CHILD_POLICY_EMPTY = 0;
+
+    /**
+     * The CHILD_POLICY_ALL.
+     */
+    int CHILD_POLICY_ALL = 1;
+
+    /**
+     * The CHILD_POLICY_SOME.
+     */
+    int CHILD_POLICY_SOME = 2;
+
+    /**
+     * The CHILD_POLICY_CHOICE.
+     */
+    int CHILD_POLICY_CHOICE = 3;
+
+    /**
+     * The CHILD_POLICY_SEQUENCE.
+     */
+    int CHILD_POLICY_SEQUENCE = 4;
+
+    /**
+     * The CHILD_POLICY_REPEAT.
+     */
+    int CHILD_POLICY_REPEAT = 5;
+
+    /**
+     * The maximum value for the child policy.
+     */
+    int CHILD_POLICY_MAX = CHILD_POLICY_REPEAT;
+
+    /**
+     * The DATATYPE_STRING.
+     */
+    int DATATYPE_STRING = 0;
+
+    /**
+     * The DATATYPE_BOOLEAN.
+     */
+    int DATATYPE_BOOLEAN = 1;
+
+    /**
+     * The DATATYPE_INTEGER.
+     */
+    int DATATYPE_INTEGER = 2;
+
+    /**
+     * The DATATYPE_FLOAT.
+     */
+    int DATATYPE_FLOAT = 3;
+
+    /**
+     * The DATATYPE_DOUBLE.
+     */
+    int DATATYPE_DOUBLE = 4;
+
+    /**
+     * The VALUE_NONE.
+     */
+    int VALUE_NONE = 0;
+
+    /**
+     * The VALUE_ARBITRARY.
+     */
+    int VALUE_ARBITRARY = 1;
+
+    /**
+     * The VALUE_RANGE.
+     */
+    int VALUE_RANGE = 2;
+
+    /**
+     * The VALUE_RANGE_MIN_INCLUSIVE_MASK.
+     */
+    int VALUE_RANGE_MIN_INCLUSIVE_MASK = 4;
+
+    /**
+     * The VALUE_RANGE_MAX_INCLUSIVE_MASK.
+     */
+    int VALUE_RANGE_MAX_INCLUSIVE_MASK = 8;
+
+    /**
+     * The VALUE_ENUMERATION.
+     */
+    int VALUE_ENUMERATION = 16;
+
+    /**
+     * The VALUE_LIST.
+     */
+    int VALUE_LIST = 32;
+
+    /**
+     * The VALUE_RANGE_MIN_INCLUSIVE.
+     */
+    int VALUE_RANGE_MIN_INCLUSIVE = VALUE_RANGE | VALUE_RANGE_MIN_INCLUSIVE_MASK;
+
+    /**
+     * The VALUE_RANGE_MAX_INCLUSIVE.
+     */
+    int VALUE_RANGE_MAX_INCLUSIVE = VALUE_RANGE | VALUE_RANGE_MAX_INCLUSIVE_MASK;
+
+    /**
+     * The VALUE_RANGE_MIN_MAX_INCLUSIVE.
+     */
+    int VALUE_RANGE_MIN_MAX_INCLUSIVE = VALUE_RANGE | VALUE_RANGE_MIN_INCLUSIVE_MASK
+            | VALUE_RANGE_MAX_INCLUSIVE_MASK;
+
+    /**
+     * Tells whether the specified element is allowed for the specified image
+     * type.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param imageType
+     *            the image type.
+     * @return true, if the specified element is allowed for the specified image
+     *         type.
+     */
+    boolean canNodeAppear(String elementName, ImageTypeSpecifier imageType);
+
+    /**
+     * Gets data type of the specified attribute of the specified element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the attribute's data type.
+     */
+    int getAttributeDataType(String elementName, String attrName);
+
+    /**
+     * Gets the default value of the specified attribute of the specified
+     * element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the attribute's default value.
+     */
+    String getAttributeDefaultValue(String elementName, String attrName);
+
+    /**
+     * Gets the user-friendly description of the attribute.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @param locale
+     *            the locale giving the desired language for the description.
+     * @return the attribute description.
+     */
+    String getAttributeDescription(String elementName, String attrName, Locale locale);
+
+    /**
+     * Gets the attribute enumerations.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the attribute enumerations.
+     */
+    String[] getAttributeEnumerations(String elementName, String attrName);
+
+    /**
+     * Gets the maximum length of the attribute list.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the maximum length of the attribute list.
+     */
+    int getAttributeListMaxLength(String elementName, String attrName);
+
+    /**
+     * Gets the minimum length of the attribute list.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the minimum length of the attribute list.
+     */
+    int getAttributeListMinLength(String elementName, String attrName);
+
+    /**
+     * Gets the maximum value allowed for the attribute.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the maximum value allowed for the attribute.
+     */
+    String getAttributeMaxValue(String elementName, String attrName);
+
+    /**
+     * Gets the minimum value allowed for the attribute.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the minimum value allowed for the attribute.
+     */
+    String getAttributeMinValue(String elementName, String attrName);
+
+    /**
+     * Gets the attribute names allowed for the specified element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the attribute names.
+     */
+    String[] getAttributeNames(String elementName);
+
+    /**
+     * Gets the attribute value type.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return the attribute value type.
+     */
+    int getAttributeValueType(String elementName, String attrName);
+
+    /**
+     * Checks whether the specified attribute is required for the specified
+     * element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attrName
+     *            the attribute name.
+     * @return true, if the specified attribute is required for the specified
+     *         element.
+     */
+    boolean isAttributeRequired(String elementName, String attrName);
+
+    /**
+     * Gets the names of the possible child elements for the given element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the child names.
+     */
+    String[] getChildNames(String elementName);
+
+    /**
+     * Gets the constant describing the element's child policy.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the child policy.
+     */
+    int getChildPolicy(String elementName);
+
+    /**
+     * Gets the user-friendly description of the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param locale
+     *            the locale giving the desired language for the description.
+     * @return the element description.
+     */
+    String getElementDescription(String elementName, Locale locale);
+
+    /**
+     * Gets the maximum number of children allowed for the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the maximum number of children allowed for the element.
+     */
+    int getElementMaxChildren(String elementName);
+
+    /**
+     * Gets the minimum number of children allowed for the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the minimum number of children allowed for the element.
+     */
+    int getElementMinChildren(String elementName);
+
+    /**
+     * Gets the maximum object array length allowed for the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the maximum object array length allowed for the element.
+     */
+    int getObjectArrayMaxLength(String elementName);
+
+    /**
+     * Gets the minimum object array length allowed for the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the minimum object array length allowed for the element.
+     */
+    int getObjectArrayMinLength(String elementName);
+
+    /**
+     * Gets the object class corresponding to the specified element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the object class corresponding to the specified element.
+     */
+    Class<?> getObjectClass(String elementName);
+
+    /**
+     * Gets the object default value for the element.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the object default value for the element.
+     */
+    Object getObjectDefaultValue(String elementName);
+
+    /**
+     * Gets the object enumerations.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the object enumerations.
+     */
+    Object[] getObjectEnumerations(String elementName);
+
+    /**
+     * Gets the maximum value allowed for the element's object.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the maximum value allowed for the element's object.
+     */
+    Comparable<?> getObjectMaxValue(String elementName);
+
+    /**
+     * Gets the minimum value allowed for the element's object.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the minimum value allowed for the element's object.
+     */
+    Comparable<?> getObjectMinValue(String elementName);
+
+    /**
+     * Gets the constant that indicates the type of the element's value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the constant that indicates the type of the element's value.
+     */
+    int getObjectValueType(String elementName);
+
+    /**
+     * Gets the name of the root element.
+     * 
+     * @return the name of the root element.
+     */
+    String getRootName();
+}
diff --git a/awt/javax/imageio/metadata/IIOMetadataFormatImpl.java b/awt/javax/imageio/metadata/IIOMetadataFormatImpl.java
new file mode 100644
index 0000000..1a6e568
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOMetadataFormatImpl.java
@@ -0,0 +1,1056 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import javax.imageio.ImageTypeSpecifier;
+import java.util.*;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+/**
+ * The IIOMetadataFormatImpl class provides an implementation of the
+ * IIOMetadataFormat interface.
+ * 
+ * @since Android 1.0
+ */
+public abstract class IIOMetadataFormatImpl implements IIOMetadataFormat {
+
+    /**
+     * The Constant standardMetadataFormatName.
+     */
+    @SuppressWarnings( {
+        "ConstantDeclaredInAbstractClass"
+    })
+    public static final String standardMetadataFormatName = "javax_imageio_1.0";
+
+    /**
+     * The standard format.
+     */
+    @SuppressWarnings( {
+        "StaticNonFinalField"
+    })
+    private static IIOMetadataFormatImpl standardFormat;
+
+    /**
+     * The root name.
+     */
+    private String rootName;
+
+    /**
+     * The element hash.
+     */
+    private HashMap<String, Element> elementHash = new HashMap<String, Element>();
+
+    /**
+     * The resource base name.
+     */
+    private String resourceBaseName = getClass().getName() + "Resources";
+
+    /**
+     * Instantiates an IIOMetadataFormatImpl with the specified root name and
+     * child policy (not CHILD_POLICY_REPEAT).
+     * 
+     * @param rootName
+     *            the name of root element.
+     * @param childPolicy
+     *            the child policy defined by one of the CHILD_POLICY_*
+     *            constants (except CHILD_POLICY_REPEAT).
+     */
+    public IIOMetadataFormatImpl(String rootName, int childPolicy) {
+        if (rootName == null) {
+            throw new IllegalArgumentException("rootName is null");
+        }
+        if (childPolicy < CHILD_POLICY_EMPTY || childPolicy > CHILD_POLICY_MAX
+                || childPolicy == CHILD_POLICY_REPEAT) {
+            throw new IllegalArgumentException("childPolicy is not one of the predefined constants");
+        }
+
+        this.rootName = rootName;
+        Element root = new Element();
+        root.name = rootName;
+        root.childPolicy = childPolicy;
+        elementHash.put(rootName, root);
+    }
+
+    /**
+     * Instantiates an IIOMetadataFormatImpl with the specified root name and
+     * CHILD_POLICY_REPEAT child policy.
+     * 
+     * @param rootName
+     *            the name of root element.
+     * @param minChildren
+     *            the minimum number of children.
+     * @param maxChildren
+     *            the maximum number of children
+     */
+    public IIOMetadataFormatImpl(String rootName, int minChildren, int maxChildren) {
+        if (rootName == null) {
+            throw new IllegalArgumentException("rootName is null");
+        }
+        if (minChildren < 0) {
+            throw new IllegalArgumentException("minChildren < 0!");
+        }
+        if (minChildren > maxChildren) {
+            throw new IllegalArgumentException("minChildren > maxChildren!");
+        }
+
+        this.rootName = rootName;
+        Element root = new Element();
+        root.name = rootName;
+        root.minChildren = minChildren;
+        root.maxChildren = maxChildren;
+        root.childPolicy = CHILD_POLICY_REPEAT;
+        elementHash.put(rootName, root);
+    }
+
+    @SuppressWarnings( {
+        "AbstractMethodOverridesAbstractMethod"
+    })
+    public abstract boolean canNodeAppear(String elementName, ImageTypeSpecifier imageType);
+
+    /**
+     * Adds a new attribute to an existing element.
+     * 
+     * @param elementName
+     *            the name of the element to which the new attribute will be
+     *            added.
+     * @param attrName
+     *            the attribute name.
+     * @param dataType
+     *            the data type of the new attribute.
+     * @param required
+     *            the flag which indicates whether this attribute must be
+     *            present.
+     * @param listMinLength
+     *            the minimum legal number of list items.
+     * @param listMaxLength
+     *            the the maximum legal number of list items.
+     */
+    protected void addAttribute(String elementName, String attrName, int dataType,
+            boolean required, int listMinLength, int listMaxLength) {
+        if (attrName == null) {
+            throw new IllegalArgumentException("attrName == null!");
+        }
+        if (dataType < DATATYPE_STRING || dataType > DATATYPE_DOUBLE) {
+            throw new IllegalArgumentException("Invalid value for dataType!");
+        }
+        if (listMinLength < 0 || listMinLength > listMaxLength) {
+            throw new IllegalArgumentException("Invalid list bounds!");
+        }
+
+        Element element = findElement(elementName);
+        Attlist attr = new Attlist();
+        attr.name = attrName;
+        attr.dataType = dataType;
+        attr.required = required;
+        attr.listMinLength = listMinLength;
+        attr.listMaxLength = listMaxLength;
+        attr.valueType = VALUE_LIST;
+
+        element.attributes.put(attrName, attr);
+    }
+
+    /**
+     * Adds a new attribute to an existing element.
+     * 
+     * @param elementName
+     *            the name of the element to which the new attribute will be
+     *            added.
+     * @param attrName
+     *            the attribute name.
+     * @param dataType
+     *            the data type of the new attribute.
+     * @param required
+     *            the flag which indicates whether this attribute must be
+     *            present.
+     * @param defaultValue
+     *            the default value of the attribute.
+     */
+    protected void addAttribute(String elementName, String attrName, int dataType,
+            boolean required, String defaultValue) {
+        if (attrName == null) {
+            throw new IllegalArgumentException("attrName == null!");
+        }
+        if (dataType < DATATYPE_STRING || dataType > DATATYPE_DOUBLE) {
+            throw new IllegalArgumentException("Invalid value for dataType!");
+        }
+
+        Element element = findElement(elementName);
+        Attlist attr = new Attlist();
+        attr.name = attrName;
+        attr.dataType = dataType;
+        attr.required = required;
+        attr.defaultValue = defaultValue;
+        attr.valueType = VALUE_ARBITRARY;
+
+        element.attributes.put(attrName, attr);
+    }
+
+    /**
+     * Adds a new attribute to an existing element.
+     * 
+     * @param elementName
+     *            the name of the element to which the new attribute will be
+     *            added.
+     * @param attrName
+     *            the attribute name.
+     * @param dataType
+     *            the data type of the new attribute.
+     * @param required
+     *            the flag which indicates whether this attribute must be
+     *            present.
+     * @param defaultValue
+     *            the default value of the attribute.
+     * @param enumeratedValues
+     *            the legal values for the attribute as a list of strings.
+     */
+    protected void addAttribute(String elementName, String attrName, int dataType,
+            boolean required, String defaultValue, List<String> enumeratedValues) {
+        if (attrName == null) {
+            throw new IllegalArgumentException("attrName == null!");
+        }
+        if (dataType < DATATYPE_STRING || dataType > DATATYPE_DOUBLE) {
+            throw new IllegalArgumentException("Invalid value for dataType!");
+        }
+        if (enumeratedValues == null || enumeratedValues.isEmpty()) {
+            throw new IllegalArgumentException("enumeratedValues is empty or null");
+        }
+
+        try {
+            for (String enumeratedValue : enumeratedValues) {
+                if (enumeratedValue == null) {
+                    throw new IllegalArgumentException("enumeratedValues contains a null!");
+                }
+            }
+        } catch (ClassCastException e) {
+            throw new IllegalArgumentException("enumeratedValues contains a non-String value!");
+        }
+
+        Element element = findElement(elementName);
+        Attlist attr = new Attlist();
+        attr.name = attrName;
+        attr.dataType = dataType;
+        attr.required = required;
+        attr.defaultValue = defaultValue;
+        attr.enumeratedValues = enumeratedValues;
+        attr.valueType = VALUE_ENUMERATION;
+
+        element.attributes.put(attrName, attr);
+    }
+
+    /**
+     * Adds a new attribute to an existing element.
+     * 
+     * @param elementName
+     *            the name of the element to which the new attribute will be
+     *            added.
+     * @param attrName
+     *            the attribute name.
+     * @param dataType
+     *            the data type of the new attribute.
+     * @param required
+     *            the flag which indicates whether this attribute must be
+     *            present.
+     * @param defaultValue
+     *            the default value of attribute.
+     * @param minValue
+     *            the minimum legal value of an attribute.
+     * @param maxValue
+     *            the maximum legal value of an attribute.
+     * @param minInclusive
+     *            the flag which indicates whether the minValue is inclusive.
+     * @param maxInclusive
+     *            the flag which indicates whether the maxValue is inclusive.
+     */
+    protected void addAttribute(String elementName, String attrName, int dataType,
+            boolean required, String defaultValue, String minValue, String maxValue,
+            boolean minInclusive, boolean maxInclusive) {
+        if (attrName == null) {
+            throw new IllegalArgumentException("attrName == null!");
+        }
+        if (dataType < DATATYPE_STRING || dataType > DATATYPE_DOUBLE) {
+            throw new IllegalArgumentException("Invalid value for dataType!");
+        }
+
+        Element element = findElement(elementName);
+        Attlist attr = new Attlist();
+        attr.name = attrName;
+        attr.dataType = dataType;
+        attr.required = required;
+        attr.defaultValue = defaultValue;
+        attr.minValue = minValue;
+        attr.maxValue = maxValue;
+        attr.minInclusive = minInclusive;
+        attr.maxInclusive = maxInclusive;
+
+        attr.valueType = VALUE_RANGE;
+        attr.valueType |= minInclusive ? VALUE_RANGE_MIN_INCLUSIVE_MASK : 0;
+        attr.valueType |= maxInclusive ? VALUE_RANGE_MAX_INCLUSIVE_MASK : 0;
+
+        element.attributes.put(attrName, attr);
+    }
+
+    /**
+     * Adds a new attribute with boolean data type to an existing element.
+     * 
+     * @param elementName
+     *            the name of the element to which the new attribute will be
+     *            added.
+     * @param attrName
+     *            the attribute name.
+     * @param hasDefaultValue
+     *            the flag which indicates whether this attribute must have a
+     *            default value.
+     * @param defaultValue
+     *            the default value.
+     */
+    protected void addBooleanAttribute(String elementName, String attrName,
+            boolean hasDefaultValue, boolean defaultValue) {
+        String defaultVal = hasDefaultValue ? (defaultValue ? "TRUE" : "FALSE") : null;
+        ArrayList<String> values = new ArrayList<String>(2);
+        values.add("TRUE");
+        values.add("FALSE");
+
+        addAttribute(elementName, attrName, DATATYPE_BOOLEAN, true, defaultVal, values);
+    }
+
+    /**
+     * Adds an existing element to the list of child elements of the specified
+     * parent element.
+     * 
+     * @param elementName
+     *            the name of the element to be added.
+     * @param parentName
+     *            the parent element name.
+     */
+    protected void addChildElement(String elementName, String parentName) {
+        Element parent = findElement(parentName);
+        Element element = findElement(elementName);
+        parent.children.add(element.name);
+    }
+
+    /**
+     * Adds a new element type to this IIOMetadataFormat with a child policy (if
+     * policy is not CHILD_POLICY_REPEAT).
+     * 
+     * @param elementName
+     *            the name of the element to be added.
+     * @param parentName
+     *            the parent element name.
+     * @param childPolicy
+     *            one of the CHILD_POLICY_* constants defined by
+     *            IIOMetadataFormat.
+     */
+    protected void addElement(String elementName, String parentName, int childPolicy) {
+        if (childPolicy < CHILD_POLICY_EMPTY || childPolicy > CHILD_POLICY_MAX
+                || childPolicy == CHILD_POLICY_REPEAT) {
+            throw new IllegalArgumentException("childPolicy is not one of the predefined constants");
+        }
+
+        Element parent = findElement(parentName);
+        Element element = new Element();
+        element.name = elementName;
+        element.childPolicy = childPolicy;
+        elementHash.put(elementName, element);
+        parent.children.add(elementName);
+    }
+
+    /**
+     * Adds a new element type to this IIOMetadataFormat with
+     * CHILD_POLICY_REPEAT and the specified minimum and maximum number of child
+     * elements.
+     * 
+     * @param elementName
+     *            the element name to be added.
+     * @param parentName
+     *            the parent element name.
+     * @param minChildren
+     *            the minimum number of child elements.
+     * @param maxChildren
+     *            the maximum number of child elements.
+     */
+    protected void addElement(String elementName, String parentName, int minChildren,
+            int maxChildren) {
+        if (minChildren < 0) {
+            throw new IllegalArgumentException("minChildren < 0!");
+        }
+        if (minChildren > maxChildren) {
+            throw new IllegalArgumentException("minChildren > maxChildren!");
+        }
+
+        Element parent = findElement(parentName);
+        Element element = new Element();
+        element.name = elementName;
+        element.childPolicy = CHILD_POLICY_REPEAT;
+        element.minChildren = minChildren;
+        element.maxChildren = maxChildren;
+        elementHash.put(elementName, element);
+        parent.children.add(elementName);
+    }
+
+    /**
+     * Adds an Object reference with the specified class type to be stored as
+     * element's value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param classType
+     *            the class indicates the legal types for the object's value.
+     * @param arrayMinLength
+     *            the minimum legal length for the array.
+     * @param arrayMaxLength
+     *            the maximum legal length for the array.
+     */
+    protected void addObjectValue(String elementName, Class<?> classType, int arrayMinLength,
+            int arrayMaxLength) {
+        Element element = findElement(elementName);
+
+        ObjectValue objVal = new ObjectValue();
+        objVal.classType = classType;
+        objVal.arrayMaxLength = arrayMaxLength;
+        objVal.arrayMinLength = arrayMinLength;
+        objVal.valueType = VALUE_LIST;
+
+        element.objectValue = objVal;
+    }
+
+    /**
+     * Adds an Object reference with the specified class type to be stored as an
+     * element's value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param classType
+     *            the class indicates the legal types for the object's value.
+     * @param required
+     *            a flag indicated that this object value must be present.
+     * @param defaultValue
+     *            the default value, or null.
+     */
+    protected <T> void addObjectValue(String elementName, Class<T> classType, boolean required,
+            T defaultValue) {
+        // note: reqired is an unused parameter
+        Element element = findElement(elementName);
+
+        ObjectValue<T> objVal = new ObjectValue<T>();
+        objVal.classType = classType;
+        objVal.defaultValue = defaultValue;
+        objVal.valueType = VALUE_ARBITRARY;
+
+        element.objectValue = objVal;
+    }
+
+    /**
+     * Adds an Object reference with the specified class type to be stored as
+     * the element's value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param classType
+     *            the class indicates the legal types for the object value.
+     * @param required
+     *            a flag indicated that this object value must be present.
+     * @param defaultValue
+     *            the default value, or null.
+     * @param enumeratedValues
+     *            the list of legal values for the object.
+     */
+    protected <T> void addObjectValue(String elementName, Class<T> classType, boolean required,
+            T defaultValue, List<? extends T> enumeratedValues) {
+        // note: reqired is an unused parameter
+        if (enumeratedValues == null || enumeratedValues.isEmpty()) {
+            throw new IllegalArgumentException("enumeratedValues is empty or null");
+        }
+
+        try {
+            for (T enumeratedValue : enumeratedValues) {
+                if (enumeratedValue == null) {
+                    throw new IllegalArgumentException("enumeratedValues contains a null!");
+                }
+            }
+        } catch (ClassCastException e) {
+            throw new IllegalArgumentException(
+                    "enumeratedValues contains a value not of class classType!");
+        }
+
+        Element element = findElement(elementName);
+
+        ObjectValue<T> objVal = new ObjectValue<T>();
+        objVal.classType = classType;
+        objVal.defaultValue = defaultValue;
+        objVal.enumeratedValues = enumeratedValues;
+        objVal.valueType = VALUE_ENUMERATION;
+
+        element.objectValue = objVal;
+    }
+
+    /**
+     * Adds an Object reference with the specified class type to be stored as
+     * the element's value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param classType
+     *            the class indicates the legal types for the object value.
+     * @param defaultValue
+     *            the default value, or null.
+     * @param minValue
+     *            the minimum legal value for the object value.
+     * @param maxValue
+     *            the maximum legal value for the object value.
+     * @param minInclusive
+     *            the flag which indicates whether the minValue is inclusive.
+     * @param maxInclusive
+     *            the flag which indicates whether the maxValue is inclusive.
