Initial Contribution
diff --git a/awt/javax/imageio/spi/IIORegistry.java b/awt/javax/imageio/spi/IIORegistry.java
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+++ b/awt/javax/imageio/spi/IIORegistry.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 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.
+ */
+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 builtin 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
+ }
+}