1 files changed, 86 insertions, 0 deletions
diff --git a/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageReaderSpi.java b/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageReaderSpi.java
new file mode 100644
index 0000000..c719ce7
--- /dev/null
+++ b/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageReaderSpi.java
@@ -0,0 +1,86 @@
+/*
+ *  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 org.apache.harmony.x.imageio.plugins.jpeg;
+
+import java.io.IOException;
+import java.util.Locale;
+import javax.imageio.ImageReader;
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.spi.ServiceRegistry;
+import javax.imageio.stream.ImageInputStream;
+
+public class JPEGImageReaderSpi extends ImageReaderSpi {
+
+    public JPEGImageReaderSpi() {
+        super(JPEGSpiConsts.vendorName, JPEGSpiConsts.version,
+                JPEGSpiConsts.names, JPEGSpiConsts.suffixes,
+                JPEGSpiConsts.MIMETypes, JPEGSpiConsts.readerClassName,
+                STANDARD_INPUT_TYPE, JPEGSpiConsts.writerSpiNames,
+                JPEGSpiConsts.supportsStandardStreamMetadataFormat,
+                JPEGSpiConsts.nativeStreamMetadataFormatName,
+                JPEGSpiConsts.nativeStreamMetadataFormatClassName,
+                JPEGSpiConsts.extraStreamMetadataFormatNames,
+                JPEGSpiConsts.extraStreamMetadataFormatClassNames,
+                JPEGSpiConsts.supportsStandardImageMetadataFormat,
+                JPEGSpiConsts.nativeImageMetadataFormatName,
+                JPEGSpiConsts.nativeImageMetadataFormatClassName,
+                JPEGSpiConsts.extraImageMetadataFormatNames,
+                JPEGSpiConsts.extraImageMetadataFormatClassNames);
+    }
+
+
+    @Override
+    public boolean canDecodeInput(Object source) throws IOException {
+        ImageInputStream markable = (ImageInputStream) source;
+        try {
+            markable.mark();
+
+            byte[] signature = new byte[3];
+            markable.seek(0);
+            markable.read(signature, 0, 3);
+            markable.reset();
+
+            if ((signature[0] & 0xFF) == 0xFF &&
+                    (signature[1] & 0xFF) == JPEGConsts.SOI &&
+                    (signature[2] & 0xFF) == 0xFF) { // JPEG
+                return true;
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
+    @Override
+    public ImageReader createReaderInstance(Object extension) throws IOException {
+        return new JPEGImageReader(this);
+    }
+
+    @Override
+    public String getDescription(Locale locale) {
+        return "DRL JPEG decoder";
+    }
+
+    @Override
+    public void onRegistration(ServiceRegistry registry, Class<?> category) {
+        // super.onRegistration(registry, category);
+    }
+}