+     */
+    protected <T extends Object & Comparable<? super T>> void addObjectValue(String elementName,
+            Class<T> classType, T defaultValue, Comparable<? super T> minValue,
+            Comparable<? super T> maxValue, boolean minInclusive, boolean maxInclusive) {
+        Element element = findElement(elementName);
+
+        ObjectValue<T> objVal = new ObjectValue<T>();
+        objVal.classType = classType;
+        objVal.defaultValue = defaultValue;
+        objVal.minValue = minValue;
+        objVal.maxValue = maxValue;
+        objVal.minInclusive = minInclusive;
+        objVal.maxInclusive = maxInclusive;
+
+        objVal.valueType = VALUE_RANGE;
+        objVal.valueType |= minInclusive ? VALUE_RANGE_MIN_INCLUSIVE_MASK : 0;
+        objVal.valueType |= maxInclusive ? VALUE_RANGE_MAX_INCLUSIVE_MASK : 0;
+
+        element.objectValue = objVal;
+    }
+
+    public int getAttributeDataType(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        return attr.dataType;
+    }
+
+    public String getAttributeDefaultValue(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        return attr.defaultValue;
+    }
+
+    public String getAttributeDescription(String elementName, String attrName, Locale locale) {
+        findAttribute(elementName, attrName);
+        return getResourceString(elementName + "/" + attrName, locale);
+    }
+
+    public String[] getAttributeEnumerations(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        if (attr.valueType != VALUE_ENUMERATION) {
+            throw new IllegalArgumentException("Attribute is not an enumeration!");
+        }
+
+        return attr.enumeratedValues.toArray(new String[attr.enumeratedValues.size()]);
+    }
+
+    public int getAttributeListMaxLength(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        if (attr.valueType != VALUE_LIST) {
+            throw new IllegalArgumentException("Attribute is not a list!");
+        }
+        return attr.listMaxLength;
+    }
+
+    public int getAttributeListMinLength(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        if (attr.valueType != VALUE_LIST) {
+            throw new IllegalArgumentException("Attribute is not a list!");
+        }
+        return attr.listMinLength;
+    }
+
+    public String getAttributeMaxValue(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        if ((attr.valueType & VALUE_RANGE) == 0) {
+            throw new IllegalArgumentException("Attribute is not a range!");
+        }
+        return attr.maxValue;
+    }
+
+    public String getAttributeMinValue(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        if ((attr.valueType & VALUE_RANGE) == 0) {
+            throw new IllegalArgumentException("Attribute is not a range!");
+        }
+        return attr.minValue;
+    }
+
+    public String[] getAttributeNames(String elementName) {
+        Element element = findElement(elementName);
+        return element.attributes.keySet().toArray(new String[element.attributes.size()]);
+    }
+
+    public int getAttributeValueType(String elementName, String attrName) {
+        Attlist attr = findAttribute(elementName, attrName);
+        return attr.valueType;
+    }
+
+    public String[] getChildNames(String elementName) {
+        Element element = findElement(elementName);
+        if (element.childPolicy == CHILD_POLICY_EMPTY) { // Element cannot have
+            // children
+            return null;
+        }
+        return element.children.toArray(new String[element.children.size()]);
+    }
+
+    public int getChildPolicy(String elementName) {
+        Element element = findElement(elementName);
+        return element.childPolicy;
+    }
+
+    public String getElementDescription(String elementName, Locale locale) {
+        findElement(elementName); // Check if there is such element
+        return getResourceString(elementName, locale);
+    }
+
+    public int getElementMaxChildren(String elementName) {
+        Element element = findElement(elementName);
+        if (element.childPolicy != CHILD_POLICY_REPEAT) {
+            throw new IllegalArgumentException("Child policy is not CHILD_POLICY_REPEAT!");
+        }
+        return element.maxChildren;
+    }
+
+    public int getElementMinChildren(String elementName) {
+        Element element = findElement(elementName);
+        if (element.childPolicy != CHILD_POLICY_REPEAT) {
+            throw new IllegalArgumentException("Child policy is not CHILD_POLICY_REPEAT!");
+        }
+        return element.minChildren;
+    }
+
+    public int getObjectArrayMaxLength(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null || v.valueType != VALUE_LIST) {
+            throw new IllegalArgumentException("Not a list!");
+        }
+        return v.arrayMaxLength;
+    }
+
+    public int getObjectArrayMinLength(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null || v.valueType != VALUE_LIST) {
+            throw new IllegalArgumentException("Not a list!");
+        }
+        return v.arrayMinLength;
+    }
+
+    public Class<?> getObjectClass(String elementName) {
+        ObjectValue v = findObjectValue(elementName);
+        return v.classType;
+    }
+
+    public Object getObjectDefaultValue(String elementName) {
+        ObjectValue v = findObjectValue(elementName);
+        return v.defaultValue;
+    }
+
+    public Object[] getObjectEnumerations(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null || v.valueType != VALUE_ENUMERATION) {
+            throw new IllegalArgumentException("Not an enumeration!");
+        }
+        return v.enumeratedValues.toArray();
+    }
+
+    public Comparable<?> getObjectMaxValue(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null || (v.valueType & VALUE_RANGE) == 0) {
+            throw new IllegalArgumentException("Not a range!");
+        }
+        return v.maxValue;
+    }
+
+    public Comparable<?> getObjectMinValue(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null || (v.valueType & VALUE_RANGE) == 0) {
+            throw new IllegalArgumentException("Not a range!");
+        }
+        return v.minValue;
+    }
+
+    public int getObjectValueType(String elementName) {
+        Element element = findElement(elementName);
+        if (element.objectValue == null) {
+            return VALUE_NONE;
+        }
+        return element.objectValue.valueType;
+    }
+
+    /**
+     * Gets the resource base name for locating ResourceBundles.
+     * 
+     * @return the current resource base name.
+     */
+    protected String getResourceBaseName() {
+        return resourceBaseName;
+    }
+
+    public String getRootName() {
+        return rootName;
+    }
+
+    /**
+     * Gets the standard format instance.
+     * 
+     * @return the IIOMetadataFormat instance.
+     */
+    public static IIOMetadataFormat getStandardFormatInstance() {
+        if (standardFormat == null) {
+            standardFormat = new IIOStandardMetadataFormat();
+        }
+
+        return standardFormat;
+    }
+
+    public boolean isAttributeRequired(String elementName, String attrName) {
+        return findAttribute(elementName, attrName).required;
+    }
+
+    /**
+     * Removes the specified attribute from the specified element.
+     * 
+     * @param elementName
+     *            the specified element name.
+     * @param attrName
+     *            the specified attribute name.
+     */
+    protected void removeAttribute(String elementName, String attrName) {
+        Element element = findElement(elementName);
+        element.attributes.remove(attrName);
+    }
+
+    /**
+     * Removes the specified element from this format.
+     * 
+     * @param elementName
+     *            the specified element name.
+     */
+    protected void removeElement(String elementName) {
+        Element element;
+        if ((element = elementHash.get(elementName)) != null) {
+            elementHash.remove(elementName);
+            for (Element e : elementHash.values()) {
+                e.children.remove(element.name);
+            }
+        }
+    }
+
+    /**
+     * Removes the object value from the specified element.
+     * 
+     * @param elementName
+     *            the element name.
+     */
+    protected void removeObjectValue(String elementName) {
+        Element element = findElement(elementName);
+        element.objectValue = null;
+    }
+
+    /**
+     * Sets a new base name for ResourceBundles containing descriptions of
+     * elements and attributes for this format.
+     * 
+     * @param resourceBaseName
+     *            the new resource base name.
+     */
+    protected void setResourceBaseName(String resourceBaseName) {
+        if (resourceBaseName == null) {
+            throw new IllegalArgumentException("resourceBaseName == null!");
+        }
+        this.resourceBaseName = resourceBaseName;
+    }
+
+    /**
+     * The Class Element.
+     */
+    @SuppressWarnings( {
+        "ClassWithoutConstructor"
+    })
+    private class Element {
+
+        /**
+         * The name.
+         */
+        String name;
+
+        /**
+         * The children.
+         */
+        ArrayList<String> children = new ArrayList<String>();
+
+        /**
+         * The attributes.
+         */
+        HashMap<String, Attlist> attributes = new HashMap<String, Attlist>();
+
+        /**
+         * The min children.
+         */
+        int minChildren;
+
+        /**
+         * The max children.
+         */
+        int maxChildren;
+
+        /**
+         * The child policy.
+         */
+        int childPolicy;
+
+        /**
+         * The object value.
+         */
+        ObjectValue objectValue;
+    }
+
+    /**
+     * The Class Attlist.
+     */
+    @SuppressWarnings( {
+        "ClassWithoutConstructor"
+    })
+    private class Attlist {
+
+        /**
+         * The name.
+         */
+        String name;
+
+        /**
+         * The data type.
+         */
+        int dataType;
+
+        /**
+         * The required.
+         */
+        boolean required;
+
+        /**
+         * The list min length.
+         */
+        int listMinLength;
+
+        /**
+         * The list max length.
+         */
+        int listMaxLength;
+
+        /**
+         * The default value.
+         */
+        String defaultValue;
+
+        /**
+         * The enumerated values.
+         */
+        List<String> enumeratedValues;
+
+        /**
+         * The min value.
+         */
+        String minValue;
+
+        /**
+         * The max value.
+         */
+        String maxValue;
+
+        /**
+         * The min inclusive.
+         */
+        boolean minInclusive;
+
+        /**
+         * The max inclusive.
+         */
+        boolean maxInclusive;
+
+        /**
+         * The value type.
+         */
+        int valueType;
+    }
+
+    /**
+     * The Class ObjectValue.
+     */
+    @SuppressWarnings( {
+        "ClassWithoutConstructor"
+    })
+    private class ObjectValue<T> {
+
+        /**
+         * The class type.
+         */
+        Class<T> classType;
+
+        /**
+         * The array min length.
+         */
+        int arrayMinLength;
+
+        /**
+         * The array max length.
+         */
+        int arrayMaxLength;
+
+        /**
+         * The default value.
+         */
+        T defaultValue;
+
+        /**
+         * The enumerated values.
+         */
+        List<? extends T> enumeratedValues;
+
+        /**
+         * The min value.
+         */
+        Comparable<? super T> minValue;
+
+        /**
+         * The max value.
+         */
+        Comparable<? super T> maxValue;
+
+        /**
+         * The min inclusive.
+         */
+        boolean minInclusive;
+
+        /**
+         * The max inclusive.
+         */
+        boolean maxInclusive;
+
+        /**
+         * The value type.
+         */
+        int valueType;
+    }
+
+    /**
+     * Find element.
+     * 
+     * @param name
+     *            the name.
+     * @return the element.
+     */
+    private Element findElement(String name) {
+        Element element;
+        if ((element = elementHash.get(name)) == null) {
+            throw new IllegalArgumentException("element name is null or no such element: " + name);
+        }
+
+        return element;
+    }
+
+    /**
+     * Find attribute.
+     * 
+     * @param elementName
+     *            the element name.
+     * @param attributeName
+     *            the attribute name.
+     * @return the attlist.
+     */
+    private Attlist findAttribute(String elementName, String attributeName) {
+        Element element = findElement(elementName);
+        Attlist attribute;
+        if ((attribute = element.attributes.get(attributeName)) == null) {
+            throw new IllegalArgumentException("attribute name is null or no such attribute: "
+                    + attributeName);
+        }
+
+        return attribute;
+    }
+
+    /**
+     * Find object value.
+     * 
+     * @param elementName
+     *            the element name.
+     * @return the object value.
+     */
+    private ObjectValue findObjectValue(String elementName) {
+        Element element = findElement(elementName);
+        ObjectValue v = element.objectValue;
+        if (v == null) {
+            throw new IllegalArgumentException("No object within element");
+        }
+        return v;
+    }
+
+    /**
+     * Gets the resource string.
+     * 
+     * @param key
+     *            the key.
+     * @param locale
+     *            the locale.
+     * @return the resource string.
+     */
+    private String getResourceString(String key, Locale locale) {
+        if (locale == null) {
+            locale = Locale.getDefault();
+        }
+
+        // Get the context class loader and try to locate the bundle with it
+        // first
+        ClassLoader contextClassloader = AccessController
+                .doPrivileged(new PrivilegedAction<ClassLoader>() {
+                    public ClassLoader run() {
+                        return Thread.currentThread().getContextClassLoader();
+                    }
+                });
+
+        // Now try to get the resource bundle
+        ResourceBundle rb;
+        try {
+            rb = ResourceBundle.getBundle(resourceBaseName, locale, contextClassloader);
+        } catch (MissingResourceException e) {
+            try {
+                rb = ResourceBundle.getBundle(resourceBaseName, locale);
+            } catch (MissingResourceException e1) {
+                return null;
+            }
+        }
+
+        try {
+            return rb.getString(key);
+        } catch (MissingResourceException e) {
+            return null;
+        } catch (ClassCastException e) {
+            return null; // Not a string resource
+        }
+    }
+}
diff --git a/awt/javax/imageio/metadata/IIOMetadataNode.java b/awt/javax/imageio/metadata/IIOMetadataNode.java
new file mode 100644
index 0000000..adc6d67
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOMetadataNode.java
@@ -0,0 +1,1070 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.w3c.dom.Attr;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+//???AWT
+//import org.w3c.dom.TypeInfo;
+//import org.w3c.dom.UserDataHandler;
+
+/**
+ * The Class IIOMetadataNode represents a node of the (DOM-style) metadata tree.
+ * 
+ * @since Android 1.0
+ */
+public class IIOMetadataNode implements Element, NodeList {
+
+    /**
+     * The node name.
+     */
+    private String nodeName;
+
+    /**
+     * The node value.
+     */
+    private String nodeValue;
+
+    /**
+     * The attributes.
+     */
+    private IIOMetadataNodeList attrs = new IIOMetadataNodeList(new ArrayList<IIOMetadataNode>());
+
+    /**
+     * The parent node.
+     */
+    private IIOMetadataNode parent;
+
+    /**
+     * The first child node.
+     */
+    private IIOMetadataNode firstChild;
+
+    /**
+     * The last child node.
+     */
+    private IIOMetadataNode lastChild;
+
+    /**
+     * The previous sibling.
+     */
+    private IIOMetadataNode previousSibling;
+
+    /**
+     * The next sibling.
+     */
+    private IIOMetadataNode nextSibling;
+
+    /**
+     * The number of children.
+     */
+    private int nChildren;
+
+    /**
+     * The user object associated with this node.
+     */
+    private Object userObject;
+
+    /**
+     * The text content of this node.
+     */
+    private String textContent;
+
+    /**
+     * Instantiates a new empty node.
+     */
+    public IIOMetadataNode() {
+    }
+
+    /**
+     * Instantiates a new empty node with the specified name.
+     * 
+     * @param nodeName
+     *            the node name.
+     */
+    public IIOMetadataNode(String nodeName) {
+        this.nodeName = nodeName;
+    }
+
+    /**
+     * Instantiates a new IIOMetadataNode with the specified name and value.
+     * 
+     * @param nodeName
+     *            the node name.
+     * @param nodeValue
+     *            the node value.
+     */
+    private IIOMetadataNode(String nodeName, String nodeValue) {
+        this.nodeName = nodeName;
+        this.nodeValue = nodeValue;
+    }
+
+    public String getTagName() {
+        return nodeName;
+    }
+
+    public String getAttribute(String name) {
+        Attr attrNode = (Attr)attrs.getNamedItem(name);
+        return (attrNode == null) ? "" : attrNode.getValue();
+    }
+
+    public void setAttribute(String name, String value) throws DOMException {
+        Attr attr = (Attr)attrs.getNamedItem(name);
+        if (attr != null) {
+            attr.setValue(value);
+        } else {
+            attrs.list.add(new IIOMetadataAttr(name, value, this));
+        }
+    }
+
+    public void removeAttribute(String name) throws DOMException {
+        IIOMetadataAttr attr = (IIOMetadataAttr)attrs.getNamedItem(name);
+        if (attr != null) {
+            attr.setOwnerElement(null);
+            attrs.list.remove(attr);
+        }
+    }
+
+    public Attr getAttributeNode(String name) {
+        return (Attr)attrs.getNamedItem(name);
+    }
+
+    public Attr setAttributeNode(Attr newAttr) throws DOMException {
+        // Check if this attribute is already in use.
+        Element owner = newAttr.getOwnerElement();
+        if (owner != null) {
+            if (owner == this) { // Replacing an attribute node by itself has no
+                // effect
+                return null;
+            } else {
+                throw new DOMException(DOMException.INUSE_ATTRIBUTE_ERR,
+                        "Attribute is already in use");
+            }
+        }
+
+        String name = newAttr.getName();
+        Attr oldAttr = getAttributeNode(name);
+        if (oldAttr != null) {
+            removeAttributeNode(oldAttr);
+        }
+
+        IIOMetadataAttr iioAttr;
+        if (newAttr instanceof IIOMetadataAttr) {
+            iioAttr = (IIOMetadataAttr)newAttr;
+            iioAttr.setOwnerElement(this);
+        } else {
+            iioAttr = new IIOMetadataAttr(name, newAttr.getValue(), this);
+        }
+
+        attrs.list.add(iioAttr);
+
+        return oldAttr;
+    }
+
+    public Attr removeAttributeNode(Attr oldAttr) throws DOMException {
+        if (!attrs.list.remove(oldAttr)) { // Not found
+            throw new DOMException(DOMException.NOT_FOUND_ERR, "No such attribute!");
+        }
+
+        ((IIOMetadataAttr)oldAttr).setOwnerElement(null);
+
+        return oldAttr;
+    }
+
+    public NodeList getElementsByTagName(String name) {
+        ArrayList<IIOMetadataNode> nodes = new ArrayList<IIOMetadataNode>();
+
+        // Non-recursive tree walk
+        Node pos = this;
+
+        while (pos != null) {
+            if (pos.getNodeName().equals(name)) {
+                nodes.add((IIOMetadataNode)pos);
+            }
+
+            Node nextNode = pos.getFirstChild();
+
+            while (nextNode == null) {
+                if (pos == this) {
+                    break;
+                }
+
+                nextNode = pos.getNextSibling();
+
+                if (nextNode == null) {
+                    pos = pos.getParentNode();
+
+                    if (pos == null || pos == this) {
+                        nextNode = null;
+                        break;
+                    }
+                }
+            }
+            pos = nextNode;
+        }
+
+        return new IIOMetadataNodeList(nodes);
+    }
+
+    public String getAttributeNS(String namespaceURI, String localName) throws DOMException {
+        return getAttribute(localName);
+    }
+
+    public void setAttributeNS(String namespaceURI, String qualifiedName, String value)
+            throws DOMException {
+        setAttribute(qualifiedName, value);
+    }
+
+    public void removeAttributeNS(String namespaceURI, String localName) throws DOMException {
+        removeAttribute(localName);
+    }
+
+    public Attr getAttributeNodeNS(String namespaceURI, String localName) throws DOMException {
+        return getAttributeNode(localName);
+    }
+
+    public Attr setAttributeNodeNS(Attr newAttr) throws DOMException {
+        return setAttributeNode(newAttr);
+    }
+
+    public NodeList getElementsByTagNameNS(String namespaceURI, String localName)
+            throws DOMException {
+        return getElementsByTagName(localName);
+    }
+
+    public boolean hasAttribute(String name) {
+        return attrs.getNamedItem(name) != null;
+    }
+
+    public boolean hasAttributeNS(String namespaceURI, String localName) throws DOMException {
+        return hasAttribute(localName);
+    }
+
+    // ???AWT
+    /*
+     * public TypeInfo getSchemaTypeInfo() { throw new
+     * DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported"); }
+     */
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Element (DOM Level
+     * 3)</i>
+     * <p>
+     * If the parameter isId is true, this method declares the specified
+     * attribute to be a user-determined ID attribute . This affects the value
+     * of Attr.isId and the behavior of Document.getElementById, but does not
+     * change any schema that may be in use, in particular this does not affect
+     * the Attr.schemaTypeInfo of the specified Attr node. Use the value false
+     * for the parameter isId to undeclare an attribute for being a
+     * user-determined ID attribute. To specify an attribute by local name and
+     * namespace URI, use the setIdAttributeNS method.
+     * </p>
+     * 
+     * @param name
+     *            the name of the attribute.
+     * @param isId
+     *            the flag which determines whether this attribute is of type
+     *            ID.
+     * @throws DOMException
+     *             if a DOM error occurred while setting the attribute type.
+     *             <p>
+     *             NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+     *             <br>
+     *             NOT_FOUND_ERR: Raised if the specified node is not an
+     *             attribute of this element.
+     *             </p>
+     */
+    public void setIdAttribute(String name, boolean isId) throws DOMException {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Element (DOM Level
+     * 3)</i>
+     * <p>
+     * If the parameter isId is true, this method declares the specified
+     * attribute to be a user-determined ID attribute . This affects the value
+     * of Attr.isId and the behavior of Document.getElementById, but does not
+     * change any schema that may be in use, in particular this does not affect
+     * the Attr.schemaTypeInfo of the specified Attr node. Use the value false
+     * for the parameter isId to undeclare an attribute for being a
+     * user-determined ID attribute.
+     * </p>
+     * 
+     * @param namespaceURI
+     *            the namespace URI of the attribute.
+     * @param localName
+     *            the local name of the attribute.
+     * @param isId
+     *            the flag which determines whether this attribute is of type
+     *            ID.
+     * @throws DOMException
+     *             if a DOM error occurred while setting the attribute type.
+     *             <p>
+     *             NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+     *             <br>
+     *             NOT_FOUND_ERR: Raised if the specified node is not an
+     *             attribute of this element.
+     *             </p>
+     */
+    public void setIdAttributeNS(String namespaceURI, String localName, boolean isId)
+            throws DOMException {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Element (DOM Level
+     * 3)</i>
+     * <p>
+     * If the parameter isId is true, this method declares the specified
+     * attribute to be a user-determined ID attribute . This affects the value
+     * of Attr.isId and the behavior of Document.getElementById, but does not
+     * change any schema that may be in use, in particular this does not affect
+     * the Attr.schemaTypeInfo of the specified Attr node. Use the value false
+     * for the parameter isId to undeclare an attribute for being a
+     * user-determined ID attribute.
+     * </p>
+     * 
+     * @param idAttr
+     *            the attribute node.
+     * @param isId
+     *            the flag which determines whether this attribute is of type
+     *            ID.
+     * @throws DOMException
+     *             if a DOM error occurred while setting the attribute type.
+     *             <p>
+     *             NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+     *             <br>
+     *             NOT_FOUND_ERR: Raised if the specified node is not an
+     *             attribute of this element.
+     *             </p>
+     */
+    public void setIdAttributeNode(Attr idAttr, boolean isId) throws DOMException {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    public String getNodeName() {
+        return nodeName;
+    }
+
+    public String getNodeValue() throws DOMException {
+        return nodeValue;
+    }
+
+    public void setNodeValue(String nodeValue) throws DOMException {
+        this.nodeValue = nodeValue;
+    }
+
+    public short getNodeType() {
+        return ELEMENT_NODE;
+    }
+
+    public Node getParentNode() {
+        return parent;
+    }
+
+    public NodeList getChildNodes() {
+        return this;
+    }
+
+    public Node getFirstChild() {
+        return firstChild;
+    }
+
+    public Node getLastChild() {
+        return lastChild;
+    }
+
+    public Node getPreviousSibling() {
+        return previousSibling;
+    }
+
+    public Node getNextSibling() {
+        return nextSibling;
+    }
+
+    public NamedNodeMap getAttributes() {
+        return attrs;
+    }
+
+    public Document getOwnerDocument() {
+        return null;
+    }
+
+    public Node insertBefore(Node newChild, Node refChild) throws DOMException {
+        if (newChild == null) {
+            throw new IllegalArgumentException("newChild == null!");
+        }
+
+        IIOMetadataNode newIIOChild = (IIOMetadataNode)newChild;
+        IIOMetadataNode refIIOChild = (IIOMetadataNode)refChild;
+
+        newIIOChild.parent = this;
+
+        if (refIIOChild == null) {
+            newIIOChild.nextSibling = null;
+            newIIOChild.previousSibling = lastChild;
+
+            // Fix this node
+            lastChild = newIIOChild;
+            if (firstChild == null) {
+                firstChild = newIIOChild;
+            }
+        } else {
+            newIIOChild.nextSibling = refIIOChild;
+            newIIOChild.previousSibling = refIIOChild.previousSibling;
+
+            // Fix this node
+            if (firstChild == refIIOChild) {
+                firstChild = newIIOChild;
+            }
+
+            // Fix next node
+            if (refIIOChild != null) {
+                refIIOChild.previousSibling = newIIOChild;
+            }
+        }
+
+        // Fix prev node
+        if (newIIOChild.previousSibling != null) {
+            newIIOChild.previousSibling.nextSibling = newIIOChild;
+        }
+
+        nChildren++;
+
+        return newIIOChild;
+    }
+
+    public Node replaceChild(Node newChild, Node oldChild) throws DOMException {
+        if (newChild == null) {
+            throw new IllegalArgumentException("newChild == null!");
+        }
+
+        IIOMetadataNode newIIOChild = (IIOMetadataNode)newChild;
+        IIOMetadataNode oldIIOChild = (IIOMetadataNode)oldChild;
+
+        IIOMetadataNode next = oldIIOChild.nextSibling;
+        IIOMetadataNode previous = oldIIOChild.previousSibling;
+
+        // Fix new node
+        newIIOChild.parent = this;
+        newIIOChild.nextSibling = next;
+        newIIOChild.previousSibling = previous;
+
+        // Fix this node
+        if (lastChild == oldIIOChild) {
+            lastChild = newIIOChild;
+        }
+        if (firstChild == oldIIOChild) {
+            firstChild = newIIOChild;
+        }
+
+        // Fix siblings
+        if (next != null) {
+            next.previousSibling = newIIOChild;
+        }
+        if (previous != null) {
+            previous.nextSibling = newIIOChild;
+        }
+
+        // Fix old child
+        oldIIOChild.parent = null;
+        oldIIOChild.nextSibling = next;
+        oldIIOChild.previousSibling = previous;
+
+        return oldIIOChild;
+    }
+
+    public Node removeChild(Node oldChild) throws DOMException {
+        if (oldChild == null) {
+            throw new IllegalArgumentException("oldChild == null!");
+        }
+
+        IIOMetadataNode oldIIOChild = (IIOMetadataNode)oldChild;
+
+        // Fix next and previous
+        IIOMetadataNode previous = oldIIOChild.previousSibling;
+        IIOMetadataNode next = oldIIOChild.nextSibling;
+
+        if (previous != null) {
+            previous.nextSibling = next;
+        }
+        if (next != null) {
+            next.previousSibling = previous;
+        }
+
+        // Fix this node
+        if (lastChild == oldIIOChild) {
+            lastChild = previous;
+        }
+        if (firstChild == oldIIOChild) {
+            firstChild = next;
+        }
+        nChildren--;
+
+        // Fix old child
+        oldIIOChild.parent = null;
+        oldIIOChild.previousSibling = null;
+        oldIIOChild.nextSibling = null;
+
+        return oldIIOChild;
+    }
+
+    public Node appendChild(Node newChild) throws DOMException {
+        return insertBefore(newChild, null);
+    }
+
+    public boolean hasChildNodes() {
+        return nChildren != 0;
+    }
+
+    public Node cloneNode(boolean deep) {
+        IIOMetadataNode cloned = new IIOMetadataNode(nodeName);
+        cloned.setUserObject(getUserObject());
+
+        if (deep) { // Clone recursively
+            IIOMetadataNode c = firstChild;
+            while (c != null) {
+                cloned.insertBefore(c.cloneNode(true), null);
+                c = c.nextSibling;
+            }
+        }
+
+        return cloned; // To change body of implemented methods use File |
+        // Settings | File Templates.
