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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /awt/javax/imageio/spi/ImageReaderWriterSpi.java
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
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diff --git a/awt/javax/imageio/spi/ImageReaderWriterSpi.java b/awt/javax/imageio/spi/ImageReaderWriterSpi.java
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-/*
- * 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;
- }
-}