+    }
+
+    public void normalize() {
+        // Do nothing
+    }
+
+    public boolean isSupported(String feature, String version) {
+        return false;
+    }
+
+    public String getNamespaceURI() {
+        return null;
+    }
+
+    public String getPrefix() {
+        return null;
+    }
+
+    public void setPrefix(String prefix) throws DOMException {
+        // Do nothing
+    }
+
+    public String getLocalName() {
+        return nodeName;
+    }
+
+    public boolean hasAttributes() {
+        return attrs.list.size() > 0;
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * The absolute base URI of this node or null if the implementation wasn't
+     * able to obtain an absolute URI. This value is computed as described in.
+     * However, when the Document supports the feature "HTML" [DOM Level 2
+     * HTML], the base URI is computed using first the value of the href
+     * attribute of the HTML BASE element if any, and the value of the
+     * documentURI attribute from the Document interface otherwise.
+     * </p>
+     * 
+     * @return the string representation of the absolute base URI.
+     */
+    public String getBaseURI() {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Compares the reference node, i.e. the node on which this method is being
+     * called, with a node, i.e. the one passed as a parameter, with regard to
+     * their position in the document and according to the document order.
+     * </p>
+     * 
+     * @param other
+     *            the node to compare against the reference node.
+     * @return Returns how the node is positioned relatively to the reference
+     *         node.
+     * @throws DOMException
+     *             NOT_SUPPORTED_ERR: when the compared nodes are from different
+     *             DOM implementations that do not coordinate to return
+     *             consistent implementation-specific results.
+     */
+    public short compareDocumentPosition(Node other) throws DOMException {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * This attribute returns the text content of this node and its descendants.
+     * When it is defined to be null, setting it has no effect. On setting, any
+     * possible children this node may have are removed and, if it the new
+     * string is not empty or null, replaced by a single Text node containing
+     * the string this attribute is set to. On getting, no serialization is
+     * performed, the returned string does not contain any markup. No whitespace
+     * normalization is performed and the returned string does not contain the
+     * white spaces in element content (see the attribute
+     * Text.isElementContentWhitespace). Similarly, on setting, no parsing is
+     * performed either, the input string is taken as pure textual content. The
+     * string returned is made of the text content of this node depending on its
+     * type, as defined below:
+     * <table>
+     * <tr>
+     * <td><strong>Node type</strong></td>
+     * <td><strong>Content</strong></td>
+     * </tr>
+     * <tr>
+     * <td>ELEMENT_NODE, ATTRIBUTE_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE,
+     * DOCUMENT_FRAGMENT_NODE</td>
+     * <td>concatenation of the textContent attribute value of every child node,
+     * excluding COMMENT_NODE and PROCESSING_INSTRUCTION_NODE nodes. This is the
+     * empty string if the node has no children.</td>
+     * </tr>
+     * <tr>
+     * <td>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE,
+     * PROCESSING_INSTRUCTION_NODE</td>
+     * <td>nodeValue</td>
+     * </tr>
+     * <tr>
+     * <td>DOCUMENT_NODE, DOCUMENT_TYPE_NODE, NOTATION_NODE</td>
+     * <td>null</td>
+     * </tr>
+     * </table>
+     * </p>
+     * 
+     * @return the text content depending on the type of this node.
+     * @throws DOMException
+     *             DOMSTRING_SIZE_ERR: Raised when it would return more
+     *             characters than fit in a DOMString variable on the
+     *             implementation platform.
+     */
+    public String getTextContent() throws DOMException {
+        return textContent;
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * This attribute returns the text content of this node and its descendants.
+     * When it is defined to be null, setting it has no effect. On setting, any
+     * possible children this node may have are removed and, if it the new
+     * string is not empty or null, replaced by a single Text node containing
+     * the string this attribute is set to. On getting, no serialization is
+     * performed, the returned string does not contain any markup. No whitespace
+     * normalization is performed and the returned string does not contain the
+     * white spaces in element content (see the attribute
+     * Text.isElementContentWhitespace). Similarly, on setting, no parsing is
+     * performed either, the input string is taken as pure textual content. The
+     * string returned is made of the text content of this node depending on its
+     * type, as defined below:
+     * <table>
+     * <tr>
+     * <td><strong>Node type</strong></td>
+     * <td><strong>Content</strong></td>
+     * </tr>
+     * <tr>
+     * <td>ELEMENT_NODE, ATTRIBUTE_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE,
+     * DOCUMENT_FRAGMENT_NODE</td>
+     * <td>concatenation of the textContent attribute value of every child node,
+     * excluding COMMENT_NODE and PROCESSING_INSTRUCTION_NODE nodes. This is the
+     * empty string if the node has no children.</td>
+     * </tr>
+     * <tr>
+     * <td>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE,
+     * PROCESSING_INSTRUCTION_NODE</td>
+     * <td>nodeValue</td>
+     * </tr>
+     * <tr>
+     * <td>DOCUMENT_NODE, DOCUMENT_TYPE_NODE, NOTATION_NODE</td>
+     * <td>null</td>
+     * </tr>
+     * </table>
+     * </p>
+     * 
+     * @param textContent
+     *            the text content for this node.
+     * @throws DOMException
+     *             NO_MODIFICATION_ALLOWED_ERR: Raised when the node is
+     *             readonly.
+     */
+    public void setTextContent(String textContent) throws DOMException {
+        this.textContent = textContent;
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Returns whether this node is the same node as the given one. This method
+     * provides a way to determine whether two Node references returned by the
+     * implementation reference the same object. When two Node references are
+     * references to the same object, even if through a proxy, the references
+     * may be used completely interchangeably, such that all attributes have the
+     * same values and calling the same DOM method on either reference always
+     * has exactly the same effect.
+     * </p>
+     * 
+     * @param other
+     *            the node to test against.
+     * @return true, if the nodes are the same, false otherwise.
+     */
+    public boolean isSameNode(Node other) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Look up the prefix associated to the given namespace URI, starting from
+     * this node. The default namespace declarations are ignored by this method.
+     * See for details on the algorithm used by this method.
+     * </p>
+     * 
+     * @param namespaceURI
+     *            the namespace URI to look for.
+     * @return the associated namespace prefix if found or null if none is
+     *         found. If more than one prefix are associated to the namespace
+     *         prefix, the returned namespace prefix is implementation
+     *         dependent.
+     */
+    public String lookupPrefix(String namespaceURI) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * This method checks if the specified namespaceURI is the default namespace
+     * or not.
+     * </p>
+     * 
+     * @param namespaceURI
+     *            the namespace URI to look for.
+     * @return true, if the specified namespaceURI is the default namespace,
+     *         false otherwise.
+     */
+    public boolean isDefaultNamespace(String namespaceURI) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Look up the namespace URI associated to the given prefix, starting from
+     * this node. See for details on the algorithm used by this method.
+     * </p>
+     * 
+     * @param prefix
+     *            the prefix to look for. If this parameter is null, the method
+     *            will return the default namespace URI if any.
+     * @return the associated namespace URI or null if none is found.
+     */
+    public String lookupNamespaceURI(String prefix) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Tests whether two nodes are equal. This method tests for equality of
+     * nodes, not sameness (i.e., whether the two nodes are references to the
+     * same object) which can be tested with Node.isSameNode(). All nodes that
+     * are the same will also be equal, though the reverse may not be true. Two
+     * nodes are equal if and only if the following conditions are satisfied:
+     * <p>
+     * <li>The two nodes are of the same type.</li>
+     * <li>The following string attributes are equal: nodeName, localName,
+     * namespaceURI, prefix, nodeValue . This is: they are both null, or they
+     * have the same length and are character for character identical.</li>
+     * <li>The attributes NamedNodeMaps are equal. This is: they are both null,
+     * or they have the same length and for each node that exists in one map
+     * there is a node that exists in the other map and is equal, although not
+     * necessarily at the same index.</li>
+     * <li>The childNodes NodeLists are equal. This is: they are both null, or
+     * they have the same length and contain equal nodes at the same index. Note
+     * that normalization can affect equality; to avoid this, nodes should be
+     * normalized before being compared.</li>
+     * </p>
+     * For two DocumentType nodes to be equal, the following conditions must
+     * also be satisfied:
+     * <p>
+     * <li>The following string attributes are equal: publicId, systemId,
+     * internalSubset.</li>
+     * <li>The entities NamedNodeMaps are equal.</li>
+     * <li>The notations NamedNodeMaps are equal.</li>
+     * </p>
+     * On the other hand, the following do not affect equality: the
+     * ownerDocument, baseURI, and parentNode attributes, the specified
+     * attribute for Attr nodes, the schemaTypeInfo attribute for Attr and
+     * Element nodes, the Text.isElementContentWhitespace attribute for Text
+     * nodes, as well as any user data or event listeners registered on the
+     * nodes. </p>
+     * <p>
+     * Note: As a general rule, anything not mentioned in the description above
+     * is not significant in consideration of equality checking. Note that
+     * future versions of this specification may take into account more
+     * attributes and implementations conform to this specification are expected
+     * to be updated accordingly.
+     * </p>
+     * 
+     * @param arg
+     *            the node to compare equality with.
+     * @return true, if the nodes are equal, false otherwise.
+     */
+    public boolean isEqualNode(Node arg) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * This method returns a specialized object which implements the specialized
+     * APIs of the specified feature and version, as specified in. The
+     * specialized object may also be obtained by using binding-specific casting
+     * methods but is not necessarily expected to, as discussed in. This method
+     * also allow the implementation to provide specialized objects which do not
+     * support the Node interface.
+     * </p>
+     * 
+     * @param feature
+     *            the name of the feature requested. Note that any plus sign "+"
+     *            prepended to the name of the feature will be ignored since it
+     *            is not significant in the context of this method.
+     * @param version
+     *            this is the version number of the feature to test.
+     * @return the object which implements the specialized APIs of the specified
+     *         feature and version, if any, or null if there is no object which
+     *         implements interfaces associated with that feature. If the
+     *         DOMObject returned by this method implements the Node interface,
+     *         it must delegate to the primary core Node and not return results
+     *         inconsistent with the primary core Node such as attributes,
+     *         childNodes, etc.
+     */
+    public Object getFeature(String feature, String version) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    // ???AWT
+    /*
+     * public Object setUserData(String key, Object data, UserDataHandler
+     * handler) { throw new DOMException(DOMException.NOT_SUPPORTED_ERR,
+     * "Method not supported"); }
+     */
+
+    /**
+     * <i>Description copied from interface: org.w3c.dom.Node (DOM Level 3)</i>
+     * <p>
+     * Retrieves the object associated to a key on a this node. The object must
+     * first have been set to this node by calling setUserData with the same
+     * key.
+     * </p>
+     * 
+     * @param key
+     *            the key the object is associated to.
+     * @return the DOMUserData associated to the given key on this node, or null
+     *         if there was none.
+     */
+    public Object getUserData(String key) {
+        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+    }
+
+    public Node item(int index) {
+        if (index < 0 || index >= nChildren) {
+            return null;
+        }
+
+        Node n;
+        for (n = getFirstChild(); index > 0; index--) {
+            n = n.getNextSibling();
+        }
+
+        return n;
+    }
+
+    public int getLength() {
+        return nChildren;
+    }
+
+    /**
+     * Gets the user object associated with this node.
+     * 
+     * @return the user object associated with this node.
+     */
+    public Object getUserObject() {
+        return userObject;
+    }
+
+    /**
+     * Sets the user object associated with this node.
+     * 
+     * @param userObject
+     *            the new user object associated with this node.
+     */
+    public void setUserObject(Object userObject) {
+        this.userObject = userObject;
+    }
+
+    /**
+     * The Class IIOMetadataAttr.
+     */
+    private class IIOMetadataAttr extends IIOMetadataNode implements Attr {
+
+        /**
+         * The owner element.
+         */
+        private Element ownerElement;
+
+        /**
+         * Instantiates a new iIO metadata attr.
+         * 
+         * @param name
+         *            the name.
+         * @param value
+         *            the value.
+         * @param owner
+         *            the owner.
+         */
+        public IIOMetadataAttr(String name, String value, Element owner) {
+            super(name, value);
+            this.ownerElement = owner;
+        }
+
+        public String getName() {
+            return getNodeName();
+        }
+
+        public boolean getSpecified() {
+            return true;
+        }
+
+        public String getValue() {
+            return nodeValue;
+        }
+
+        public void setValue(String value) throws DOMException {
+            nodeValue = value;
+        }
+
+        public Element getOwnerElement() {
+            return ownerElement;
+        }
+
+        /**
+         * Sets the owner element.
+         * 
+         * @param ownerElement
+         *            the new owner element.
+         */
+        public void setOwnerElement(Element ownerElement) {
+            this.ownerElement = ownerElement;
+        }
+
+        /**
+         * @return
+         */
+        public boolean isId() {
+            throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Method not supported");
+        }
+
+        @Override
+        public short getNodeType() {
+            return ATTRIBUTE_NODE;
+        }
+    }
+
+    /**
+     * The Class IIOMetadataNodeList.
+     */
+    private class IIOMetadataNodeList implements NodeList, NamedNodeMap {
+
+        /**
+         * The list.
+         */
+        private List<IIOMetadataNode> list;
+
+        /**
+         * Instantiates a new iIO metadata node list.
+         * 
+         * @param list
+         *            the list.
+         */
+        IIOMetadataNodeList(List<IIOMetadataNode> list) {
+            this.list = list;
+        }
+
+        public Node item(int index) {
+            try {
+                return list.get(index);
+            } catch (IndexOutOfBoundsException e) {
+                return null;
+            }
+        }
+
+        public int getLength() {
+            return list.size();
+        }
+
+        public Node getNamedItem(String name) {
+            for (IIOMetadataNode node : list) {
+                if (name.equals(node.getNodeName())) {
+                    return node;
+                }
+            }
+            return null;
+        }
+
+        public Node setNamedItem(Node arg) throws DOMException {
+            throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
+                    "This NamedNodeMap is read-only!");
+        }
+
+        public Node removeNamedItem(String name) throws DOMException {
+            throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
+                    "This NamedNodeMap is read-only!");
+        }
+
+        public Node getNamedItemNS(String namespaceURI, String localName) throws DOMException {
+            return getNamedItem(localName);
+        }
+
+        public Node setNamedItemNS(Node arg) throws DOMException {
+            throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
+                    "This NamedNodeMap is read-only!");
+        }
+
+        public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
+            throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
+                    "This NamedNodeMap is read-only!");
+        }
+    }
+}
diff --git a/awt/javax/imageio/metadata/IIOStandardMetadataFormat.java b/awt/javax/imageio/metadata/IIOStandardMetadataFormat.java
new file mode 100644
index 0000000..706cb2f
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOStandardMetadataFormat.java
@@ -0,0 +1,297 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.metadata;
+
+import javax.imageio.ImageTypeSpecifier;
+import java.util.ArrayList;
+
+/**
+ * The class IIOStandardMetadataFormat describes the rules of the standard
+ * metadata format.
+ * 
+ * @since Android 1.0
+ */
+class IIOStandardMetadataFormat extends IIOMetadataFormatImpl {
+
+    /**
+     * Instantiates a new IIOStandardMetadataFormat.
+     */
+    public IIOStandardMetadataFormat() {
+        super(standardMetadataFormatName, CHILD_POLICY_SOME);
+        buildDTD();
+    }
+
+    @Override
+    public boolean canNodeAppear(String elementName, ImageTypeSpecifier imageType) {
+        return true;
+    }
+
+    /**
+     * Builds the DTD that describes the standard metadata format.
+     */
+    private void buildDTD() {
+        // CHROMA
+        addElement("Chroma", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("ColorSpaceType", "Chroma", CHILD_POLICY_EMPTY);
+
+        ArrayList<String> values = new ArrayList<String>(27);
+        values.add("XYZ");
+        values.add("Lab");
+        values.add("Luv");
+        values.add("YCbCr");
+        values.add("Yxy");
+        values.add("YCCK");
+        values.add("PhotoYCC");
+        values.add("RGB");
+        values.add("GRAY");
+        values.add("HSV");
+        values.add("HLS");
+        values.add("CMYK");
+        values.add("CMY");
+        values.add("2CLR");
+        values.add("3CLR");
+        values.add("4CLR");
+        values.add("5CLR");
+        values.add("6CLR");
+        values.add("7CLR");
+        values.add("8CLR");
+        values.add("9CLR");
+        values.add("ACLR");
+        values.add("BCLR");
+        values.add("CCLR");
+        values.add("DCLR");
+        values.add("ECLR");
+        values.add("FCLR");
+        addAttribute("ColorSpaceType", "name", DATATYPE_STRING, true, null, values);
+
+        addElement("NumChannels", "Chroma", CHILD_POLICY_EMPTY);
+        addAttribute("NumChannels", "value", DATATYPE_INTEGER, true, 0, Integer.MAX_VALUE); // list
+        // -
+        // why
+        // ?
+
+        addElement("Gamma", "Chroma", CHILD_POLICY_EMPTY);
+        addAttribute("Gamma", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("BlackIsZero", "Chroma", CHILD_POLICY_EMPTY);
+        addBooleanAttribute("BlackIsZero", "value", true, true);
+
+        addElement("Palette", "Chroma", 0, Integer.MAX_VALUE); // CHILD_POLICY_REPEAT
+        addElement("PaletteEntry", "Palette", CHILD_POLICY_EMPTY);
+        addAttribute("PaletteEntry", "index", DATATYPE_INTEGER, true, null);
+        addAttribute("PaletteEntry", "red", DATATYPE_INTEGER, true, null);
+        addAttribute("PaletteEntry", "green", DATATYPE_INTEGER, true, null);
+        addAttribute("PaletteEntry", "blue", DATATYPE_INTEGER, true, null);
+        addAttribute("PaletteEntry", "alpha", DATATYPE_INTEGER, false, "255");
+
+        addElement("BackgroundIndex", "Chroma", CHILD_POLICY_EMPTY);
+        addAttribute("BackgroundIndex", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("BackgroundColor", "Chroma", CHILD_POLICY_EMPTY);
+        addAttribute("BackgroundColor", "red", DATATYPE_INTEGER, true, null);
+        addAttribute("BackgroundColor", "green", DATATYPE_INTEGER, true, null);
+        addAttribute("BackgroundColor", "blue", DATATYPE_INTEGER, true, null);
+
+        // COMPRESSION
+        addElement("Compression", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("CompressionTypeName", "Compression", CHILD_POLICY_EMPTY);
+        addAttribute("CompressionTypeName", "value", DATATYPE_STRING, true, null);
+
+        addElement("Lossless", "Compression", CHILD_POLICY_EMPTY);
+        addBooleanAttribute("Lossless", "value", true, true);
+
+        addElement("NumProgressiveScans", "Compression", CHILD_POLICY_EMPTY);
+        addAttribute("NumProgressiveScans", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("BitRate", "Compression", CHILD_POLICY_EMPTY);
+        addAttribute("BitRate", "value", DATATYPE_FLOAT, true, null);
+
+        // DATA
+        addElement("Data", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("PlanarConfiguration", "Data", CHILD_POLICY_EMPTY);
+        values = new ArrayList<String>(4);
+        values.add("PixelInterleaved");
+        values.add("PlaneInterleaved");
+        values.add("LineInterleaved");
+        values.add("TileInterleaved");
+        addAttribute("PlanarConfiguration", "value", DATATYPE_STRING, true, null, values);
+
+        addElement("SampleFormat", "Data", CHILD_POLICY_EMPTY);
+        values = new ArrayList<String>(4);
+        values.add("SignedIntegral");
+        values.add("UnsignedIntegral");
+        values.add("Real");
+        values.add("Index");
+        addAttribute("SampleFormat", "value", DATATYPE_STRING, true, null, values);
+
+        addElement("BitsPerSample", "Data", CHILD_POLICY_EMPTY);
+        addAttribute("BitsPerSample", "value", DATATYPE_INTEGER, true, 1, Integer.MAX_VALUE); // list
+
+        addElement("SignificantBitsPerSample", "Data", CHILD_POLICY_EMPTY);
+        addAttribute("SignificantBitsPerSample", "value", DATATYPE_INTEGER, true, 1,
+                Integer.MAX_VALUE); // list
+
+        addElement("SampleMSB", "Data", CHILD_POLICY_EMPTY);
+        addAttribute("SampleMSB", "value", DATATYPE_INTEGER, true, 1, Integer.MAX_VALUE); // list
+
+        // DIMENSION
+        addElement("Dimension", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("PixelAspectRatio", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("PixelAspectRatio", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("ImageOrientation", "Dimension", CHILD_POLICY_EMPTY);
+        values = new ArrayList<String>(8);
+        values.add("Normal");
+        values.add("Rotate90");
+        values.add("Rotate180");
+        values.add("Rotate270");
+        values.add("FlipH");
+        values.add("FlipV");
+        values.add("FlipHRotate90");
+        values.add("FlipVRotate90");
+        addAttribute("ImageOrientation", "value", DATATYPE_STRING, true, null, values);
+
+        addElement("HorizontalPixelSize", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("HorizontalPixelSize", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("VerticalPixelSize", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("VerticalPixelSize", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("HorizontalPhysicalPixelSpacing", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("HorizontalPhysicalPixelSpacing", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("VerticalPhysicalPixelSpacing", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("VerticalPhysicalPixelSpacing", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("HorizontalPosition", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("HorizontalPosition", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("VerticalPosition", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("VerticalPosition", "value", DATATYPE_FLOAT, true, null);
+
+        addElement("HorizontalPixelOffset", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("HorizontalPixelOffset", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("VerticalPixelOffset", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("VerticalPixelOffset", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("HorizontalScreenSize", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("HorizontalScreenSize", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("VerticalScreenSize", "Dimension", CHILD_POLICY_EMPTY);
+        addAttribute("VerticalScreenSize", "value", DATATYPE_INTEGER, true, null);
+
+        // DOCUMENT
+        addElement("Document", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("FormatVersion", "Document", CHILD_POLICY_EMPTY);
+        addAttribute("FormatVersion", "value", DATATYPE_STRING, true, null);
+
+        addElement("SubimageInterpretation", "Document", CHILD_POLICY_EMPTY);
+        values = new ArrayList<String>(14);
+        values.add("Standalone");
+        values.add("SinglePage");
+        values.add("FullResolution");
+        values.add("ReducedResolution");
+        values.add("PyramidLayer");
+        values.add("Preview");
+        values.add("VolumeSlice");
+        values.add("ObjectView");
+        values.add("Panorama");
+        values.add("AnimationFrame");
+        values.add("TransparencyMask");
+        values.add("CompositingLayer");
+        values.add("SpectralSlice");
+        values.add("Unknown");
+        addAttribute("SubimageInterpretation", "value", DATATYPE_STRING, true, null, values);
+
+        addElement("ImageCreationTime", "Document", CHILD_POLICY_EMPTY);
+        addAttribute("ImageCreationTime", "year", DATATYPE_INTEGER, true, null);
+        addAttribute("ImageCreationTime", "month", DATATYPE_INTEGER, true, null, "1", "12", true,
+                true);
+        addAttribute("ImageCreationTime", "day", DATATYPE_INTEGER, true, null, "1", "31", true,
+                true);
+        addAttribute("ImageCreationTime", "hour", DATATYPE_INTEGER, false, "0", "0", "23", true,
+                true);
+        addAttribute("ImageCreationTime", "minute", DATATYPE_INTEGER, false, "0", "0", "59", true,
+                true);
+        addAttribute("ImageCreationTime", "second", DATATYPE_INTEGER, false, "0", "0", "60", true,
+                true);
+
+        addElement("ImageModificationTime", "Document", CHILD_POLICY_EMPTY);
+        addAttribute("ImageModificationTime", "year", DATATYPE_INTEGER, true, null);
+        addAttribute("ImageModificationTime", "month", DATATYPE_INTEGER, true, null, "1", "12",
+                true, true);
+        addAttribute("ImageModificationTime", "day", DATATYPE_INTEGER, true, null, "1", "31", true,
+                true);
+        addAttribute("ImageModificationTime", "hour", DATATYPE_INTEGER, false, "0", "0", "23",
+                true, true);
+        addAttribute("ImageModificationTime", "minute", DATATYPE_INTEGER, false, "0", "0", "59",
+                true, true);
+        addAttribute("ImageModificationTime", "second", DATATYPE_INTEGER, false, "0", "0", "60",
+                true, true);
+
+        // TEXT
+        addElement("Text", standardMetadataFormatName, 0, Integer.MAX_VALUE); // CHILD_POLICY_REPEAT
+
+        addElement("TextEntry", "Text", CHILD_POLICY_EMPTY);
+        addAttribute("TextEntry", "keyword", DATATYPE_STRING, false, null);
+        addAttribute("TextEntry", "value", DATATYPE_STRING, true, null);
+        addAttribute("TextEntry", "language", DATATYPE_STRING, false, null);
+        addAttribute("TextEntry", "encoding", DATATYPE_STRING, false, null);
+        values = new ArrayList<String>(5);
+        values.add("none");
+        values.add("lzw");
+        values.add("zip");
+        values.add("bzip");
+        values.add("other");
+        addAttribute("TextEntry", "compression", DATATYPE_STRING, false, "none", values);
+
+        // TRANSPARENCY
+        addElement("Transparency", standardMetadataFormatName, CHILD_POLICY_SOME);
+
+        addElement("Alpha", "Transparency", CHILD_POLICY_EMPTY);
+        values = new ArrayList<String>(3);
+        values.add("none");
+        values.add("premultiplied");
+        values.add("nonpremultiplied");
+        addAttribute("Alpha", "value", DATATYPE_STRING, false, "none", values);
+
+        addElement("TransparentIndex", "Transparency", CHILD_POLICY_EMPTY);
+        addAttribute("TransparentIndex", "value", DATATYPE_INTEGER, true, null);
+
+        addElement("TransparentColor", "Transparency", CHILD_POLICY_EMPTY);
+        addAttribute("TransparentColor", "value", DATATYPE_INTEGER, true, 0, Integer.MAX_VALUE);
+
+        addElement("TileTransparencies", "Transparency", 0, Integer.MAX_VALUE); // CHILD_POLICY_REPEAT
+
+        addElement("TransparentTile", "TileTransparencies", CHILD_POLICY_EMPTY);
+        addAttribute("TransparentTile", "x", DATATYPE_INTEGER, true, null);
+        addAttribute("TransparentTile", "y", DATATYPE_INTEGER, true, null);
+
+        addElement("TileOpacities", "Transparency", 0, Integer.MAX_VALUE); // CHILD_POLICY_REPEAT
+
+        addElement("OpaqueTile", "TileOpacities", CHILD_POLICY_EMPTY);
+        addAttribute("OpaqueTile", "x", DATATYPE_INTEGER, true, null);
+        addAttribute("OpaqueTile", "y", DATATYPE_INTEGER, true, null);
+    }
+}
diff --git a/awt/javax/imageio/metadata/IIOStandardMetadataFormatResources.properties b/awt/javax/imageio/metadata/IIOStandardMetadataFormatResources.properties
new file mode 100644
index 0000000..d185808
--- /dev/null
+++ b/awt/javax/imageio/metadata/IIOStandardMetadataFormatResources.properties
@@ -0,0 +1,133 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Descriptions of elements and attributes of the plugin neutral metadata format
+# (see IIOStandardMetadataFormat)
+
+# Messages for EN locale
+Chroma=Chroma (color) information
+ColorSpaceType=The raw color space of the image
+ColorSpaceType/name=The raw color space of the image
+NumChannels=The number of channels in the raw image, including alpha
+NumChannels/value=The number of channels in the raw image, including alpha
+Gamma=The image gamma
+Gamma/value=The image gamma
+BlackIsZero=True if smaller values represent darker shades
+BlackIsZero/value=True if smaller values represent darker shades
+Palette=Palette-color information
+PaletteEntry=A palette entry
+PaletteEntry/index=The index of the palette entry
+PaletteEntry/red=The red value for the palette entry
+PaletteEntry/green=The green value for the palette entry
+PaletteEntry/blue=The blue value for the palette entry
+PaletteEntry/alpha=The alpha value for the palette entry
+BackgroundIndex=A palette index to be used as a background
+BackgroundIndex/value=A palette index to be used as a background
+BackgroundColor=An RGB triple to be used as a background
+BackgroundColor/red=The red background value
+BackgroundColor/green=The green background value
+BackgroundColor/blue=The blue background value
+
+Compression=Compression information
+CompressionTypeName=The name of the compression scheme in use
+CompressionTypeName/value=The name of the compression scheme in use
+Lossless=True if the compression scheme is lossless
+Lossless/value=True if the compression scheme is lossless
+NumProgressiveScans=The number of progressive scans used in the image encoding
+NumProgressiveScans/value=The number of progressive scans used in the image encoding
+BitRate=The estimated bit rate of the compression scheme
+BitRate/value=The estimated bit rate of the compression scheme
+
+Data=Information on the image layout
+PlanarConfiguration=The organization of image samples in the stream
+PlanarConfiguration/value=The organization of image samples in the stream
+SampleFormat=The numeric format of image samples
+SampleFormat/value=The numeric format of image samples
+BitsPerSample=The number of bits per sample
+BitsPerSample/value=A list of integers, one per channel
+SignificantBitsPerSample=The number of significant bits per sample
+SignificantBitsPerSample/value=A list of integers, one per channel
+SampleMSB=The position of the most significant bit of each sample
+SampleMSB/value=A list of integers, one per channel
+
+Dimension=Dimension information
+PixelAspectRatio=The width of a pixel divided by its height
+PixelAspectRatio/value=The width of a pixel divided by its height
+ImageOrientation=The desired orientation of the image in terms of flips and counter-clockwise rotations
+ImageOrientation/value=The desired orientation of the image in terms of flips and counter-clockwise rotations
+HorizontalPixelSize=The width of a pixel, in millimeters, as it should be rendered on media
+HorizontalPixelSize/value=The width of a pixel, in millimeters, as it should be rendered on media
+VerticalPixelSize=The height of a pixel, in millimeters, as it should be rendered on media
+VerticalPixelSize/value=The height of a pixel, in millimeters, as it should be rendered on media
+HorizontalPhysicalPixelSpacing=The horizontal distance in the subject of the image, in millimeters, represented by one pixel at the center of the image
+HorizontalPhysicalPixelSpacing/value=The horizontal distance in the subject of the image, in millimeters, represented by one pixel at the center of the image
+VerticalPhysicalPixelSpacing=The vertical distance in the subject of the image, in millimeters, represented by one pixel at the center of the image
+VerticalPhysicalPixelSpacing/value=The vertical distance in the subject of the image, in millimeters, represented by one pixel at the center of the image
+HorizontalPosition=The horizontal position, in millimeters, where the image should be rendered on media
+HorizontalPosition/value=The horizontal position, in millimeters, where the image should be rendered on media
+VerticalPosition=The vertical position, in millimeters, where the image should be rendered on media
+VerticalPosition/value=The vertical position, in millimeters, where the image should be rendered on media
+HorizontalPixelOffset=The horizonal position, in pixels, where the image should be rendered onto a raster display
+HorizontalPixelOffset/value=The horizonal position, in pixels, where the image should be rendered onto a raster display
+VerticalPixelOffset=The vertical position, in pixels, where the image should be rendered onto a raster display
+VerticalPixelOffset/value=The vertical position, in pixels, where the image should be rendered onto a raster display
+HorizontalScreenSize=The width, in pixels, of the raster display into which the image should be rendered
+HorizontalScreenSize/value=The width, in pixels, of the raster display into which the image should be rendered
+VerticalScreenSize=The height, in pixels, of the raster display into which the image should be rendered
+VerticalScreenSize/value=The height, in pixels, of the raster display into which the image should be rendered
+
+Document=Document information
+FormatVersion=The version of the format used by the stream
+FormatVersion/value=The version of the format used by the stream
+SubimageInterpretation=The interpretation of this image in relation to the other images stored in the same stream
+SubimageInterpretation/value=The interpretation of this image in relation to the other images stored in the same stream
+ImageCreationTime=The time of image creation
+ImageCreationTime/year=The full year (e.g., 1967, not 67)
+ImageCreationTime/month=The month, with January = 1
+ImageCreationTime/day=The day of the month
+ImageCreationTime/hour=The hour from 0 to 23
+ImageCreationTime/minute=The minute from 0 to 59
+ImageCreationTime/second=The second from 0 to 60 (60 = leap second)
+ImageModificationTime=The time of the last image modification
+ImageModificationTime/year=The full year (e.g., 1967, not 67)
+ImageModificationTime/month=The month, with January = 1
+ImageModificationTime/day=The day of the month
+ImageModificationTime/hour=The hour from 0 to 23
+ImageModificationTime/minute=The minute from 0 to 59
+ImageModificationTime/second=The second from 0 to 60 (60 = leap second)
+
+Text=Text information
+TextEntry=A text entry
+TextEntry/keyword=A keyword associated with the text entry
+TextEntry/value=the text entry
+TextEntry/language=The language of the text
+TextEntry/encoding=The encoding of the text
+TextEntry/compression=The method used to compress the text
+
+Transparency=Transparency information
+Alpha=The type of alpha information contained in the image
+Alpha/value=The type of alpha information contained in the image
+TransparentIndex=A palette index to be treated as transparent
+TransparentIndex/value=A palette index to be treated as transparent
+TransparentColor=An RGB color to be treated as transparent
+TransparentColor/value=An RGB color to be treated as transparent
+TileTransparencies=A list of completely transparent tiles
+TransparentTile=The index of a completely transparent tile
+TransparentTile/x=The tile's X index
+TransparentTile/y=The tile's Y index
+TileOpacities=A list of completely opaque tiles
+OpaqueTile=The index of a completely opaque tile
+OpaqueTile/x=The tile's X index
+OpaqueTile/y=The tile's Y index
diff --git a/awt/javax/imageio/metadata/package.html b/awt/javax/imageio/metadata/package.html
new file mode 100644
index 0000000..29bd51b
--- /dev/null
+++ b/awt/javax/imageio/metadata/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package contains classes which allows to read and write describing metadata of image files.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/package.html b/awt/javax/imageio/package.html
new file mode 100644
index 0000000..2fd6148
--- /dev/null
+++ b/awt/javax/imageio/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package contains classes and interfaces which provides an Image I/O API. The contained classes and interfaces allow reading and writing image files of different formats.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/plugins/bmp/BMPImageWriteParam.java b/awt/javax/imageio/plugins/bmp/BMPImageWriteParam.java
new file mode 100644
index 0000000..ecfb20a
--- /dev/null
+++ b/awt/javax/imageio/plugins/bmp/BMPImageWriteParam.java
@@ -0,0 +1,79 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.plugins.bmp;
+
+import javax.imageio.ImageWriteParam;
+import java.util.Locale;
+
+/**
+ * The BMPImageWriteParam class allows encoding an image in BMP format.
+ * 
+ * @since Android 1.0
+ */
+public class BMPImageWriteParam extends ImageWriteParam {
+
+    /**
+     * The top down.
+     */
+    private boolean topDown; // Default is bottom-up
+
+    /**
+     * Instantiates a new BMPImageWriteParam with default values of all
+     * parameters.
+     */
+    public BMPImageWriteParam() {
+        this(null);
+    }
+
+    /**
+     * Instantiates a new BMPImageWriteParam with the specified Locale.
+     * 
+     * @param locale
+     *            the specified Locale.
+     */
+    public BMPImageWriteParam(Locale locale) {
+        super(locale);
+
+        // Set the compression
+        canWriteCompressed = true;
+        compressionTypes = new String[] {
+                "BI_RGB", "BI_RLE8", "BI_RLE4", "BI_BITFIELDS"
+        };
+        compressionType = compressionTypes[0];
+    }
+
+    /**
+     * Sets true if the data will be written in a top-down order, false
+     * otherwise.
+     * 
+     * @param topDown
+     *            the new top-down value.
+     */
+    public void setTopDown(boolean topDown) {
+        this.topDown = topDown;
+    }
+
+    /**
+     * Returns true if the data is written in top-down order, false otherwise.
+     * 
+     * @return true if the data is written in top-down order, false otherwise.
+     */
+    public boolean isTopDown() {
+        return topDown;
+    }
+}
diff --git a/awt/javax/imageio/plugins/bmp/package.html b/awt/javax/imageio/plugins/bmp/package.html
new file mode 100644
index 0000000..9494a10
--- /dev/null
+++ b/awt/javax/imageio/plugins/bmp/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package contains auxiliary classes for the built-in BMP image plug-in.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java b/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java
new file mode 100644
index 0000000..67b504b
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java
@@ -0,0 +1,226 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.plugins.jpeg;
+
+/**
+ * The JPEGHuffmanTable class represents a single JPEG Huffman table. It
+ * contains the standard tables from the JPEG specification.
+ * 
+ * @since Android 1.0
+ */
+public class JPEGHuffmanTable {
+
+    /**
+     * The standard DC luminance Huffman table .
+     */
+    public static final JPEGHuffmanTable StdDCLuminance = new JPEGHuffmanTable(new short[] {
+            0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
+    }, new short[] {
+            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B
+    }, false);
+
+    /**
+     * The standard DC chrominance Huffman table.
+     */
+    public static final JPEGHuffmanTable StdDCChrominance = new JPEGHuffmanTable(new short[] {
+            0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
+    }, new short[] {
+            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B
+    }, false);
+
+    /**
+     * The standard AC luminance Huffman table.
+     */
+    public static final JPEGHuffmanTable StdACLuminance = new JPEGHuffmanTable(new short[] {
+            0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7D
+    }, new short[] {
+            0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51,
+            0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1,
+            0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18,
+            0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+            0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57,
+            0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
+            0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92,
+            0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+            0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3,
+            0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8,
+            0xD9, 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2,
+            0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
+    }, false);
+
+    /**
+     * The standard AC chrominance Huffman table.
+     */
+    public static final JPEGHuffmanTable StdACChrominance = new JPEGHuffmanTable(new short[] {
+            0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
+    }, new short[] {
+            0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07,
+            0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1, 0x09,
+            0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25,
+            0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38,
+            0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56,
+            0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74,
+            0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+            0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5,
+            0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA,
+            0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
+            0xD7, 0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF2,
+            0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
+    }, false);
+
+    /**
+     * The lengths.
+     */
+    private short lengths[];
+
+    /**
+     * The values.
+     */
+    private short values[];
+
+    /**
+     * Instantiates a new jPEG huffman table.
+     * 
+     * @param lengths
+     *            the lengths
+     * @param values
+     *            the values
+     * @param copy
+     *            the copy
+     */
+    JPEGHuffmanTable(short[] lengths, short[] values, boolean copy) {
+        // Construction of standard tables without checks
+        // The third param is dummy
+        // Could be also used for copying of the existing tables
+        this.lengths = lengths;
+        this.values = values;
+    }
+
+    /**
+     * Instantiates a new JPEGHuffmanTable.
+     * 
+     * @param lengths
+     *            the array of shorts lengths.
+     * @param values
+     *            the array of shorts containing the values in order of
+     *            increasing code length.
+     */
+    public JPEGHuffmanTable(short[] lengths, short[] values) {
+        if (lengths == null) {
+            throw new IllegalArgumentException("lengths array is null!");
+        }
+        if (values == null) {
+            throw new IllegalArgumentException("values array is null!");
+        }
+        if (lengths.length > 16) { // According to the spec
+            throw new IllegalArgumentException("lengths array is too long!");
+        }
+        if (values.length > 256) { // According to the spec
+            throw new IllegalArgumentException("values array is too long");
+        }
+        for (short length : lengths) {
+            if (length < 0) {
+                throw new IllegalArgumentException("Values in lengths array must be non-negative.");
+            }
+        }
+        for (short value : values) {
+            if (value < 0) {
+                throw new IllegalArgumentException("Values in values array must be non-negative.");
+            }
+        }
+
+        checkHuffmanTable(lengths, values);
+
+        this.lengths = new short[lengths.length];
+        this.values = new short[values.length];
+        System.arraycopy(lengths, 0, this.lengths, 0, lengths.length);
+        System.arraycopy(values, 0, this.values, 0, values.length);
+    }
+
+    /**
+     * Gets an array of lengths in the Huffman table.
+     * 
+     * @return the array of short values representing the length values in the
+     *         Huffman table.
+     */
+    public short[] getLengths() {
+        short newLengths[] = new short[lengths.length];
+        System.arraycopy(lengths, 0, newLengths, 0, lengths.length);
+        return newLengths;
+    }
+
+    /**
+     * Gets an array of values represented by increasing length of their codes.
+     * 
+     * @return the array of values.
+     */
+    public short[] getValues() {
+        short newValues[] = new short[values.length];
+        System.arraycopy(values, 0, newValues, 0, values.length);
+        return newValues;
+    }
+
+    /**
+     * Check huffman table.
+     * 
+     * @param lengths
+     *            the lengths.
+     * @param values
+     *            the values.
+     */
+    private static void checkHuffmanTable(short[] lengths, short[] values) {
+        int numLeaves = 0;
+        int possibleLeaves = 2;
+        for (short length : lengths) {
+            numLeaves += length;
+            possibleLeaves -= length;
+            if (possibleLeaves < 0) {
+                throw new IllegalArgumentException(
+                        "Invalid Huffman table provided, lengths are incorrect.");
+            }
+            possibleLeaves <<= 1;
+        }
+
+        if (values.length != numLeaves) {
+            throw new IllegalArgumentException(
+                    "Invalid Huffman table provided, sum of lengths != values.");
+        }
+    }
+
+    /**
+     * Returns the string representation of this JPEGHuffmanTable object.
+     * 
+     * @return the string representation of this JPEGHuffmanTable object.
+     */
+    @Override
+    public String toString() {
+        StringBuffer sb = new StringBuffer();
+
+        sb.append("JPEGHuffmanTable:\nlengths:");
+        for (short length : lengths) {
+            sb.append(' ').append(length);
+        }
+
+        sb.append("\nvalues:");
+        for (short value : values) {
+            sb.append(' ').append(value);
+        }
+
+        return sb.toString();
+    }
+}
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
new file mode 100644
index 0000000..2f3a9a8
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
@@ -0,0 +1,123 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.plugins.jpeg;
+
+import javax.imageio.ImageReadParam;
+
+/**
+ * The JPEGImageReadParam class provides functionality to set Huffman tables and
+ * quantization tables when using the JPEG reader plug-in.
+ * 
+ * @since Android 1.0
+ */
+public class JPEGImageReadParam extends ImageReadParam {
+
+    /**
+     * The q tables.
+     */
+    private JPEGQTable qTables[];
+
+    /**
+     * The dc huffman tables.
+     */
+    private JPEGHuffmanTable dcHuffmanTables[];
+
+    /**
+     * The ac huffman tables.
+     */
+    private JPEGHuffmanTable acHuffmanTables[];
+
+    /**
+     * Instantiates a new JPEGImageReadParam.
+     */
+    public JPEGImageReadParam() {
+    }
+
+    /**
+     * Returns true if tables are set, false otherwise.
+     * 
+     * @return true, if tables are set, false otherwise.
+     */
+    public boolean areTablesSet() {
+        return qTables != null;
+    }
+
+    /**
+     * Sets the quantization and Huffman tables for using in decoding streams.
+     * 
+     * @param qTables
+     *            the quantization tables.
+     * @param DCHuffmanTables
+     *            the standart DC Huffman tables.
+     * @param ACHuffmanTables
+     *            the standart AC huffman tables.
+     */
+    public void setDecodeTables(JPEGQTable[] qTables, JPEGHuffmanTable[] DCHuffmanTables,
+            JPEGHuffmanTable[] ACHuffmanTables) {
+        if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+        if (DCHuffmanTables.length != ACHuffmanTables.length) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+        if (qTables.length > 4 || DCHuffmanTables.length > 4) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+
+        // Do the shallow copy, it should be enough
+        this.qTables = qTables.clone();
+        dcHuffmanTables = DCHuffmanTables.clone();
+        acHuffmanTables = ACHuffmanTables.clone();
+    }
+
+    /**
+     * Unset all decoded tables.
+     */
+    public void unsetDecodeTables() {
+        qTables = null;
+        dcHuffmanTables = null;
+        acHuffmanTables = null;
+    }
+
+    /**
+     * Gets the quantization tables.
+     * 
+     * @return the quantization tables, or null.
+     */
+    public JPEGQTable[] getQTables() {
+        return qTables == null ? null : qTables.clone();
+    }
+
+    /**
+     * Gets the DC Huffman tables.
+     * 
+     * @return the DC Huffman tables which are set, or null.
+     */
+    public JPEGHuffmanTable[] getDCHuffmanTables() {
+        return dcHuffmanTables == null ? null : dcHuffmanTables.clone();
+    }
+
+    /**
+     * Gets the AC Huffman tables.
+     * 
+     * @return the AC Huffman tables which are set, or null.
+     */
+    public JPEGHuffmanTable[] getACHuffmanTables() {
+        return acHuffmanTables == null ? null : acHuffmanTables.clone();
+    }
+}
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java
new file mode 100644
index 0000000..b979911
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java
@@ -0,0 +1,209 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.plugins.jpeg;
+
+import org.apache.harmony.x.imageio.plugins.jpeg.JPEGConsts;
+
+import javax.imageio.ImageWriteParam;
+import java.util.Locale;
+
+/**
+ * The JPEGImageWriteParam class allows to set JPEG Huffman tables and
+ * quantization when using the JPEG writer plug-in.
+ * 
+ * @since Android 1.0
+ */
+public class JPEGImageWriteParam extends ImageWriteParam {
+
+    /**
+     * The Constant COMP_QUALITY_VALUES.
+     */
+    private static final float[] COMP_QUALITY_VALUES = {
+            0.05f, 0.75f, 0.95f
+    };
+
+    /**
+     * The Constant COMP_QUALITY_DESCRIPTIONS.
+     */
+    private static final String[] COMP_QUALITY_DESCRIPTIONS = {
+            "Minimum useful", "Visually lossless", "Maximum useful"
+    };
+
+    /**
+     * The q tables.
+     */
+    private JPEGQTable[] qTables;
+
+    /**
+     * The dc huffman tables.
+     */
+    private JPEGHuffmanTable[] dcHuffmanTables;
+
+    /**
+     * The ac huffman tables.
+     */
+    private JPEGHuffmanTable[] acHuffmanTables;
+
+    /**
+     * The optimize huffman tables.
+     */
+    private boolean optimizeHuffmanTables;
+
+    /**
+     * Instantiates a new JPEGImageWriteParam object with the specified Locale.
+     * 
+     * @param locale
+     *            the Locale.
+     */
+    public JPEGImageWriteParam(Locale locale) {
+        super(locale);
+
+        canWriteProgressive = true;
+        progressiveMode = ImageWriteParam.MODE_DISABLED;
+
+        canWriteCompressed = true;
+        compressionTypes = new String[] {
+            "JPEG"
+        };
+        compressionType = compressionTypes[0];
+        compressionQuality = JPEGConsts.DEFAULT_JPEG_COMPRESSION_QUALITY;
+    }
+
+    /**
+     * Returns true if tables are set, false otherwise.
+     * 
+     * @return true, if tables are set, false otherwise.
+     */
+    public boolean areTablesSet() {
+        return qTables != null;
+    }
+
+    /**
+     * Sets the quantization and Huffman tables for using in encoding streams.
+     * 
+     * @param qTables
+     *            the quantization tables.
+     * @param DCHuffmanTables
+     *            the standart DC Huffman tables.
+     * @param ACHuffmanTables
+     *            the standart AC huffman tables.
+     */
+    public void setEncodeTables(JPEGQTable[] qTables, JPEGHuffmanTable[] DCHuffmanTables,
+            JPEGHuffmanTable[] ACHuffmanTables) {
+        if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+        if (DCHuffmanTables.length != ACHuffmanTables.length) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+        if (qTables.length > 4 || DCHuffmanTables.length > 4) {
+            throw new IllegalArgumentException("Invalid JPEG table arrays");
+        }
+
+        // Do the shallow copy, it should be enough
+        this.qTables = qTables.clone();
+        dcHuffmanTables = DCHuffmanTables.clone();
+        acHuffmanTables = ACHuffmanTables.clone();
+    }
+
+    /**
+     * Unset all encoded tables.
+     */
+    public void unsetEncodeTables() {
+        qTables = null;
+        dcHuffmanTables = null;
+        acHuffmanTables = null;
+    }
+
+    /**
+     * Gets the DC Huffman tables.
+     * 
+     * @return the DC Huffman tables which are set, or null.
+     */
+    public JPEGHuffmanTable[] getDCHuffmanTables() {
+        return dcHuffmanTables == null ? null : dcHuffmanTables.clone();
+    }
+
+    /**
+     * Gets the AC Huffman tables.
+     * 
+     * @return the AC Huffman tables which are set, or null.
+     */
+    public JPEGHuffmanTable[] getACHuffmanTables() {
+        return acHuffmanTables == null ? null : acHuffmanTables.clone();
+    }
+
+    /**
+     * Gets the quantization tables.
+     * 
+     * @return the quantization tables, or null.
+     */
+    public JPEGQTable[] getQTables() {
+        return qTables == null ? null : qTables.clone();
+    }
+
+    @Override
+    public String[] getCompressionQualityDescriptions() {
+        super.getCompressionQualityDescriptions();
+        return COMP_QUALITY_DESCRIPTIONS.clone();
+    }
+
+    @Override
+    public float[] getCompressionQualityValues() {
+        super.getCompressionQualityValues();
+        return COMP_QUALITY_VALUES.clone();
+    }
+
+    /**
+     * Sets the flag indicated that the writer will generate optimized Huffman
+     * tables for the image as part of the writing process.
+     * 
+     * @param optimize
+     *            the flag of optimizing huffman tables.
+     */
+    public void setOptimizeHuffmanTables(boolean optimize) {
+        optimizeHuffmanTables = optimize;
+    }
+
+    /**
+     * Returns true if the writer generates optimized Huffman tables, false
+     * otherwise.
+     * 
+     * @return true, if the writer generates optimized Huffman tables, false
+     *         otherwise.
+     */
+    public boolean getOptimizeHuffmanTables() {
+        return optimizeHuffmanTables;
+    }
+
+    @Override
+    public boolean isCompressionLossless() {
+        if (getCompressionMode() != MODE_EXPLICIT) {
+            throw new IllegalStateException("Compression mode not MODE_EXPLICIT!");
+        }
+        return false;
+    }
+
+    @Override
+    public void unsetCompression() {
+        if (getCompressionMode() != MODE_EXPLICIT) {
+            throw new IllegalStateException("Compression mode not MODE_EXPLICIT!");
+        }
+        compressionQuality = JPEGConsts.DEFAULT_JPEG_COMPRESSION_QUALITY;
+    }
+}
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGQTable.java b/awt/javax/imageio/plugins/jpeg/JPEGQTable.java
new file mode 100644
index 0000000..3461d46
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/JPEGQTable.java
@@ -0,0 +1,165 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.plugins.jpeg;
+
+/**
+ * The JPEGQTable class represents a single JPEG quantization table and provides
+ * for the standard tables taken from the JPEG specification.
+ * 
+ * @since Android 1.0
+ */
+public class JPEGQTable {
+
+    /**
+     * The Constant SIZE.
+     */
+    private final static int SIZE = 64;
+
+    /**
+     * The Constant BASELINE_MAX.
+     */
+    private final static int BASELINE_MAX = 255;
+
+    /**
+     * The Constant MAX.
+     */
+    private final static int MAX = 32767;
+
+    /**
+     * The table.
+     */
+    private int[] theTable;
+
+    /*
+     * K1 & K2 tables can be found in the JPEG format specification at
+     * http://www.w3.org/Graphics/JPEG/itu-t81.pdf
+     */
+
+    /**
+     * The Constant K1LumTable.
+     */
+    private static final int[] K1LumTable = new int[] {
+            16, 11, 10, 16, 24, 40, 51, 61, 12, 12, 14, 19, 26, 58, 60, 55, 14, 13, 16, 24, 40, 57,
+            69, 56, 14, 17, 22, 29, 51, 87, 80, 62, 18, 22, 37, 56, 68, 109, 103, 77, 24, 35, 55,
+            64, 81, 104, 113, 92, 49, 64, 78, 87, 103, 121, 120, 101, 72, 92, 95, 98, 112, 100,
+            103, 99
+    };
+
+    /**
+     * The Constant K2ChrTable.
+     */
+    private static final int[] K2ChrTable = new int[] {
+            17, 18, 24, 47, 99, 99, 99, 99, 18, 21, 26, 66, 99, 99, 99, 99, 24, 26, 56, 99, 99, 99,
+            99, 99, 47, 66, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
+            99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99
+    };
+
+    /**
+     * The K1Luminance indicates standard table K.1 from JPEG specification and
+     * produces "good" quality output.
+     */
+    public static final JPEGQTable K1Luminance = new JPEGQTable(K1LumTable);
+
+    /**
+     * The K1Div2Luminance indicates K.1 table from JPEG specification with all
+     * elements divided by 2 and produces "very good" quality output.
+     */
+    public static final JPEGQTable K1Div2Luminance = K1Luminance.getScaledInstance(0.5f, true);
+
+    /**
+     * The K2Chrominance indicates K.2 table from JPEG specification and
+     * produces "good" quality output.
+     */
+    public static final JPEGQTable K2Chrominance = new JPEGQTable(K2ChrTable);
+
+    /**
+     * The Constant K2Div2Chrominance indicates K.2 table from JPEG
+     * specification with all elements divided by 2 and produces "very good"
+     * quality output.
+     */
+    public static final JPEGQTable K2Div2Chrominance = K2Chrominance.getScaledInstance(0.5f, true);;
+
+    /**
+     * Instantiates a new JPEGQTable from the array, which should contain 64
+     * elements in natural order.
+     * 
+     * @param table
+     *            the quantization table.
+     */
+    public JPEGQTable(int[] table) {
+        if (table == null) {
+            throw new IllegalArgumentException("table should not be NULL");
+        }
+        if (table.length != SIZE) {
+            throw new IllegalArgumentException("illegal table size: " + table.length);
+        }
+        theTable = table.clone();
+    }
+
+    /**
+     * Gets the current quantization table as an array of integer values.
+     * 
+     * @return the current quantization table as an array of integer values.
+     */
+    public int[] getTable() {
+        return theTable.clone();
+    }
+
+    /**
+     * Gets the scaled instance as quantization table where the values are
+     * multiplied by the scaleFactor and then clamped if forceBaseline is true.
+     * 
+     * @param scaleFactor
+     *            the scale factor of table.
+     * @param forceBaseline
+     *            the force baseline flag, the values should be clamped if true.
+     * @return the new quantization table.
+     */
+    public JPEGQTable getScaledInstance(float scaleFactor, boolean forceBaseline) {
+        int table[] = new int[SIZE];
+
+        int maxValue = forceBaseline ? BASELINE_MAX : MAX;
+
+        for (int i = 0; i < theTable.length; i++) {
+            int rounded = Math.round(theTable[i] * scaleFactor);
+            if (rounded < 1) {
+                rounded = 1;
+            }
+            if (rounded > maxValue) {
+                rounded = maxValue;
+            }
+            table[i] = rounded;
+        }
+        return new JPEGQTable(table);
+    }
+
+    /**
+     * Returns the string representation of this JPEGQTable object.
+     * 
+     * @return the string representation of this JPEGQTable object.
+     */
+    @Override
+    public String toString() {
+        // -- TODO more informative info
+        return "JPEGQTable";
+    }
+}
diff --git a/awt/javax/imageio/plugins/jpeg/package.html b/awt/javax/imageio/plugins/jpeg/package.html
new file mode 100644
index 0000000..14575c4
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package contains auxiliary classes for the built-in JPEG image plug-in.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/spi/IIORegistry.java b/awt/javax/imageio/spi/IIORegistry.java
new file mode 100644
index 0000000..01ddeaa
--- /dev/null
+++ b/awt/javax/imageio/spi/IIORegistry.java
@@ -0,0 +1,115 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import java.util.Arrays;
+
+import org.apache.harmony.x.imageio.plugins.jpeg.JPEGImageReaderSpi;
+import org.apache.harmony.x.imageio.plugins.jpeg.JPEGImageWriterSpi;
+import org.apache.harmony.x.imageio.plugins.png.PNGImageReaderSpi;
+import org.apache.harmony.x.imageio.plugins.png.PNGImageWriterSpi;
+import org.apache.harmony.x.imageio.spi.FileIISSpi;
+import org.apache.harmony.x.imageio.spi.FileIOSSpi;
+import org.apache.harmony.x.imageio.spi.InputStreamIISSpi;
+import org.apache.harmony.x.imageio.spi.OutputStreamIOSSpi;
+import org.apache.harmony.x.imageio.spi.RAFIISSpi;
+import org.apache.harmony.x.imageio.spi.RAFIOSSpi;
+
+/*
+ * @author Rustem V. Rafikov, Viskov Nikolay
+ * @version $Revision: 1.3 $
+ */
+
+/**
+ * The IIORegistry class registers service provider instances (SPI). Service
+ * provider instances are recognized by specific meta-information in the JAR
+ * files containing them. The JAR files with SPI classes are loaded from the
+ * application class path.
+ * 
+ * @since Android 1.0
+ */
+public final class IIORegistry extends ServiceRegistry {
+
+    /**
+     * The instance.
+     */
+    private static IIORegistry instance;
+
+    /**
+     * The Constant CATEGORIES.
+     */
+    private static final Class[] CATEGORIES = new Class[] {
+            javax.imageio.spi.ImageWriterSpi.class, javax.imageio.spi.ImageReaderSpi.class,
+            javax.imageio.spi.ImageInputStreamSpi.class,
+            // javax.imageio.spi.ImageTranscoderSpi.class,
+            javax.imageio.spi.ImageOutputStreamSpi.class
+    };
+
+    /**
+     * Instantiates a new IIO registry.
+     */
+    private IIORegistry() {
+        super(Arrays.<Class<?>> asList(CATEGORIES).iterator());
+        registerBuiltinSpis();
+        registerApplicationClasspathSpis();
+    }
+
+    /**
+     * Register built-in SPIs.
+     */
+    private void registerBuiltinSpis() {
+        registerServiceProvider(new JPEGImageWriterSpi());
+        registerServiceProvider(new JPEGImageReaderSpi());
+        registerServiceProvider(new PNGImageReaderSpi());
+        registerServiceProvider(new PNGImageWriterSpi());
+        registerServiceProvider(new FileIOSSpi());
+        registerServiceProvider(new FileIISSpi());
+        registerServiceProvider(new RAFIOSSpi());
+        registerServiceProvider(new RAFIISSpi());
+        registerServiceProvider(new OutputStreamIOSSpi());
+        registerServiceProvider(new InputStreamIISSpi());
+        // -- TODO implement
+    }
+
+    /**
+     * Gets the default IIORegistry instance.
+     * 
+     * @return the default IIORegistry instance.
+     */
+    public static IIORegistry getDefaultInstance() {
+        // TODO implement own instance for each ThreadGroup (see also
+        // ThreadLocal)
+        synchronized (IIORegistry.class) {
+            if (instance == null) {
+                instance = new IIORegistry();
+            }
+            return instance;
+        }
+    }
+
+    /**
+     * Registers all service providers from the application class path.
+     */
+    public void registerApplicationClasspathSpis() {
+        // -- TODO implement for non-builtin plugins
+    }
+}
diff --git a/awt/javax/imageio/spi/IIOServiceProvider.java b/awt/javax/imageio/spi/IIOServiceProvider.java
new file mode 100644
index 0000000..e947677
--- /dev/null
+++ b/awt/javax/imageio/spi/IIOServiceProvider.java
@@ -0,0 +1,105 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import java.util.Locale;
+
+/**
+ * The IIOServiceProvider abstract class provides base functionality for ImageIO
+ * service provider interfaces (SPIs).
+ * 
+ * @since Android 1.0
+ */
+public abstract class IIOServiceProvider implements RegisterableService {
+
+    /**
+     * The vendor name of this service provider.
+     */
+    protected String vendorName;
+
+    /**
+     * The version of this service provider.
+     */
+    protected String version;
+
+    /**
+     * Instantiates a new IIOServiceProvider.
+     * 
+     * @param vendorName
+     *            the vendor name of service provider.
+     * @param version
+     *            the version of service provider.
+     */
+    public IIOServiceProvider(String vendorName, String version) {
+        if (vendorName == null) {
+            throw new NullPointerException("vendor name cannot be NULL");
+        }
+        if (version == null) {
+            throw new NullPointerException("version name cannot be NULL");
+        }
+        this.vendorName = vendorName;
+        this.version = version;
+    }
+
+    /**
+     * Instantiates a new IIOServiceProvider.
+     */
+    public IIOServiceProvider() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    public void onRegistration(ServiceRegistry registry, Class<?> category) {
+        // the default impl. does nothing
+    }
+
+    public void onDeregistration(ServiceRegistry registry, Class<?> category) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets the vendor name of this service provider.
+     * 
+     * @return the vendor name of this service provider.
+     */
+    public String getVendorName() {
+        return vendorName;
+    }
+
+    /**
+     * Gets the version of this service provider.
+     * 
+     * @return the version of this service provider.
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * Gets a description of this service provider. The result string should be
+     * localized for the specified Locale.
+     * 
+     * @param locale
+     *            the specified Locale.
+     * @return the description of this service provider.
+     */
+    public abstract String getDescription(Locale locale);
+}
diff --git a/awt/javax/imageio/spi/ImageInputStreamSpi.java b/awt/javax/imageio/spi/ImageInputStreamSpi.java
new file mode 100644
index 0000000..fc859a8
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageInputStreamSpi.java
@@ -0,0 +1,131 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.stream.ImageInputStream;
+
+/**
+ * The ImageInputStreamSpi abstract class is a service provider interface (SPI)
+ * for ImageInputStreams.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageInputStreamSpi extends IIOServiceProvider implements RegisterableService {
+
+    /**
+     * The input class.
+     */
+    protected Class<?> inputClass;
+
+    /**
+     * Instantiates a new ImageInputStreamSpi.
+     */
+    protected ImageInputStreamSpi() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Instantiates a new ImageInputStreamSpi.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     * @param inputClass
+     *            the input class.
+     */
+    public ImageInputStreamSpi(String vendorName, String version, Class<?> inputClass) {
+        super(vendorName, version);
+        this.inputClass = inputClass;
+    }
+
+    /**
+     * Gets an input Class object that represents class or interface that must
+     * be implemented by an input source.
+     * 
+     * @return the input class.
+     */
+    public Class<?> getInputClass() {
+        return inputClass;
+    }
+
+    /**
+     * Returns true if the ImageInputStream can use a cache file. If this method
+     * returns false, the value of the useCache parameter of
+     * createInputStreamInstance will be ignored. The default implementation
+     * returns false.
+     * 
+     * @return true, if the ImageInputStream can use a cache file, false
+     *         otherwise.
+     */
+    public boolean canUseCacheFile() {
+        return false; // -- def
+    }
+
+    /**
+     * Returns true if the ImageInputStream implementation requires the use of a
+     * cache file. The default implementation returns false.
+     * 
+     * @return true, if the ImageInputStream implementation requires the use of
+     *         a cache file, false otherwise.
+     */
+    public boolean needsCacheFile() {
+        return false; // def
+    }
+
+    /**
+     * Creates the ImageInputStream associated with this service provider. The
+     * input object should be an instance of the class returned by the
+     * getInputClass method. This method uses the specified directory for the
+     * cache file if the useCache parameter is true.
+     * 
+     * @param input
+     *            the input Object.
+     * @param useCache
+     *            the flag indicating if a cache file is needed or not.
+     * @param cacheDir
+     *            the cache directory.
+     * @return the ImageInputStream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract ImageInputStream createInputStreamInstance(Object input, boolean useCache,
+            File cacheDir) throws IOException;
+
+    /**
+     * Creates the ImageInputStream associated with this service provider. The
+     * input object should be an instance of the class returned by getInputClass
+     * method. This method uses the default system directory for the cache file,
+     * if it is needed.
+     * 
+     * @param input
+     *            the input Object.
+     * @return the ImageInputStream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public ImageInputStream createInputStreamInstance(Object input) throws IOException {
+        return createInputStreamInstance(input, true, null);
+    }
+}
diff --git a/awt/javax/imageio/spi/ImageOutputStreamSpi.java b/awt/javax/imageio/spi/ImageOutputStreamSpi.java
new file mode 100644
index 0000000..b7a9a5c
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageOutputStreamSpi.java
@@ -0,0 +1,132 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import javax.imageio.stream.ImageOutputStream;
+import java.io.IOException;
+import java.io.File;
+
+/**
+ * The ImageOutputStreamSpi abstract class is a service provider interface (SPI)
+ * for ImageOutputStreams.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageOutputStreamSpi extends IIOServiceProvider implements
+        RegisterableService {
+
+    /**
+     * The output class.
+     */
+    protected Class<?> outputClass;
+
+    /**
+     * Instantiates a new ImageOutputStreamSpi.
+     */
+    protected ImageOutputStreamSpi() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Instantiates a new ImageOutputStreamSpi.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     * @param outputClass
+     *            the output class.
+     */
+    public ImageOutputStreamSpi(String vendorName, String version, Class<?> outputClass) {
+        super(vendorName, version);
+        this.outputClass = outputClass;
+    }
+
+    /**
+     * Gets an output Class object that represents the class or interface that
+     * must be implemented by an output source.
+     * 
+     * @return the output class.
+     */
+    public Class<?> getOutputClass() {
+        return outputClass;
+    }
+
+    /**
+     * Returns true if the ImageOutputStream can use a cache file. If this
+     * method returns false, the value of the useCache parameter of
+     * createOutputStreamInstance will be ignored. The default implementation
+     * returns false.
+     * 
+     * @return true, if the ImageOutputStream can use a cache file, false
+     *         otherwise.
+     */
+    public boolean canUseCacheFile() {
+        return false; // def
+    }
+
+    /**
+     * Returns true if the ImageOutputStream implementation requires the use of
+     * a cache file. The default implementation returns false.
+     * 
+     * @return true, if the ImageOutputStream implementation requires the use of
+     *         a cache file, false otherwise.
+     */
+    public boolean needsCacheFile() {
+        return false; // def
+    }
+
+    /**
+     * Creates the ImageOutputStream associated with this service provider. The
+     * output object should be an instance of the class returned by
+     * getOutputClass method. This method uses the default system directory for
+     * the cache file, if it is needed.
+     * 
+     * @param output
+     *            the output Object.
+     * @return the ImageOutputStream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public ImageOutputStream createOutputStreamInstance(Object output) throws IOException {
+        return createOutputStreamInstance(output, true, null);
+    }
+
+    /**
+     * Creates the ImageOutputStream associated with this service provider. The
+     * output object should be an instance of the class returned by
+     * getInputClass method. This method uses the specified directory for the
+     * cache file, if the useCache parameter is true.
+     * 
+     * @param output
+     *            the output Object.
+     * @param useCache
+     *            the flag indicating if cache file is needed or not.
+     * @param cacheDir
+     *            the cache directory.
+     * @return the ImageOutputStream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract ImageOutputStream createOutputStreamInstance(Object output, boolean useCache,
+            File cacheDir) throws IOException;
+}
diff --git a/awt/javax/imageio/spi/ImageReaderSpi.java b/awt/javax/imageio/spi/ImageReaderSpi.java
new file mode 100644
index 0000000..0528d25
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageReaderSpi.java
@@ -0,0 +1,204 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.ImageReader;
+import java.io.IOException;
+
+/**
+ * The ImageReaderSpi abstract class is a service provider interface (SPI) for
+ * ImageReaders.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageReaderSpi extends ImageReaderWriterSpi {
+
+    /**
+     * The STANDARD_INPUT_TYPE contains ImageInputStream.class.
+     */
+    public static final Class[] STANDARD_INPUT_TYPE = new Class[] {
+        ImageInputStream.class
+    };
+
+    /**
+     * The input types.
+     */
+    protected Class[] inputTypes;
+
+    /**
+     * The writer SPI names.
+     */
+    protected String[] writerSpiNames;
+
+    /**
+     * Instantiates a new ImageReaderSpi.
+     */
+    protected ImageReaderSpi() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Instantiates a new ImageReaderSpi.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     * @param names
+     *            the format names.
+     * @param suffixes
+     *            the array of strings representing the file suffixes.
+     * @param MIMETypes
+     *            the an array of strings representing MIME types.
+     * @param pluginClassName
+     *            the plug-in class name.
+     * @param inputTypes
+     *            the input types.
+     * @param writerSpiNames
+     *            the array of strings with class names of all associated
+     *            ImageWriters.
+     * @param supportsStandardStreamMetadataFormat
+     *            the value indicating if stream metadata can be described by
+     *            standard metadata format.
+     * @param nativeStreamMetadataFormatName
+     *            the native stream metadata format name, returned by
+     *            getNativeStreamMetadataFormatName.
+     * @param nativeStreamMetadataFormatClassName
+     *            the native stream metadata format class name, returned by
+     *            getNativeStreamMetadataFormat.
+     * @param extraStreamMetadataFormatNames
+     *            the extra stream metadata format names, returned by
+     *            getExtraStreamMetadataFormatNames.
+     * @param extraStreamMetadataFormatClassNames
+     *            the extra stream metadata format class names, returned by
+     *            getStreamMetadataFormat.
+     * @param supportsStandardImageMetadataFormat
+     *            the value indicating if image metadata can be described by
+     *            standard metadata format.
+     * @param nativeImageMetadataFormatName
+     *            the native image metadata format name, returned by
+     *            getNativeImageMetadataFormatName.
+     * @param nativeImageMetadataFormatClassName
+     *            the native image metadata format class name, returned by
+     *            getNativeImageMetadataFormat.
+     * @param extraImageMetadataFormatNames
+     *            the extra image metadata format names, returned by
+     *            getExtraImageMetadataFormatNames.
+     * @param extraImageMetadataFormatClassNames
+     *            the extra image metadata format class names, returned by
+     *            getImageMetadataFormat.
+     */
+    public ImageReaderSpi(String vendorName, String version, String[] names, String[] suffixes,
+            String[] MIMETypes, String pluginClassName, Class[] inputTypes,
+            String[] writerSpiNames, boolean supportsStandardStreamMetadataFormat,
+            String nativeStreamMetadataFormatName, String nativeStreamMetadataFormatClassName,
+            String[] extraStreamMetadataFormatNames, String[] extraStreamMetadataFormatClassNames,
+            boolean supportsStandardImageMetadataFormat, String nativeImageMetadataFormatName,
+            String nativeImageMetadataFormatClassName, String[] extraImageMetadataFormatNames,
+            String[] extraImageMetadataFormatClassNames) {
+        super(vendorName, version, names, suffixes, MIMETypes, pluginClassName,
+                supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName,
+                nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames,
+                extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat,
+                nativeImageMetadataFormatName, nativeImageMetadataFormatClassName,
+                extraImageMetadataFormatNames, extraImageMetadataFormatClassNames);
+
+        if (inputTypes == null || inputTypes.length == 0) {
+            throw new NullPointerException("input types array cannot be NULL or empty");
+        }
+        this.inputTypes = inputTypes;
+        this.writerSpiNames = writerSpiNames;
+    }
+
+    /**
+     * Gets an array of Class objects whose types can be used as input for this
+     * reader.
+     * 
+     * @return the input types.
+     */
+    public Class[] getInputTypes() {
+        return inputTypes;
+    }
+
+    /**
+     * Returns true if the format of source object is supported by this reader.
+     * 
+     * @param source
+     *            the source object to be decoded (for example an
+     *            ImageInputStream).
+     * @return true, if the format of source object is supported by this reader,
+     *         false otherwise.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract boolean canDecodeInput(Object source) throws IOException;
+
+    /**
+     * Returns an instance of the ImageReader implementation for this service
+     * provider.
+     * 
+     * @return the ImageReader.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public ImageReader createReaderInstance() throws IOException {
+        return createReaderInstance(null);
+    }
+
+    /**
+     * Returns an instance of the ImageReader implementation for this service
+     * provider.
+     * 
+     * @param extension
+     *            the a plug-in specific extension object, or null.
+     * @return the ImageReader.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract ImageReader createReaderInstance(Object extension) throws IOException;
+
+    /**
+     * Checks whether or not the specified ImageReader object is an instance of
+     * the ImageReader associated with this service provider or not.
+     * 
+     * @param reader
+     *            the ImageReader.
+     * @return true, if the specified ImageReader object is an instance of the
+     *         ImageReader associated with this service provider, false
+     *         otherwise.
+     */
+    public boolean isOwnReader(ImageReader reader) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an array of strings with names of the ImageWriterSpi classes that
+     * support the internal metadata representation used by the ImageReader of
+     * this service provider, or null if there are no such ImageWriters.
+     * 
+     * @return the array of strings with names of the ImageWriterSpi classes.
+     */
+    public String[] getImageWriterSpiNames() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+}
diff --git a/awt/javax/imageio/spi/ImageReaderWriterSpi.java b/awt/javax/imageio/spi/ImageReaderWriterSpi.java
new file mode 100644
index 0000000..9ca08b5
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageReaderWriterSpi.java
@@ -0,0 +1,344 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import org.apache.harmony.x.imageio.metadata.IIOMetadataUtils;
+
+import javax.imageio.metadata.IIOMetadataFormat;
+
+/**
+ * The ImageReaderWriterSpi class is a superclass for the ImageReaderSpi and
+ * ImageWriterSpi SPIs.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageReaderWriterSpi extends IIOServiceProvider implements
+        RegisterableService {
+
+    /**
+     * The names.
+     */
+    protected String[] names;
+
+    /**
+     * The suffixes.
+     */
+    protected String[] suffixes;
+
+    /**
+     * The MIME types.
+     */
+    protected String[] MIMETypes;
+
+    /**
+     * The plug-in class name.
+     */
+    protected String pluginClassName;
+
+    /**
+     * Whether the reader/writer supports standard stream metadata format.
+     */
+    protected boolean supportsStandardStreamMetadataFormat;
+
+    /**
+     * The native stream metadata format name.
+     */
+    protected String nativeStreamMetadataFormatName;
+
+    /**
+     * The native stream metadata format class name.
+     */
+    protected String nativeStreamMetadataFormatClassName;
+
+    /**
+     * The extra stream metadata format names.
+     */
+    protected String[] extraStreamMetadataFormatNames;
+
+    /**
+     * The extra stream metadata format class names.
+     */
+    protected String[] extraStreamMetadataFormatClassNames;
+
+    /**
+     * Whether the reader/writer supports standard image metadata format.
+     */
+    protected boolean supportsStandardImageMetadataFormat;
+
+    /**
+     * The native image metadata format name.
+     */
+    protected String nativeImageMetadataFormatName;
+
+    /**
+     * The native image metadata format class name.
+     */
+    protected String nativeImageMetadataFormatClassName;
+
+    /**
+     * The extra image metadata format names.
+     */
+    protected String[] extraImageMetadataFormatNames;
+
+    /**
+     * The extra image metadata format class names.
+     */
+    protected String[] extraImageMetadataFormatClassNames;
+
+    /**
+     * Instantiates a new ImageReaderWriterSpi.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     * @param names
+     *            the format names.
+     * @param suffixes
+     *            the array of strings representing the file suffixes.
+     * @param MIMETypes
+     *            the an array of strings representing MIME types.
+     * @param pluginClassName
+     *            the plug-in class name.
+     * @param supportsStandardStreamMetadataFormat
+     *            the value indicating if stream metadata can be described by
+     *            standard metadata format.
+     * @param nativeStreamMetadataFormatName
+     *            the native stream metadata format name, returned by
+     *            getNativeStreamMetadataFormatName.
+     * @param nativeStreamMetadataFormatClassName
+     *            the native stream metadata format class name, returned by
+     *            getNativeStreamMetadataFormat.
+     * @param extraStreamMetadataFormatNames
+     *            the extra stream metadata format names, returned by
+     *            getExtraStreamMetadataFormatNames.
+     * @param extraStreamMetadataFormatClassNames
+     *            the extra stream metadata format class names, returned by
+     *            getStreamMetadataFormat.
+     * @param supportsStandardImageMetadataFormat
+     *            the value indicating if image metadata can be described by
+     *            standard metadata format.
+     * @param nativeImageMetadataFormatName
+     *            the native image metadata format name, returned by
+     *            getNativeImageMetadataFormatName.
+     * @param nativeImageMetadataFormatClassName
+     *            the native image metadata format class name, returned by
+     *            getNativeImageMetadataFormat.
+     * @param extraImageMetadataFormatNames
+     *            the extra image metadata format names, returned by
+     *            getExtraImageMetadataFormatNames.
+     * @param extraImageMetadataFormatClassNames
+     *            the extra image metadata format class names, returned by
+     *            getImageMetadataFormat.
+     */
+    public ImageReaderWriterSpi(String vendorName, String version, String[] names,
+            String[] suffixes, String[] MIMETypes, String pluginClassName,
+            boolean supportsStandardStreamMetadataFormat, String nativeStreamMetadataFormatName,
+            String nativeStreamMetadataFormatClassName, String[] extraStreamMetadataFormatNames,
+            String[] extraStreamMetadataFormatClassNames,
+            boolean supportsStandardImageMetadataFormat, String nativeImageMetadataFormatName,
+            String nativeImageMetadataFormatClassName, String[] extraImageMetadataFormatNames,
+            String[] extraImageMetadataFormatClassNames) {
+        super(vendorName, version);
+
+        if (names == null || names.length == 0) {
+            throw new NullPointerException("format names array cannot be NULL or empty");
+        }
+
+        if (pluginClassName == null) {
+            throw new NullPointerException("Plugin class name cannot be NULL");
+        }
+
+        // We clone all the arrays to be consistent with the fact that
+        // some methods of this class must return clones of the arrays
+        // as it is stated in the spec.
+        this.names = names.clone();
+        this.suffixes = suffixes == null ? null : suffixes.clone();
+        this.MIMETypes = MIMETypes == null ? null : MIMETypes.clone();
+        this.pluginClassName = pluginClassName;
+        this.supportsStandardStreamMetadataFormat = supportsStandardStreamMetadataFormat;
+        this.nativeStreamMetadataFormatName = nativeStreamMetadataFormatName;
+        this.nativeStreamMetadataFormatClassName = nativeStreamMetadataFormatClassName;
+
+        this.extraStreamMetadataFormatNames = extraStreamMetadataFormatNames == null ? null
+                : extraStreamMetadataFormatNames.clone();
+
+        this.extraStreamMetadataFormatClassNames = extraStreamMetadataFormatClassNames == null ? null
+                : extraStreamMetadataFormatClassNames.clone();
+
+        this.supportsStandardImageMetadataFormat = supportsStandardImageMetadataFormat;
+        this.nativeImageMetadataFormatName = nativeImageMetadataFormatName;
+        this.nativeImageMetadataFormatClassName = nativeImageMetadataFormatClassName;
+
+        this.extraImageMetadataFormatNames = extraImageMetadataFormatNames == null ? null
+                : extraImageMetadataFormatNames.clone();
+
+        this.extraImageMetadataFormatClassNames = extraImageMetadataFormatClassNames == null ? null
+                : extraImageMetadataFormatClassNames.clone();
+    }
+
+    /**
+     * Instantiates a new ImageReaderWriterSpi.
+     */
+    public ImageReaderWriterSpi() {
+    }
+
+    /**
+     * Gets an array of strings representing names of the formats that can be
+     * used by the ImageReader or ImageWriter implementation associated with
+     * this service provider.
+     * 
+     * @return the array of supported format names.
+     */
+    public String[] getFormatNames() {
+        return names.clone();
+    }
+
+    /**
+     * Gets an array of strings representing file suffixes associated with the
+     * formats that can be used by the ImageReader or ImageWriter implementation
+     * of this service provider.
+     * 
+     * @return the array of file suffixes.
+     */
+    public String[] getFileSuffixes() {
+        return suffixes == null ? null : suffixes.clone();
+    }
+
+    /**
+     * Gets an array of strings with the names of additional formats of the
+     * image metadata objects produced or consumed by this plug-in.
+     * 
+     * @return the array of extra image metadata format names.
+     */
+    public String[] getExtraImageMetadataFormatNames() {
+        return extraImageMetadataFormatNames == null ? null : extraImageMetadataFormatNames.clone();
+    }
+
+    /**
+     * Gets an array of strings with the names of additional formats of the
+     * stream metadata objects produced or consumed by this plug-in.
+     * 
+     * @return the array of extra stream metadata format names.
+     */
+    public String[] getExtraStreamMetadataFormatNames() {
+        return extraStreamMetadataFormatNames == null ? null : extraStreamMetadataFormatNames
+                .clone();
+    }
+
+    /**
+     * Gets an IIOMetadataFormat object for the specified image metadata format
+     * name.
+     * 
+     * @param formatName
+     *            the format name.
+     * @return the IIOMetadataFormat, or null.
+     */
+    public IIOMetadataFormat getImageMetadataFormat(String formatName) {
+        return IIOMetadataUtils.instantiateMetadataFormat(formatName,
+                supportsStandardImageMetadataFormat, nativeImageMetadataFormatName,
+                nativeImageMetadataFormatClassName, extraImageMetadataFormatNames,
+                extraImageMetadataFormatClassNames);
+    }
+
+    /**
+     * Gets an IIOMetadataFormat object for the specified stream metadata format
+     * name.
+     * 
+     * @param formatName
+     *            the format name.
+     * @return the IIOMetadataFormat, or null.
+     */
+    public IIOMetadataFormat getStreamMetadataFormat(String formatName) {
+        return IIOMetadataUtils.instantiateMetadataFormat(formatName,
+                supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName,
+                nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames,
+                extraStreamMetadataFormatClassNames);
+    }
+
+    /**
+     * Gets an array of strings representing the MIME types of the formats that
+     * are supported by the ImageReader or ImageWriter implementation of this
+     * service provider.
+     * 
+     * @return the array MIME types.
+     */
+    public String[] getMIMETypes() {
+        return MIMETypes == null ? null : MIMETypes.clone();
+    }
+
+    /**
+     * Gets the name of the native image metadata format for this reader/writer,
+     * which allows for lossless encoding or decoding of the image metadata with
+     * the format.
+     * 
+     * @return the string with native image metadata format name, or null.
+     */
+    public String getNativeImageMetadataFormatName() {
+        return nativeImageMetadataFormatName;
+    }
+
+    /**
+     * Gets the name of the native stream metadata format for this
+     * reader/writer, which allows for lossless encoding or decoding of the
+     * stream metadata with the format.
+     * 
+     * @return the string with native stream metadata format name, or null.
+     */
+    public String getNativeStreamMetadataFormatName() {
+        return nativeStreamMetadataFormatName;
+    }
+
+    /**
+     * Gets the class name of the ImageReader or ImageWriter associated with
+     * this service provider.
+     * 
+     * @return the class name.
+     */
+    public String getPluginClassName() {
+        return pluginClassName;
+    }
+
+    /**
+     * Checks if the standard metadata format is supported by the getAsTree and
+     * setFromTree methods for the image metadata objects produced or consumed
+     * by this reader or writer.
+     * 
+     * @return true, if standard image metadata format is supported, false
+     *         otherwise.
+     */
+    public boolean isStandardImageMetadataFormatSupported() {
+        return supportsStandardImageMetadataFormat;
+    }
+
+    /**
+     * Checks if the standard metadata format is supported by the getAsTree and
+     * setFromTree methods for the stream metadata objects produced or consumed
+     * by this reader or writer.
+     * 
+     * @return true, if standard stream metadata format is supported, false
+     *         otherwise.
+     */
+    public boolean isStandardStreamMetadataFormatSupported() {
+        return supportsStandardStreamMetadataFormat;
+    }
+}
diff --git a/awt/javax/imageio/spi/ImageTranscoderSpi.java b/awt/javax/imageio/spi/ImageTranscoderSpi.java
new file mode 100644
index 0000000..742af19
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageTranscoderSpi.java
@@ -0,0 +1,76 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import javax.imageio.ImageTranscoder;
+
+/**
+ * The ImageTranscoderSpi class is a service provider interface (SPI) for
+ * ImageTranscoders.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageTranscoderSpi extends IIOServiceProvider implements RegisterableService {
+
+    /**
+     * Instantiates a new ImageTranscoderSpi.
+     */
+    protected ImageTranscoderSpi() {
+    }
+
+    /**
+     * Instantiates a new ImageTranscoderSpi with the specified vendor name and
+     * version.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     */
+    public ImageTranscoderSpi(String vendorName, String version) {
+        super(vendorName, version);
+    }
+
+    /**
+     * Gets the class name of an ImageReaderSpi that produces IIOMetadata
+     * objects that can be used as input to this transcoder.
+     * 
+     * @return the class name of an ImageReaderSpi.
+     */
+    public abstract String getReaderServiceProviderName();
+
+    /**
+     * Gets the class name of an ImageWriterSpi that produces IIOMetadata
+     * objects that can be used as input to this transcoder.
+     * 
+     * @return the class name of an ImageWriterSpi.
+     */
+    public abstract String getWriterServiceProviderName();
+
+    /**
+     * Creates an instance of the ImageTranscoder associated with this service
+     * provider.
+     * 
+     * @return the ImageTranscoder instance.
+     */
+    public abstract ImageTranscoder createTranscoderInstance();
+}
diff --git a/awt/javax/imageio/spi/ImageWriterSpi.java b/awt/javax/imageio/spi/ImageWriterSpi.java
new file mode 100644
index 0000000..bf25455
--- /dev/null
+++ b/awt/javax/imageio/spi/ImageWriterSpi.java
@@ -0,0 +1,227 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.ImageTypeSpecifier;
+import javax.imageio.ImageWriter;
+import java.awt.image.RenderedImage;
+import java.io.IOException;
+
+/**
+ * The ImageWriterSpi abstract class is a service provider interface (SPI) for
+ * ImageWriters.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageWriterSpi extends ImageReaderWriterSpi {
+
+    /**
+     * The STANDARD_OUTPUT_TYPE contains ImageInputStream.class.
+     */
+    public static final Class[] STANDARD_OUTPUT_TYPE = new Class[] {
+        ImageInputStream.class
+    };
+
+    /**
+     * The output types.
+     */
+    protected Class[] outputTypes;
+
+    /**
+     * The reader SPI names.
+     */
+    protected String[] readerSpiNames;
+
+    /**
+     * Instantiates a new ImageWriterSpi.
+     */
+    protected ImageWriterSpi() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Instantiates a new ImageWriterSpi with the specified parameters.
+     * 
+     * @param vendorName
+     *            the vendor name.
+     * @param version
+     *            the version.
+     * @param names
+     *            the format names.
+     * @param suffixes
+     *            the array of strings representing the file suffixes.
+     * @param MIMETypes
+     *            the an array of strings representing MIME types.
+     * @param pluginClassName
+     *            the plug-in class name.
+     * @param outputTypes
+     *            the output types.
+     * @param readerSpiNames
+     *            the array of strings with class names of all associated
+     *            ImageReaders.
+     * @param supportsStandardStreamMetadataFormat
+     *            the value indicating if stream metadata can be described by
+     *            standard metadata format.
+     * @param nativeStreamMetadataFormatName
+     *            the native stream metadata format name, returned by
+     *            getNativeStreamMetadataFormatName.
+     * @param nativeStreamMetadataFormatClassName
+     *            the native stream metadata format class name, returned by
+     *            getNativeStreamMetadataFormat.
+     * @param extraStreamMetadataFormatNames
+     *            the extra stream metadata format names, returned by
+     *            getExtraStreamMetadataFormatNames.
+     * @param extraStreamMetadataFormatClassNames
+     *            the extra stream metadata format class names, returned by
+     *            getStreamMetadataFormat.
+     * @param supportsStandardImageMetadataFormat
+     *            the value indicating if image metadata can be described by
+     *            standard metadata format.
+     * @param nativeImageMetadataFormatName
+     *            the native image metadata format name, returned by
+     *            getNativeImageMetadataFormatName.
+     * @param nativeImageMetadataFormatClassName
+     *            the native image metadata format class name, returned by
+     *            getNativeImageMetadataFormat.
+     * @param extraImageMetadataFormatNames
+     *            the extra image metadata format names, returned by
+     *            getExtraImageMetadataFormatNames.
+     * @param extraImageMetadataFormatClassNames
+     *            the extra image metadata format class names, returned by
+     *            getImageMetadataFormat.
+     */
+    public ImageWriterSpi(String vendorName, String version, String[] names, String[] suffixes,
+            String[] MIMETypes, String pluginClassName, Class[] outputTypes,
+            String[] readerSpiNames, boolean supportsStandardStreamMetadataFormat,
+            String nativeStreamMetadataFormatName, String nativeStreamMetadataFormatClassName,
+            String[] extraStreamMetadataFormatNames, String[] extraStreamMetadataFormatClassNames,
+            boolean supportsStandardImageMetadataFormat, String nativeImageMetadataFormatName,
+            String nativeImageMetadataFormatClassName, String[] extraImageMetadataFormatNames,
+            String[] extraImageMetadataFormatClassNames) {
+        super(vendorName, version, names, suffixes, MIMETypes, pluginClassName,
+                supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName,
+                nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames,
+                extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat,
+                nativeImageMetadataFormatName, nativeImageMetadataFormatClassName,
+                extraImageMetadataFormatNames, extraImageMetadataFormatClassNames);
+
+        if (outputTypes == null || outputTypes.length == 0) {
+            throw new NullPointerException("output types array cannot be NULL or empty");
+        }
+
+        this.outputTypes = outputTypes;
+        this.readerSpiNames = readerSpiNames;
+    }
+
+    /**
+     * Returns true if the format of the writer's output is lossless. The
+     * default implementation returns true.
+     * 
+     * @return true, if a format is lossless, false otherwise.
+     */
+    public boolean isFormatLossless() {
+        return true;
+    }
+
+    /**
+     * Gets an array of Class objects whose types can be used as output for this
+     * writer.
+     * 
+     * @return the output types.
+     */
+    public Class[] getOutputTypes() {
+        return outputTypes;
+    }
+
+    /**
+     * Checks whether or not the ImageWriter implementation associated with this
+     * service provider can encode an image with the specified type.
+     * 
+     * @param type
+     *            the ImageTypeSpecifier.
+     * @return true, if an image with the specified type can be encoded, false
+     *         otherwise.
+     */
+    public abstract boolean canEncodeImage(ImageTypeSpecifier type);
+
+    /**
+     * Checks whether or not the ImageWriter implementation associated with this
+     * service provider can encode the specified RenderedImage.
+     * 
+     * @param im
+     *            the RenderedImage.
+     * @return true, if RenderedImage can be encoded, false otherwise.
+     */
+    public boolean canEncodeImage(RenderedImage im) {
+        return canEncodeImage(ImageTypeSpecifier.createFromRenderedImage(im));
+    }
+
+    /**
+     * Returns an instance of the ImageWriter implementation for this service
+     * provider.
+     * 
+     * @return the ImageWriter.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public ImageWriter createWriterInstance() throws IOException {
+        return createWriterInstance(null);
+    }
+
+    /**
+     * Returns an instance of the ImageWriter implementation for this service
+     * provider.
+     * 
+     * @param extension
+     *            the a plug-in specific extension object, or null.
+     * @return the ImageWriter.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public abstract ImageWriter createWriterInstance(Object extension) throws IOException;
+
+    /**
+     * Checks whether or not the specified ImageWriter object is an instance of
+     * the ImageWriter associated with this service provider or not.
+     * 
+     * @param writer
+     *            the ImageWriter.
+     * @return true, if the specified ImageWriter object is an instance of the
+     *         ImageWriter associated with this service provider, false
+     *         otherwise.
+     */
+    public boolean isOwnWriter(ImageWriter writer) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an array of strings with names of the ImageReaderSpi classes that
+     * support the internal metadata representation used by the ImageWriter of
+     * this service provider, or null if there are no such ImageReaders.
+     * 
+     * @return the array of strings with names of the ImageWriterSpi classes.
+     */
+    public String[] getImageReaderSpiNames() {
+        return readerSpiNames;
+    }
+}
diff --git a/awt/javax/imageio/spi/RegisterableService.java b/awt/javax/imageio/spi/RegisterableService.java
new file mode 100644
index 0000000..ae2f4d3
--- /dev/null
+++ b/awt/javax/imageio/spi/RegisterableService.java
@@ -0,0 +1,54 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+/**
+ * The RegisterableService interface provides service provider objects that can
+ * be registered by a ServiceRegistry, and notifications that registration and
+ * deregistration have been performed.
+ * 
+ * @since Android 1.0
+ */
+public interface RegisterableService {
+
+    /**
+     * This method is called when the object which implements this interface is
+     * registered to the specified category of the specified registry.
+     * 
+     * @param registry
+     *            the ServiceRegistry to be registered.
+     * @param category
+     *            the class representing a category.
+     */
+    void onRegistration(ServiceRegistry registry, Class<?> category);
+
+    /**
+     * This method is called when the object which implements this interface is
+     * deregistered to the specified category of the specified registry.
+     * 
+     * @param registry
+     *            the ServiceRegistry to be registered.
+     * @param category
+     *            the class representing a category.
+     */
+    void onDeregistration(ServiceRegistry registry, Class<?> category);
+}
diff --git a/awt/javax/imageio/spi/ServiceRegistry.java b/awt/javax/imageio/spi/ServiceRegistry.java
new file mode 100644
index 0000000..79b02a3
--- /dev/null
+++ b/awt/javax/imageio/spi/ServiceRegistry.java
@@ -0,0 +1,552 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.spi;
+
+import java.util.*;
+import java.util.Map.Entry;
+
+/**
+ * The ServiceRegistry class provides ability to register, deregister, look up
+ * and obtain service provider instances (SPIs). A service means a set of
+ * interfaces and classes, and a service provider is an implementation of a
+ * service. Service providers can be associated with one or more categories.
+ * Each category is defined by a class or interface. Only a single instance of a
+ * each class is allowed to be registered as a category.
+ * 
+ * @since Android 1.0
+ */
+public class ServiceRegistry {
+
+    /**
+     * The categories.
+     */
+    CategoriesMap categories = new CategoriesMap(this);
+
+    /**
+     * Instantiates a new ServiceRegistry with the specified categories.
+     * 
+     * @param categoriesIterator
+     *            an Iterator of Class objects for defining of categories.
+     */
+    public ServiceRegistry(Iterator<Class<?>> categoriesIterator) {
+        if (null == categoriesIterator) {
+            throw new IllegalArgumentException("categories iterator should not be NULL");
+        }
+        while (categoriesIterator.hasNext()) {
+            Class<?> c = categoriesIterator.next();
+            categories.addCategory(c);
+        }
+    }
+
+    /**
+     * Looks up and instantiates the available providers of this service using
+     * the specified class loader.
+     * 
+     * @param providerClass
+     *            the Class object of the provider to be looked up.
+     * @param loader
+     *            the class loader to be used.
+     * @return the iterator of providers objects for this service.
+     */
+    public static <T> Iterator<T> lookupProviders(Class<T> providerClass, ClassLoader loader) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Looks up and instantiates the available providers of this service using
+     * the context class loader.
+     * 
+     * @param providerClass
+     *            the Class object of the provider to be looked up.
+     * @return the iterator of providers objects for this service.
+     */
+    public static <T> Iterator<T> lookupProviders(Class<T> providerClass) {
+        return lookupProviders(providerClass, Thread.currentThread().getContextClassLoader());
+    }
+
+    /**
+     * Registers the specified service provider object in the specified
+     * categories.
+     * 
+     * @param provider
+     *            the specified provider to be registered.
+     * @param category
+     *            the category.
+     * @return true, if no provider of the same class is registered in this
+     *         category, false otherwise.
+     */
+    public <T> boolean registerServiceProvider(T provider, Class<T> category) {
+        return categories.addProvider(provider, category);
+    }
+
+    /**
+     * Registers a list of service providers.
+     * 
+     * @param providers
+     *            the list of service providers.
+     */
+    public void registerServiceProviders(Iterator<?> providers) {
+        for (Iterator<?> iterator = providers; iterator.hasNext();) {
+            categories.addProvider(iterator.next(), null);
+        }
+    }
+
+    /**
+     * Registers the specified service provider object in all categories.
+     * 
+     * @param provider
+     *            the service provider.
+     */
+    public void registerServiceProvider(Object provider) {
+        categories.addProvider(provider, null);
+    }
+
+    /**
+     * Deregisters the specifies service provider from the specified category.
+     * 
+     * @param provider
+     *            the service provider to be deregistered.
+     * @param category
+     *            the specified category.
+     * @return true, if the provider was already registered in the specified
+     *         category, false otherwise.
+     */
+    public <T> boolean deregisterServiceProvider(T provider, Class<T> category) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Deregisters the specified service provider from all categories.
+     * 
+     * @param provider
+     *            the specified service provider.
+     */
+    public void deregisterServiceProvider(Object provider) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an Iterator of registered service providers in the specified
+     * category which satisfy the specified Filter. The useOrdering parameter
+     * indicates whether the iterator will return all of the server provider
+     * objects in a set order.
+     * 
+     * @param category
+     *            the specified category.
+     * @param filter
+     *            the specified filter.
+     * @param useOrdering
+     *            the flag indicating that providers are ordered in the returned
+     *            Iterator.
+     * @return the iterator of registered service providers.
+     */
+    @SuppressWarnings("unchecked")
+    public <T> Iterator<T> getServiceProviders(Class<T> category, Filter filter, boolean useOrdering) {
+        return new FilteredIterator<T>(filter, (Iterator<T>)categories.getProviders(category,
+                useOrdering));
+    }
+
+    /**
+     * Gets an Iterator of all registered service providers in the specified
+     * category. The useOrdering parameter indicates whether the iterator will
+     * return all of the server provider objects in a set order.
+     * 
+     * @param category
+     *            the specified category.
+     * @param useOrdering
+     *            the flag indicating that providers are ordered in the returned
+     *            Iterator.
+     * @return the Iterator of service providers.
+     */
+    @SuppressWarnings("unchecked")
+    public <T> Iterator<T> getServiceProviders(Class<T> category, boolean useOrdering) {
+        return (Iterator<T>)categories.getProviders(category, useOrdering);
+    }
+
+    /**
+     * Gets the registered service provider object that has the specified class
+     * type.
+     * 
+     * @param providerClass
+     *            the specified provider class.
+     * @return the service provider object.
+     */
+    public <T> T getServiceProviderByClass(Class<T> providerClass) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Sets an ordering between two service provider objects within the
+     * specified category.
+     * 
+     * @param category
+     *            the specified category.
+     * @param firstProvider
+     *            the first provider.
+     * @param secondProvider
+     *            the second provider.
+     * @return true, if a previously unset order was set.
+     */
+    public <T> boolean setOrdering(Class<T> category, T firstProvider, T secondProvider) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Unsets an ordering between two service provider objects within the
+     * specified category.
+     * 
+     * @param category
+     *            the specified category.
+     * @param firstProvider
+     *            the first provider.
+     * @param secondProvider
+     *            the second provider.
+     * @return true, if a previously unset order was removed.
+     */
+    public <T> boolean unsetOrdering(Class<T> category, T firstProvider, T secondProvider) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Deregisters all providers from the specified category.
+     * 
+     * @param category
+     *            the specified category.
+     */
+    public void deregisterAll(Class<?> category) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Deregister all providers from all categories.
+     */
+    public void deregisterAll() {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Finalizes this object.
+     * 
+     * @throws Throwable
+     *             if an error occurs during finalization.
+     */
+    @Override
+    public void finalize() throws Throwable {
+        // TODO uncomment when deregisterAll is implemented
+        // deregisterAll();
+    }
+
+    /**
+     * Checks whether the specified provider has been already registered.
+     * 
+     * @param provider
+     *            the provider to be checked.
+     * @return true, if the specified provider has been already registered,
+     *         false otherwise.
+     */
+    public boolean contains(Object provider) {
+        throw new UnsupportedOperationException("Not supported yet");
+    }
+
+    /**
+     * Gets an iterator of Class objects representing the current categories.
+     * 
+     * @return the Iterator of Class objects.
+     */
+    public Iterator<Class<?>> getCategories() {
+        return categories.list();
+    }
+
+    /**
+     * The ServiceRegistry.Filter interface is used by
+     * ServiceRegistry.getServiceProviders to filter providers according to the
+     * specified criterion.
+     * 
+     * @since Android 1.0
+     */
+    public static interface Filter {
+
+        /**
+         * Returns true if the specified provider satisfies the criterion of
+         * this Filter.
+         * 
+         * @param provider
+         *            the provider.
+         * @return true, if the specified provider satisfies the criterion of
+         *         this Filter, false otherwise.
+         */
+        boolean filter(Object provider);
+    }
+
+    /**
+     * The Class CategoriesMap.
+     */
+    private static class CategoriesMap {
+
+        /**
+         * The categories.
+         */
+        Map<Class<?>, ProvidersMap> categories = new HashMap<Class<?>, ProvidersMap>();
+
+        /**
+         * The registry.
+         */
+        ServiceRegistry registry;
+
+        /**
+         * Instantiates a new categories map.
+         * 
+         * @param registry
+         *            the registry.
+         */
+        public CategoriesMap(ServiceRegistry registry) {
+            this.registry = registry;
+        }
+
+        // -- TODO: useOrdering
+        /**
+         * Gets the providers.
+         * 
+         * @param category
+         *            the category.
+         * @param useOrdering
+         *            the use ordering.
+         * @return the providers.
+         */
+        Iterator<?> getProviders(Class<?> category, boolean useOrdering) {
+            ProvidersMap providers = categories.get(category);
+            if (null == providers) {
+                throw new IllegalArgumentException("Unknown category: " + category);
+            }
+            return providers.getProviders(useOrdering);
+        }
+
+        /**
+         * List.
+         * 
+         * @return the iterator< class<?>>.
+         */
+        Iterator<Class<?>> list() {
+            return categories.keySet().iterator();
+        }
+
+        /**
+         * Adds the category.
+         * 
+         * @param category
+         *            the category.
+         */
+        void addCategory(Class<?> category) {
+            categories.put(category, new ProvidersMap());
+        }
+
+        /**
+         * Adds a provider to the category. If <code>category</code> is
+         * <code>null</code> then the provider will be added to all categories
+         * which the provider is assignable from.
+         * 
+         * @param provider
+         *            provider to add.
+         * @param category
+         *            category to add provider to.
+         * @return true, if there were such provider in some category.
+         */
+        boolean addProvider(Object provider, Class<?> category) {
+            if (provider == null) {
+                throw new IllegalArgumentException("provider should be != NULL");
+            }
+
+            boolean rt;
+            if (category == null) {
+                rt = findAndAdd(provider);
+            } else {
+                rt = addToNamed(provider, category);
+            }
+
+            if (provider instanceof RegisterableService) {
+                ((RegisterableService)provider).onRegistration(registry, category);
+            }
+
+            return rt;
+        }
+
+        /**
+         * Adds the to named.
+         * 
+         * @param provider
+         *            the provider.
+         * @param category
+         *            the category.
+         * @return true, if successful.
+         */
+        private boolean addToNamed(Object provider, Class<?> category) {
+            Object obj = categories.get(category);
+
+            if (null == obj) {
+                throw new IllegalArgumentException("Unknown category: " + category);
+            }
+
+            return ((ProvidersMap)obj).addProvider(provider);
+        }
+
+        /**
+         * Find and add.
+         * 
+         * @param provider
+         *            the provider.
+         * @return true, if successful.
+         */
+        private boolean findAndAdd(Object provider) {
+            boolean rt = false;
+            for (Entry<Class<?>, ProvidersMap> e : categories.entrySet()) {
+                if (e.getKey().isAssignableFrom(provider.getClass())) {
+                    rt |= e.getValue().addProvider(provider);
+                }
+            }
+            return rt;
+        }
+    }
+
+    /**
+     * The Class ProvidersMap.
+     */
+    private static class ProvidersMap {
+        // -- TODO: providers ordering support
+
+        /**
+         * The providers.
+         */
+        Map<Class<?>, Object> providers = new HashMap<Class<?>, Object>();
+
+        /**
+         * Adds the provider.
+         * 
+         * @param provider
+         *            the provider.
+         * @return true, if successful.
+         */
+        boolean addProvider(Object provider) {
+            return providers.put(provider.getClass(), provider) != null;
+        }
+
+        /**
+         * Gets the provider classes.
+         * 
+         * @return the provider classes.
+         */
+        Iterator<Class<?>> getProviderClasses() {
+            return providers.keySet().iterator();
+        }
+
+        // -- TODO ordering
+        /**
+         * Gets the providers.
+         * 
+         * @param userOrdering
+         *            the user ordering.
+         * @return the providers.
+         */
+        Iterator<?> getProviders(boolean userOrdering) {
+            return providers.values().iterator();
+        }
+    }
+
+    /**
+     * The Class FilteredIterator.
+     */
+    private static class FilteredIterator<E> implements Iterator<E> {
+
+        /**
+         * The filter.
+         */
+        private Filter filter;
+
+        /**
+         * The backend.
+         */
+        private Iterator<E> backend;
+
+        /**
+         * The next obj.
+         */
+        private E nextObj;
+
+        /**
+         * Instantiates a new filtered iterator.
+         * 
+         * @param filter
+         *            the filter.
+         * @param backend
+         *            the backend.
+         */
+        public FilteredIterator(Filter filter, Iterator<E> backend) {
+            this.filter = filter;
+            this.backend = backend;
+            findNext();
+        }
+
+        /**
+         * Next.
+         * 
+         * @return the e.
+         */
+        public E next() {
+            if (nextObj == null) {
+                throw new NoSuchElementException();
+            }
+            E tmp = nextObj;
+            findNext();
+            return tmp;
+        }
+
+        /**
+         * Checks for next.
+         * 
+         * @return true, if successful.
+         */
+        public boolean hasNext() {
+            return nextObj != null;
+        }
+
+        /**
+         * Removes the.
+         */
+        public void remove() {
+            throw new UnsupportedOperationException();
+        }
+
+        /**
+         * Sets nextObj to a next provider matching the criterion given by the
+         * filter.
+         */
+        private void findNext() {
+            nextObj = null;
+            while (backend.hasNext()) {
+                E o = backend.next();
+                if (filter.filter(o)) {
+                    nextObj = o;
+                    return;
+                }
+            }
+        }
+    }
+}
diff --git a/awt/javax/imageio/spi/package.html b/awt/javax/imageio/spi/package.html
new file mode 100644
index 0000000..18ceff4
--- /dev/null
+++ b/awt/javax/imageio/spi/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+    This package provides several Service Provider Interface (SPI) classes for readers, writers, transcoders and streams to handle images.
+    </p>
+  @since Android 1.0
+  </body>
+</html>
diff --git a/awt/javax/imageio/stream/FileCacheImageInputStream.java b/awt/javax/imageio/stream/FileCacheImageInputStream.java
new file mode 100644
index 0000000..710ac66
--- /dev/null
+++ b/awt/javax/imageio/stream/FileCacheImageInputStream.java
@@ -0,0 +1,137 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.stream;
+
+import java.io.*;
+
+/**
+ * The FileCacheImageInputStream class is an implementation of ImageInputStream
+ * which reads from its InputStream and uses a temporary file as a cache.
+ * 
+ * @since Android 1.0
+ */
+public class FileCacheImageInputStream extends ImageInputStreamImpl {
+
+    /**
+     * The is.
+     */
+    private InputStream is;
+
+    /**
+     * The file.
+     */
+    private File file;
+
+    /**
+     * The raf.
+     */
+    private RandomAccessFile raf;
+
+    /**
+     * Instantiates a new FileCacheImageInputStream from the specified
+     * InputStream and using the specified File as its cache directory.
+     * 
+     * @param stream
+     *            the InputStream for reading.
+     * @param cacheDir
+     *            the cache directory where the cache file will be created.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public FileCacheImageInputStream(InputStream stream, File cacheDir) throws IOException {
+        if (stream == null) {
+            throw new IllegalArgumentException("stream == null!");
+        }
+        is = stream;
+
+        if (cacheDir == null || cacheDir.isDirectory()) {
+            file = File.createTempFile(FileCacheImageOutputStream.IIO_TEMP_FILE_PREFIX, null,
+                    cacheDir);
+            file.deleteOnExit();
+        } else {
+            throw new IllegalArgumentException("Not a directory!");
+        }
+
+        raf = new RandomAccessFile(file, "rw");
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0;
+
+        if (streamPos >= raf.length()) {
+            int b = is.read();
+
+            if (b < 0) {
+                return -1;
+            }
+
+            raf.seek(streamPos++);
+            raf.write(b);
+            return b;
+        }
+
+        raf.seek(streamPos++);
+        return raf.read();
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        if (streamPos >= raf.length()) {
+            int nBytes = is.read(b, off, len);
+
+            if (nBytes < 0) {
+                return -1;
+            }
+
+            raf.seek(streamPos);
+            raf.write(b, off, nBytes);
+            streamPos += nBytes;
+            return nBytes;
+        }
+
+        raf.seek(streamPos);
+        int nBytes = raf.read(b, off, len);
+        streamPos += nBytes;
+        return nBytes;
+    }
+
+    @Override
+    public boolean isCached() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedFile() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedMemory() {
+        return false;
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        raf.close();
+        file.delete();
+    }
+}
diff --git a/awt/javax/imageio/stream/FileCacheImageOutputStream.java b/awt/javax/imageio/stream/FileCacheImageOutputStream.java
new file mode 100644
index 0000000..135afab
--- /dev/null
+++ b/awt/javax/imageio/stream/FileCacheImageOutputStream.java
@@ -0,0 +1,196 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.stream;
+
+import java.io.IOException;
+import java.io.File;
+import java.io.OutputStream;
+import java.io.RandomAccessFile;
+
+/**
+ * The FileCacheImageOutputStream class is an implementation of
+ * ImageOutputStream that writes to its OutputStream using a temporary file as a
+ * cache.
+ * 
+ * @since Android 1.0
+ */
+public class FileCacheImageOutputStream extends ImageOutputStreamImpl {
+
+    /**
+     * The Constant IIO_TEMP_FILE_PREFIX.
+     */
+    static final String IIO_TEMP_FILE_PREFIX = "iioCache";
+
+    /**
+     * The Constant MAX_BUFFER_LEN.
+     */
+    static final int MAX_BUFFER_LEN = 1048575; // 1 MB - is it not too much?
+
+    /**
+     * The os.
+     */
+    private OutputStream os;
+
+    /**
+     * The file.
+     */
+    private File file;
+
+    /**
+     * The raf.
+     */
+    private RandomAccessFile raf;
+
+    /**
+     * Instantiates a FileCacheImageOutputStream.
+     * 
+     * @param stream
+     *            the OutputStream for writing.
+     * @param cacheDir
+     *            the cache directory where the cache file will be created.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public FileCacheImageOutputStream(OutputStream stream, File cacheDir) throws IOException {
+        if (stream == null) {
+            throw new IllegalArgumentException("stream == null!");
+        }
+        os = stream;
+
+        if (cacheDir == null || cacheDir.isDirectory()) {
+            file = File.createTempFile(IIO_TEMP_FILE_PREFIX, null, cacheDir);
+            file.deleteOnExit();
+        } else {
+            throw new IllegalArgumentException("Not a directory!");
+        }
+
+        raf = new RandomAccessFile(file, "rw");
+    }
+
+    @Override
+    public void close() throws IOException {
+        flushBefore(raf.length());
+        super.close();
+        raf.close();
+        file.delete();
+    }
+
+    @Override
+    public boolean isCached() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedFile() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedMemory() {
+        return false;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        flushBits(); // See the flushBits method description
+
+        raf.write(b);
+        streamPos++;
+    }
+
+    @Override
+    public void write(byte[] b, int off, int len) throws IOException {
+        flushBits(); // See the flushBits method description
+
+        raf.write(b, off, len);
+        streamPos += len;
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0; // Should reset
+
+        int res = raf.read();
+        if (res >= 0) {
+            streamPos++;
+        }
+
+        return res;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        int numRead = raf.read(b, off, len);
+        if (numRead > 0) {
+            streamPos += numRead;
+        }
+
+        return numRead;
+    }
+
+    @Override
+    public void flushBefore(long pos) throws IOException {
+        long readFromPos = flushedPos;
+        super.flushBefore(pos);
+
+        long bytesToRead = pos - readFromPos;
+        raf.seek(readFromPos);
+
+        if (bytesToRead < MAX_BUFFER_LEN) {
+            byte buffer[] = new byte[(int)bytesToRead];
+            raf.readFully(buffer);
+            os.write(buffer);
+        } else {
+            byte buffer[] = new byte[MAX_BUFFER_LEN];
+            while (bytesToRead > 0) {
+                int count = (int)Math.min(MAX_BUFFER_LEN, bytesToRead);
+                raf.readFully(buffer, 0, count);
+                os.write(buffer, 0, count);
+                bytesToRead -= count;
+            }
+        }
+
+        os.flush();
+
+        if (pos != streamPos) {
+            raf.seek(streamPos); // Reset the position
+        }
+    }
+
+    @Override
+    public void seek(long pos) throws IOException {
+        if (pos < flushedPos) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        raf.seek(pos);
+        streamPos = raf.getFilePointer();
+        bitOffset = 0;
+    }
+
+    @Override
+    public long length() {
+        try {
+            return raf.length();
+        } catch (IOException e) {
+            return -1L;
+        }
+    }
+}
diff --git a/awt/javax/imageio/stream/FileImageInputStream.java b/awt/javax/imageio/stream/FileImageInputStream.java
new file mode 100644
index 0000000..b9b6002
--- /dev/null
+++ b/awt/javax/imageio/stream/FileImageInputStream.java
@@ -0,0 +1,122 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.stream;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.io.File;
+import java.io.FileNotFoundException;
+
+/**
+ * The FileImageInputStream class implements ImageInputStream and obtains its
+ * input data from a File or RandomAccessFile.
+ * 
+ * @since Android 1.0
+ */
+public class FileImageInputStream extends ImageInputStreamImpl {
+
+    /**
+     * The raf.
+     */
+    RandomAccessFile raf;
+
+    /**
+     * Instantiates a new FileImageInputStream from the specified File.
+     * 
+     * @param f
+     *            the File of input data.
+     * @throws FileNotFoundException
+     *             if the specified file doesn't exist.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    @SuppressWarnings( {
+        "DuplicateThrows"
+    })
+    public FileImageInputStream(File f) throws FileNotFoundException, IOException {
+        if (f == null) {
+            throw new IllegalArgumentException("f == null!");
+        }
+
+        raf = new RandomAccessFile(f, "r");
+    }
+
+    /**
+     * Instantiates a new FileImageInputStream from the specified
+     * RandomAccessFile.
+     * 
+     * @param raf
+     *            the RandomAccessFile of input data.
+     */
+    public FileImageInputStream(RandomAccessFile raf) {
+        if (raf == null) {
+            throw new IllegalArgumentException("raf == null!");
+        }
+
+        this.raf = raf;
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0;
+
+        int res = raf.read();
+        if (res != -1) {
+            streamPos++;
+        }
+        return res;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        int numRead = raf.read(b, off, len);
+        if (numRead >= 0) {
+            streamPos += numRead;
+        }
+
+        return numRead;
+    }
+
+    @Override
+    public long length() {
+        try {
+            return raf.length();
+        } catch (IOException e) {
+            return -1L;
+        }
+    }
+
+    @Override
+    public void seek(long pos) throws IOException {
+        if (pos < getFlushedPosition()) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        raf.seek(pos);
+        streamPos = raf.getFilePointer();
+        bitOffset = 0;
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        raf.close();
+    }
+}
diff --git a/awt/javax/imageio/stream/FileImageOutputStream.java b/awt/javax/imageio/stream/FileImageOutputStream.java
new file mode 100644
index 0000000..2730ba6
--- /dev/null
+++ b/awt/javax/imageio/stream/FileImageOutputStream.java
@@ -0,0 +1,128 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.stream;
+
+import java.io.*;
+
+/**
+ * The FileImageOutputStream class implements ImageOutputStream and writes the
+ * output data to a File or RandomAccessFile.
+ * 
+ * @since Android 1.0
+ */
+public class FileImageOutputStream extends ImageOutputStreamImpl {
+
+    /**
+     * The file.
+     */
+    RandomAccessFile file;
+
+    /**
+     * Instantiates a new FileImageOutputStream with the specified File.
+     * 
+     * @param f
+     *            the output File.
+     * @throws FileNotFoundException
+     *             if the file not found.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    public FileImageOutputStream(File f) throws FileNotFoundException, IOException {
+        this(f != null ? new RandomAccessFile(f, "rw") : null);
+    }
+
+    /**
+     * Instantiates a new FileImageOutputStream with the specified
+     * RandomAccessFile.
+     * 
+     * @param raf
+     *            the output RandomAccessFile.
+     */
+    public FileImageOutputStream(RandomAccessFile raf) {
+        if (raf == null) {
+            throw new IllegalArgumentException("file should not be NULL");
+        }
+        file = raf;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        checkClosed();
+        // according to the spec for ImageOutputStreamImpl#flushBits()
+        flushBits();
+        file.write(b);
+        streamPos++;
+    }
+
+    @Override
+    public void write(byte[] b, int off, int len) throws IOException {
+        checkClosed();
+        // according to the spec for ImageOutputStreamImpl#flushBits()
+        flushBits();
+        file.write(b, off, len);
+        streamPos += len;
+    }
+
+    @Override
+    public int read() throws IOException {
+        checkClosed();
+        int rt = file.read();
+        if (rt != -1) {
+            streamPos++;
+        }
+        return rt;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        checkClosed();
+        int rt = file.read(b, off, len);
+        if (rt != -1) {
+            streamPos += rt;
+        }
+        return rt;
+    }
+
+    @Override
+    public long length() {
+        try {
+            checkClosed();
+            return file.length();
+        } catch (IOException e) {
+            return super.length(); // -1L
+        }
+    }
+
+    @Override
+    public void seek(long pos) throws IOException {
+        // -- checkClosed() is performed in super.seek()
+        super.seek(pos);
+        file.seek(pos);
+        streamPos = file.getFilePointer();
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        file.close();
+    }
+}
diff --git a/awt/javax/imageio/stream/IIOByteBuffer.java b/awt/javax/imageio/stream/IIOByteBuffer.java
new file mode 100644
index 0000000..867d808
--- /dev/null
+++ b/awt/javax/imageio/stream/IIOByteBuffer.java
@@ -0,0 +1,124 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Sergey I. Salishev
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.stream;
+
+// 
+// @author Sergey I. Salishev
+// @version $Revision: 1.2 $
+//
+
+/**
+ * The IIOByteBuffer class represents a byte array with offset and length that
+ * is used by ImageInputStream for obtaining a sequence of bytes.
+ * 
+ * @since Android 1.0
+ */
+public class IIOByteBuffer {
+
+    /**
+     * The data.
+     */
+    private byte[] data;
+
+    /**
+     * The offset.
+     */
+    private int offset;
+
+    /**
+     * The length.
+     */
+    private int length;
+
+    /**
+     * Instantiates a new IIOByteBuffer.
+     * 
+     * @param data
+     *            the byte array.
+     * @param offset
+     *            the offset in the array.
+     * @param length
+     *            the length of array.
+     */
+    public IIOByteBuffer(byte[] data, int offset, int length) {
+        this.data = data;
+        this.offset = offset;
+        this.length = length;
+    }
+
+    /**
+     * Gets the byte array of this IIOByteBuffer.
+     * 
+     * @return the byte array.
+     */
+    public byte[] getData() {
+        return data;
+    }
+
+    /**
+     * Gets the length in the array which will be used.
+     * 
+     * @return the length of the data.
+     */
+    public int getLength() {
+        return length;
+    }
+
+    /**
+     * Gets the offset of this IIOByteBuffer.
+     * 
+     * @return the offset of this IIOByteBuffer.
+     */
+    public int getOffset() {
+        return offset;
+    }
+
+    /**
+     * Sets the new data array to this IIOByteBuffer object.
+     * 
+     * @param data
+     *            the new data array.
+     */
+    public void setData(byte[] data) {
+        this.data = data;
+    }
+
+    /**
+     * Sets the length of data which will be used.
+     * 
+     * @param length
+     *            the new length.
+     */
+    public void setLength(int length) {
+        this.length = length;
+    }
+
+    /**
+     * Sets the offset in the data array of this IIOByteBuffer.
+     * 
+     * @param offset
+     *            the new offset.
+     */
+    public void setOffset(int offset) {
+        this.offset = offset;
+    }
+}
diff --git a/awt/javax/imageio/stream/ImageInputStream.java b/awt/javax/imageio/stream/ImageInputStream.java
new file mode 100644
index 0000000..3dec5d2
--- /dev/null
+++ b/awt/javax/imageio/stream/ImageInputStream.java
@@ -0,0 +1,502 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.stream;
+
+import java.io.DataInput;
+import java.io.IOException;
+import java.nio.ByteOrder;
+
+/**
+ * The ImageInputStream represents input stream interface that is used by
+ * ImageReaders.
+ * 
+ * @since Android 1.0
+ */
+public interface ImageInputStream extends DataInput {
+
+    /**
+     * Sets the specified byte order for reading of data values from this
+     * stream.
+     * 
+     * @param byteOrder
+     *            the byte order.
+     */
+    void setByteOrder(ByteOrder byteOrder);
+
+    /**
+     * Gets the byte order.
+     * 
+     * @return the byte order.
+     */
+    ByteOrder getByteOrder();
+
+    /**
+     * Reads a byte from the stream.
+     * 
+     * @return the byte of the stream, or -1 for EOF indicating.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int read() throws IOException;
+
+    /**
+     * Reads number of bytes which is equal to the specified array's length and
+     * stores a result to this array.
+     * 
+     * @param b
+     *            the byte array.
+     * @return the number of read bytes, or -1 indicated EOF.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int read(byte[] b) throws IOException;
+
+    /**
+     * Reads the number of bytes specified by len parameter from the stream and
+     * stores a result to the specified array with the specified offset.
+     * 
+     * @param b
+     *            the byte array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of bytes to be read.
+     * @return the number of read bytes, or -1 indicated EOF.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int read(byte[] b, int off, int len) throws IOException;
+
+    /**
+     * Reads the number of bytes specified by len parameter from the stream, and
+     * modifies the specified IIOByteBuffer with the byte array, offset, and
+     * length.
+     * 
+     * @param buf
+     *            the IIOByteBuffer.
+     * @param len
+     *            the number of bytes to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readBytes(IIOByteBuffer buf, int len) throws IOException;
+
+    /**
+     * Reads a byte from the stream and returns a boolean true value if it is
+     * non zero, false if it is zero.
+     * 
+     * @return the boolean value for read byte.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    boolean readBoolean() throws IOException;
+
+    /**
+     * Reads a byte from the stream and returns its value as signed byte.
+     * 
+     * @return the signed byte value for read byte.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    byte readByte() throws IOException;
+
+    /**
+     * Reads a byte from the stream and returns its value as an integer.
+     * 
+     * @return the unsigned byte value for read byte as an integer.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int readUnsignedByte() throws IOException;
+
+    /**
+     * Reads 2 bytes from the stream, and returns the result as a short.
+     * 
+     * @return the signed short value from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    short readShort() throws IOException;
+
+    /**
+     * Reads 2 bytes from the stream and returns its value as an unsigned short.
+     * 
+     * @return a unsigned short value coded in an integer.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int readUnsignedShort() throws IOException;
+
+    /**
+     * Reads 2 bytes from the stream and returns their unsigned char value.
+     * 
+     * @return the unsigned char value.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    char readChar() throws IOException;
+
+    /**
+     * Reads 4 bytes from the stream, and returns the result as an integer.
+     * 
+     * @return the signed integer value from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int readInt() throws IOException;
+
+    /**
+     * Reads 4 bytes from the stream and returns its value as long.
+     * 
+     * @return the unsigned integer value as long.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long readUnsignedInt() throws IOException;
+
+    /**
+     * Reads 8 bytes from the stream, and returns the result as a long.
+     * 
+     * @return the long value from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long readLong() throws IOException;
+
+    /**
+     * Reads 4 bytes from the stream, and returns the result as a float.
+     * 
+     * @return the float value from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    float readFloat() throws IOException;
+
+    /**
+     * Reads 8 bytes from the stream, and returns the result as a double.
+     * 
+     * @return the double value from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    double readDouble() throws IOException;
+
+    /**
+     * Reads a line from the stream.
+     * 
+     * @return the string contained the line from the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    String readLine() throws IOException;
+
+    /**
+     * Reads bytes from the stream in a string that has been encoded in a
+     * modified UTF-8 format.
+     * 
+     * @return the string read from stream and modified UTF-8 format.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    String readUTF() throws IOException;
+
+    /**
+     * Reads the specified number of bytes from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param b
+     *            the byte array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of bytes to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(byte[] b, int off, int len) throws IOException;
+
+    /**
+     * Reads number of bytes from the stream which is equal to the specified
+     * array's length, and stores them into this array.
+     * 
+     * @param b
+     *            the byte array.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(byte[] b) throws IOException;
+
+    /**
+     * Reads the specified number of shorts from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param s
+     *            the short array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of shorts to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(short[] s, int off, int len) throws IOException;
+
+    /**
+     * Reads the specified number of chars from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param c
+     *            the char array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of chars to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(char[] c, int off, int len) throws IOException;
+
+    /**
+     * Reads the specified number of integer from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param i
+     *            the integer array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of integer to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(int[] i, int off, int len) throws IOException;
+
+    /**
+     * Reads the specified number of longs from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param l
+     *            the long array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of longs to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(long[] l, int off, int len) throws IOException;
+
+    /**
+     * Reads the specified number of floats from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param f
+     *            the float array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of floats to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(float[] f, int off, int len) throws IOException;
+
+    /**
+     * Reads the specified number of doubles from the stream, and stores the
+     * result into the specified array starting at the specified index offset.
+     * 
+     * @param d
+     *            the double array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of doubles to be read.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void readFully(double[] d, int off, int len) throws IOException;
+
+    /**
+     * Gets the stream position.
+     * 
+     * @return the stream position.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long getStreamPosition() throws IOException;
+
+    /**
+     * Gets the bit offset.
+     * 
+     * @return the bit offset.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int getBitOffset() throws IOException;
+
+    /**
+     * Sets the bit offset to an integer between 0 and 7.
+     * 
+     * @param bitOffset
+     *            the bit offset.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void setBitOffset(int bitOffset) throws IOException;
+
+    /**
+     * Reads a bit from the stream and returns the value 0 or 1.
+     * 
+     * @return the value of single bit: 0 or 1.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int readBit() throws IOException;
+
+    /**
+     * Read the specified number of bits and returns their values as long.
+     * 
+     * @param numBits
+     *            the number of bits to be read.
+     * @return the bit string as a long.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long readBits(int numBits) throws IOException;
+
+    /**
+     * Returns the length of the stream.
+     * 
+     * @return the length of the stream, or -1 if unknown.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long length() throws IOException;
+
+    /**
+     * Skips the specified number of bytes by moving stream position.
+     * 
+     * @param n
+     *            the number of bytes.
+     * @return the actual skipped number of bytes.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    int skipBytes(int n) throws IOException;
+
+    /**
+     * Skips the specified number of bytes by moving stream position.
+     * 
+     * @param n
+     *            the number of bytes.
+     * @return the actual skipped number of bytes.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    long skipBytes(long n) throws IOException;
+
+    /**
+     * Sets the current stream position to the specified location.
+     * 
+     * @param pos
+     *            a file pointer position.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void seek(long pos) throws IOException;
+
+    /**
+     * Marks a position in the stream to be returned to by a subsequent call to
+     * reset.
+     */
+    void mark();
+
+    /**
+     * Returns the file pointer to its previous position.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void reset() throws IOException;
+
+    /**
+     * Flushes the initial position in this stream prior to the specified stream
+     * position.
+     * 
+     * @param pos
+     *            the position.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void flushBefore(long pos) throws IOException;
+
+    /**
+     * Flushes the initial position in this stream prior to the current stream
+     * position.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void flush() throws IOException;
+
+    /**
+     * Gets the flushed position.
+     * 
+     * @return the flushed position.
+     */
+    long getFlushedPosition();
+
+    /**
+     * Returns true if this ImageInputStream caches data in order to allow
+     * seeking backwards.
+     * 
+     * @return true, if this ImageInputStream caches data in order to allow
+     *         seeking backwards, false otherwise.
+     */
+    boolean isCached();
+
+    /**
+     * Returns true if this ImageInputStream caches data in order to allow
+     * seeking backwards, and keeps it in memory.
+     * 
+     * @return true, if this ImageInputStream caches data in order to allow
+     *         seeking backwards, and keeps it in memory.
+     */
+    boolean isCachedMemory();
+
+    /**
+     * Returns true if this ImageInputStream caches data in order to allow
+     * seeking backwards, and keeps it in a temporary file.
+     * 
+     * @return true, if this ImageInputStream caches data in order to allow
+     *         seeking backwards, and keeps it in a temporary file.
+     */
+    boolean isCachedFile();
+
+    /**
+     * Closes this stream.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void close() throws IOException;
+}
diff --git a/awt/javax/imageio/stream/ImageInputStreamImpl.java b/awt/javax/imageio/stream/ImageInputStreamImpl.java
new file mode 100644
index 0000000..d79da41
--- /dev/null
+++ b/awt/javax/imageio/stream/ImageInputStreamImpl.java
@@ -0,0 +1,418 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.stream;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.nio.ByteOrder;
+
+/**
+ * The ImageInputStreamImpl abstract class implements the ImageInputStream
+ * interface.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageInputStreamImpl implements ImageInputStream {
+
+    /**
+     * The byte order.
+     */
+    protected ByteOrder byteOrder = ByteOrder.BIG_ENDIAN;
+
+    /**
+     * The stream position.
+     */
+    protected long streamPos = 0;
+
+    /**
+     * The flushed position.
+     */
+    protected long flushedPos = 0;
+
+    /**
+     * The bit offset.
+     */
+    protected int bitOffset = 0;
+
+    /**
+     * The closed.
+     */
+    private boolean closed = false;
+
+    /**
+     * The position stack.
+     */
+    private final PositionStack posStack = new PositionStack();
+
+    /**
+     * Instantiates a new ImageInputStreamImpl.
+     */
+    public ImageInputStreamImpl() {
+    }
+
+    /**
+     * Check if the stream is closed and if true, throws an IOException.
+     * 
+     * @throws IOException
+     *             if the stream is closed.
+     */
+    protected final void checkClosed() throws IOException {
+        if (closed) {
+            throw new IOException("stream is closed");
+        }
+    }
+
+    public void setByteOrder(ByteOrder byteOrder) {
+        this.byteOrder = byteOrder;
+    }
+
+    public ByteOrder getByteOrder() {
+        return byteOrder;
+    }
+
+    public abstract int read() throws IOException;
+
+    public int read(byte[] b) throws IOException {
+        return read(b, 0, b.length);
+    }
+
+    public abstract int read(byte[] b, int off, int len) throws IOException;
+
+    public void readBytes(IIOByteBuffer buf, int len) throws IOException {
+        if (buf == null) {
+            throw new NullPointerException("buffer is NULL");
+        }
+
+        byte[] b = new byte[len];
+        len = read(b, 0, b.length);
+
+        buf.setData(b);
+        buf.setOffset(0);
+        buf.setLength(len);
+    }
+
+    public boolean readBoolean() throws IOException {
+        int b = read();
+        if (b < 0) {
+            throw new EOFException("EOF reached");
+        }
+        return b != 0;
+    }
+
+    public byte readByte() throws IOException {
+        int b = read();
+        if (b < 0) {
+            throw new EOFException("EOF reached");
+        }
+        return (byte)b;
+    }
+
+    public int readUnsignedByte() throws IOException {
+        int b = read();
+        if (b < 0) {
+            throw new EOFException("EOF reached");
+        }
+        return b;
+    }
+
+    public short readShort() throws IOException {
+        int b1 = read();
+        int b2 = read();
+
+        if (b1 < 0 || b2 < 0) {
+            throw new EOFException("EOF reached");
+        }
+
+        return byteOrder == ByteOrder.BIG_ENDIAN ? (short)((b1 << 8) | (b2 & 0xff))
+                : (short)((b2 << 8) | (b1 & 0xff));
+    }
+
+    public int readUnsignedShort() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public char readChar() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public int readInt() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long readUnsignedInt() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long readLong() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public float readFloat() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public double readDouble() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public String readLine() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public String readUTF() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(byte[] b, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(byte[] b) throws IOException {
+        readFully(b, 0, b.length);
+    }
+
+    public void readFully(short[] s, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(char[] c, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(int[] i, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(long[] l, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(float[] f, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void readFully(double[] d, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long getStreamPosition() throws IOException {
+        checkClosed();
+        return streamPos;
+    }
+
+    public int getBitOffset() throws IOException {
+        checkClosed();
+        return bitOffset;
+    }
+
+    public void setBitOffset(int bitOffset) throws IOException {
+        checkClosed();
+        this.bitOffset = bitOffset;
+    }
+
+    public int readBit() throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long readBits(int numBits) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long length() {
+        return -1L;
+    }
+
+    public int skipBytes(int n) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public long skipBytes(long n) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void seek(long pos) throws IOException {
+        checkClosed();
+        if (pos < getFlushedPosition()) {
+            throw new IllegalArgumentException("trying to seek before flushed pos");
+        }
+        bitOffset = 0;
+        streamPos = pos;
+    }
+
+    public void mark() {
+        try {
+            posStack.push(getStreamPosition());
+        } catch (IOException e) {
+            e.printStackTrace();
+            throw new RuntimeException("Stream marking error");
+        }
+    }
+
+    public void reset() throws IOException {
+        // -- TODO bit pos
+        if (!posStack.isEmpty()) {
+            long p = posStack.pop();
+            if (p < flushedPos) {
+                throw new IOException("marked position lies in the flushed portion of the stream");
+            }
+            seek(p);
+        }
+    }
+
+    public void flushBefore(long pos) throws IOException {
+        if (pos > getStreamPosition()) {
+            throw new IndexOutOfBoundsException("Trying to flush outside of current position");
+        }
+        if (pos < flushedPos) {
+            throw new IndexOutOfBoundsException("Trying to flush within already flushed portion");
+        }
+        flushedPos = pos;
+        // -- TODO implement
+    }
+
+    public void flush() throws IOException {
+        flushBefore(getStreamPosition());
+    }
+
+    public long getFlushedPosition() {
+        return flushedPos;
+    }
+
+    public boolean isCached() {
+        return false; // def
+    }
+
+    public boolean isCachedMemory() {
+        return false; // def
+    }
+
+    public boolean isCachedFile() {
+        return false; // def
+    }
+
+    public void close() throws IOException {
+        checkClosed();
+        closed = true;
+
+    }
+
+    /**
+     * Finalizes this object.
+     * 
+     * @throws Throwable
+     *             if an error occurs.
+     */
+    @Override
+    protected void finalize() throws Throwable {
+        if (!closed) {
+            try {
+                close();
+            } finally {
+                super.finalize();
+            }
+        }
+    }
+
+    /**
+     * The Class PositionStack.
+     */
+    private static class PositionStack {
+
+        /**
+         * The Constant SIZE.
+         */
+        private static final int SIZE = 10;
+
+        /**
+         * The values.
+         */
+        private long[] values = new long[SIZE];
+
+        /**
+         * The pos.
+         */
+        private int pos = 0;
+
+        /**
+         * Push.
+         * 
+         * @param v
+         *            the v.
+         */
+        void push(long v) {
+            if (pos >= values.length) {
+                ensure(pos + 1);
+            }
+            values[pos++] = v;
+        }
+
+        /**
+         * Pop.
+         * 
+         * @return the long.
+         */
+        long pop() {
+            return values[--pos];
+        }
+
+        /**
+         * Checks if is empty.
+         * 
+         * @return true, if is empty.
+         */
+        boolean isEmpty() {
+            return pos == 0;
+        }
+
+        /**
+         * Ensure.
+         * 
+         * @param size
+         *            the size.
+         */
+        private void ensure(int size) {
+            long[] arr = new long[Math.max(2 * values.length, size)];
+            System.arraycopy(values, 0, arr, 0, values.length);
+            values = arr;
+        }
+    }
+}
diff --git a/awt/javax/imageio/stream/ImageOutputStream.java b/awt/javax/imageio/stream/ImageOutputStream.java
new file mode 100644
index 0000000..28ec932
--- /dev/null
+++ b/awt/javax/imageio/stream/ImageOutputStream.java
@@ -0,0 +1,307 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.2 $
+ */
+
+package javax.imageio.stream;
+
+import java.io.DataOutput;
+import java.io.IOException;
+
+/**
+ * The ImageOutputStream represents output stream interface that is used by
+ * ImageWriters.
+ * 
+ * @since Android 1.0
+ */
+public interface ImageOutputStream extends DataOutput, ImageInputStream {
+
+    /**
+     * Writes a single byte to the stream at the current position.
+     * 
+     * @param b
+     *            the integer value, of which the 8 lowest bits will be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void write(int b) throws IOException;
+
+    /**
+     * Writes the bytes array to the stream.
+     * 
+     * @param b
+     *            the byte array to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void write(byte[] b) throws IOException;
+
+    /**
+     * Writes a number of bytes from the specified byte array beginning from the
+     * specified offset.
+     * 
+     * @param b
+     *            the byte array.
+     * @param off
+     *            the offset.
+     * @param len
+     *            the number of bytes to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void write(byte[] b, int off, int len) throws IOException;
+
+    /**
+     * Writes the specified boolean value to the stream, 1 if it is true, 0 if
+     * it is false.
+     * 
+     * @param b
+     *            the boolean value to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeBoolean(boolean b) throws IOException;
+
+    /**
+     * Writes the 8 lowest bits of the specified integer value to the stream.
+     * 
+     * @param b
+     *            the specified integer value.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeByte(int b) throws IOException;
+
+    /**
+     * Writes a short value to the output stream.
+     * 
+     * @param v
+     *            the short value to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeShort(int v) throws IOException;
+
+    /**
+     * Writes the 16 lowest bits of the specified integer value to the stream.
+     * 
+     * @param v
+     *            the specified integer value.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeChar(int v) throws IOException;
+
+    /**
+     * Writes an integer value to the output stream.
+     * 
+     * @param v
+     *            the integer value to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeInt(int v) throws IOException;
+
+    /**
+     * Write long.
+     * 
+     * @param v
+     *            the long value.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeLong(long v) throws IOException;
+
+    /**
+     * Writes a float value to the output stream.
+     * 
+     * @param v
+     *            the float which contains value to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeFloat(float v) throws IOException;
+
+    /**
+     * Writes a double value to the output stream.
+     * 
+     * @param v
+     *            the double which contains value to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeDouble(double v) throws IOException;
+
+    /**
+     * Writes the specified string to the stream.
+     * 
+     * @param s
+     *            the string to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeBytes(String s) throws IOException;
+
+    /**
+     * Writes the specified String to the output stream.
+     * 
+     * @param s
+     *            the String to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeChars(String s) throws IOException;
+
+    /**
+     * Writes 2 bytes to the output stream in the modified UTF-8 representation
+     * of every character of the specified string.
+     * 
+     * @param s
+     *            the specified string to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeUTF(String s) throws IOException;
+
+    /**
+     * Flushes the initial position in this stream prior to the specified stream
+     * position.
+     * 
+     * @param pos
+     *            the position.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void flushBefore(long pos) throws IOException;
+
+    /**
+     * Writes a len number of short values from the specified array to the
+     * stream.
+     * 
+     * @param s
+     *            the shorts array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeShorts(short[] s, int off, int len) throws IOException;
+
+    /**
+     * Writes a len number of chars to the stream.
+     * 
+     * @param c
+     *            the char array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeChars(char[] c, int off, int len) throws IOException;
+
+    /**
+     * Writes a len number of integer values from the specified array to the
+     * stream.
+     * 
+     * @param i
+     *            the integer array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeInts(int[] i, int off, int len) throws IOException;
+
+    /**
+     * Writes a len number of long values from the specified array to the
+     * stream.
+     * 
+     * @param l
+     *            the long array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeLongs(long[] l, int off, int len) throws IOException;
+
+    /**
+     * Writes a len number of float values from the specified array to the
+     * stream.
+     * 
+     * @param f
+     *            the float array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeFloats(float[] f, int off, int len) throws IOException;
+
+    /**
+     * Writes a len number of double values from the specified array to the
+     * stream.
+     * 
+     * @param d
+     *            the double array to be written.
+     * @param off
+     *            the offset in the char array.
+     * @param len
+     *            the length of chars to be written.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeDoubles(double[] d, int off, int len) throws IOException;
+
+    /**
+     * Writes a single bit at the current position.
+     * 
+     * @param bit
+     *            the integer whose least significant bit is to be written to
+     *            the stream.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeBit(int bit) throws IOException;
+
+    /**
+     * Writes a sequence of bits beginning from the current position.
+     * 
+     * @param bits
+     *            the long value containing the bits to be written, starting
+     *            with the bit in position numBits - 1 down to the least
+     *            significant bit.
+     * @param numBits
+     *            the number of significant bit, it can be between 0 and 64.
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    void writeBits(long bits, int numBits) throws IOException;
+
+}
diff --git a/awt/javax/imageio/stream/ImageOutputStreamImpl.java b/awt/javax/imageio/stream/ImageOutputStreamImpl.java
new file mode 100644
index 0000000..0fef78f
--- /dev/null
+++ b/awt/javax/imageio/stream/ImageOutputStreamImpl.java
@@ -0,0 +1,174 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+package javax.imageio.stream;
+
+import java.io.IOException;
+import java.nio.ByteOrder;
+
+/* 
+ * @author Rustem V. Rafikov
+ * @version $Revision: 1.3 $
+ */
+
+/**
+ * The ImageOutputStreamImpl abstract class implements the ImageOutputStream
+ * interface.
+ * 
+ * @since Android 1.0
+ */
+public abstract class ImageOutputStreamImpl extends ImageInputStreamImpl implements
+        ImageOutputStream {
+
+    /**
+     * Instantiates a new ImageOutputStreamImpl.
+     */
+    public ImageOutputStreamImpl() {
+    }
+
+    public abstract void write(int b) throws IOException;
+
+    public void write(byte[] b) throws IOException {
+        write(b, 0, b.length);
+    }
+
+    public abstract void write(byte[] b, int off, int len) throws IOException;
+
+    public void writeBoolean(boolean v) throws IOException {
+        write(v ? 1 : 0);
+    }
+
+    public void writeByte(int v) throws IOException {
+        write(v);
+    }
+
+    public void writeShort(int v) throws IOException {
+        if (byteOrder == ByteOrder.BIG_ENDIAN) {
+
+        } else {
+
+        }
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeChar(int v) throws IOException {
+        writeShort(v);
+    }
+
+    public void writeInt(int v) throws IOException {
+        if (byteOrder == ByteOrder.BIG_ENDIAN) {
+
+        } else {
+
+        }
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeLong(long v) throws IOException {
+        if (byteOrder == ByteOrder.BIG_ENDIAN) {
+
+        } else {
+
+        }
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeFloat(float v) throws IOException {
+        writeInt(Float.floatToIntBits(v));
+    }
+
+    public void writeDouble(double v) throws IOException {
+        writeLong(Double.doubleToLongBits(v));
+    }
+
+    public void writeBytes(String s) throws IOException {
+        write(s.getBytes());
+    }
+
+    public void writeChars(String s) throws IOException {
+        char[] chs = s.toCharArray();
+        writeChars(chs, 0, chs.length);
+    }
+
+    public void writeUTF(String s) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeShorts(short[] s, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeChars(char[] c, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeInts(int[] i, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeLongs(long[] l, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeFloats(float[] f, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeDoubles(double[] d, int off, int len) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeBit(int bit) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    public void writeBits(long bits, int numBits) throws IOException {
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    /**
+     * Flushes the bits. This method should be called in the write methods by
+     * subclasses.
+     * 
+     * @throws IOException
+     *             if an I/O exception has occurred.
+     */
+    protected final void flushBits() throws IOException {
+        if (bitOffset == 0) {
+            return;
+        }
+
+        // -- TODO implement
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+}
diff --git a/awt/javax/imageio/stream/MemoryCacheImageInputStream.java b/awt/javax/imageio/stream/MemoryCacheImageInputStream.java
new file mode 100644
index 0000000..d7fc791
--- /dev/null
+++ b/awt/javax/imageio/stream/MemoryCacheImageInputStream.java
@@ -0,0 +1,119 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.stream;
+
+import org.apache.harmony.x.imageio.stream.RandomAccessMemoryCache;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * The MemoryCacheImageInputStream class implements ImageInputStream using a
+ * memory buffer for caching the data.
+ * 
+ * @since Android 1.0
+ */
+public class MemoryCacheImageInputStream extends ImageInputStreamImpl {
+
+    /**
+     * The is.
+     */
+    private InputStream is;
+
+    /**
+     * The ramc.
+     */
+    private RandomAccessMemoryCache ramc = new RandomAccessMemoryCache();
+
+    /**
+     * Instantiates a new MemoryCacheImageInputStream which reads from the
+     * specified InputStream.
+     * 
+     * @param stream
+     *            the InputStream to be read.
+     */
+    public MemoryCacheImageInputStream(InputStream stream) {
+        if (stream == null) {
+            throw new IllegalArgumentException("stream == null!");
+        }
+        is = stream;
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0;
+
+        if (streamPos >= ramc.length()) {
+            int count = (int)(streamPos - ramc.length() + 1);
+            int bytesAppended = ramc.appendData(is, count);
+
+            if (bytesAppended < count) {
+                return -1;
+            }
+        }
+
+        int res = ramc.getData(streamPos);
+        if (res >= 0) {
+            streamPos++;
+        }
+        return res;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        if (streamPos >= ramc.length()) {
+            int count = (int)(streamPos - ramc.length() + len);
+            ramc.appendData(is, count);
+        }
+
+        int res = ramc.getData(b, off, len, streamPos);
+        if (res > 0) {
+            streamPos += res;
+        }
+        return res;
+    }
+
+    @Override
+    public boolean isCached() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedFile() {
+        return false;
+    }
+
+    @Override
+    public boolean isCachedMemory() {
+        return true;
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        ramc.close();
+    }
+
+    @Override
+    public void flushBefore(long pos) throws IOException {
+        super.flushBefore(pos);
+        ramc.freeBefore(getFlushedPosition());
+    }
+}
diff --git a/awt/javax/imageio/stream/MemoryCacheImageOutputStream.java b/awt/javax/imageio/stream/MemoryCacheImageOutputStream.java
new file mode 100644
index 0000000..1df40a3
--- /dev/null
+++ b/awt/javax/imageio/stream/MemoryCacheImageOutputStream.java
@@ -0,0 +1,135 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package javax.imageio.stream;
+
+import org.apache.harmony.x.imageio.stream.RandomAccessMemoryCache;
+
+import java.io.OutputStream;
+import java.io.IOException;
+
+/**
+ * The MemoryCacheImageOutputStream class implements ImageOutputStream using a
+ * memory buffer for caching the data.
+ * 
+ * @since Android 1.0
+ */
+public class MemoryCacheImageOutputStream extends ImageOutputStreamImpl {
+
+    /**
+     * The os.
+     */
+    OutputStream os;
+
+    /**
+     * The ramc.
+     */
+    RandomAccessMemoryCache ramc = new RandomAccessMemoryCache();
+
+    /**
+     * Instantiates a new MemoryCacheImageOutputStream which writes to the
+     * specified OutputStream.
+     * 
+     * @param stream
+     *            the OutputStream.
+     */
+    public MemoryCacheImageOutputStream(OutputStream stream) {
+        if (stream == null) {
+            throw new IllegalArgumentException("stream == null!");
+        }
+        os = stream;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        flushBits(); // See the flushBits method description
+
+        ramc.putData(b, streamPos);
+        streamPos++;
+    }
+
+    @Override
+    public void write(byte[] b, int off, int len) throws IOException {
+        flushBits(); // See the flushBits method description
+
+        ramc.putData(b, off, len, streamPos);
+        streamPos += len;
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0;
+
+        int res = ramc.getData(streamPos);
+        if (res >= 0) {
+            streamPos++;
+        }
+        return res;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        int res = ramc.getData(b, off, len, streamPos);
+        if (res > 0) {
+            streamPos += res;
+        }
+        return res;
+    }
+
+    @Override
+    public long length() {
+        return ramc.length();
+    }
+
+    @Override
+    public boolean isCached() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedMemory() {
+        return true;
+    }
+
+    @Override
+    public boolean isCachedFile() {
+        return false;
+    }
+
+    @Override
+    public void close() throws IOException {
+        flushBefore(length());
+        super.close();
+        ramc.close();
+    }
+
+    @Override
+    public void flushBefore(long pos) throws IOException {
+        long flushedPosition = getFlushedPosition();
+        super.flushBefore(pos);
+
+        long newFlushedPosition = getFlushedPosition();
+        int nBytes = (int)(newFlushedPosition - flushedPosition);
+
+        ramc.getData(os, nBytes, flushedPosition);
+        ramc.freeBefore(newFlushedPosition);
+
+        os.flush();
+    }
+}
diff --git a/awt/javax/imageio/stream/package.html b/awt/javax/imageio/stream/package.html
new file mode 100644
index 0000000..6cf53c3
--- /dev/null
+++ b/awt/javax/imageio/stream/package.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <p>
+      This package contains classes and interfaces for handling images with low-level I/O operations. 
+    </p>
+  @since Android 1.0
+  </body>
+</html>