diff options
Diffstat (limited to 'libjava/javax/imageio/spi')
| -rw-r--r-- | libjava/javax/imageio/spi/IIORegistry.java | 103 | ||||
| -rw-r--r-- | libjava/javax/imageio/spi/ImageInputStreamSpi.java | 2 | ||||
| -rw-r--r-- | libjava/javax/imageio/spi/ImageOutputStreamSpi.java | 2 | ||||
| -rw-r--r-- | libjava/javax/imageio/spi/ImageReaderSpi.java | 121 | ||||
| -rw-r--r-- | libjava/javax/imageio/spi/ImageWriterSpi.java | 135 | ||||
| -rw-r--r-- | libjava/javax/imageio/spi/ServiceRegistry.java | 20 |
6 files changed, 377 insertions, 6 deletions
diff --git a/libjava/javax/imageio/spi/IIORegistry.java b/libjava/javax/imageio/spi/IIORegistry.java new file mode 100644 index 0000000..7728cf4 --- /dev/null +++ b/libjava/javax/imageio/spi/IIORegistry.java @@ -0,0 +1,103 @@ +/* IIORegistry.java -- + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.imageio.spi; + +import gnu.classpath.ServiceFactory; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; + +public final class IIORegistry extends ServiceRegistry +{ + private static final HashSet defaultCategories = new HashSet(); + + private static HashMap instances = new HashMap(); + + static + { + //defaultCategories.add(ImageReaderSpi.class); + //defaultCategories.add(ImageWriterSpi.class); + defaultCategories.add(ImageTranscoderSpi.class); + defaultCategories.add(ImageInputStreamSpi.class); + defaultCategories.add(ImageOutputStreamSpi.class); + } + + public static synchronized IIORegistry getDefaultInstance() + { + ThreadGroup group = Thread.currentThread().getThreadGroup(); + IIORegistry registry = (IIORegistry) instances.get(group); + + if (registry == null) + { + registry = new IIORegistry(); + instances.put(group, registry); + } + + return registry; + } + + private IIORegistry() + { + super(defaultCategories.iterator()); + + // XXX: Register built-in Spis here. + + registerApplicationClasspathSpis(); + } + + /** + * Registers all available service providers found on the application + * classpath. + */ + public void registerApplicationClasspathSpis() + { + ClassLoader loader = Thread.currentThread().getContextClassLoader(); + Iterator categories = getCategories(); + + while (categories.hasNext()) + { + Class category = (Class) categories.next(); + Iterator providers = ServiceFactory.lookupProviders(category, loader); + + while (providers.hasNext()) + registerServiceProvider((IIOServiceProvider) providers.next()); + } + } +} diff --git a/libjava/javax/imageio/spi/ImageInputStreamSpi.java b/libjava/javax/imageio/spi/ImageInputStreamSpi.java index b8d5854..6e33d1d 100644 --- a/libjava/javax/imageio/spi/ImageInputStreamSpi.java +++ b/libjava/javax/imageio/spi/ImageInputStreamSpi.java @@ -40,8 +40,8 @@ package javax.imageio.spi; import java.io.File; import java.io.IOException; -import javax.imageio.stream.ImageInputStream; +import javax.imageio.stream.ImageInputStream; /** * An abstract superclass for service providers that create diff --git a/libjava/javax/imageio/spi/ImageOutputStreamSpi.java b/libjava/javax/imageio/spi/ImageOutputStreamSpi.java index aa287c3..935aa7c 100644 --- a/libjava/javax/imageio/spi/ImageOutputStreamSpi.java +++ b/libjava/javax/imageio/spi/ImageOutputStreamSpi.java @@ -40,8 +40,8 @@ package javax.imageio.spi; import java.io.File; import java.io.IOException; -import javax.imageio.stream.ImageOutputStream; +import javax.imageio.stream.ImageOutputStream; /** * An abstract superclass for service providers that create diff --git a/libjava/javax/imageio/spi/ImageReaderSpi.java b/libjava/javax/imageio/spi/ImageReaderSpi.java new file mode 100644 index 0000000..e041c37 --- /dev/null +++ b/libjava/javax/imageio/spi/ImageReaderSpi.java @@ -0,0 +1,121 @@ +/* ImageReaderSpi.java -- + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.imageio.spi; + +import java.io.IOException; + +import javax.imageio.ImageReader; +import javax.imageio.stream.ImageInputStream; + +/** + * @author Michael Koch (konqueror@gmx.de) + */ +public abstract class ImageReaderSpi extends ImageReaderWriterSpi +{ + public static final Class[] STANDARD_INPUT_TYPE = + { ImageInputStream.class }; + + protected Class[] inputTypes; + protected String[] writerSpiNames; + + protected ImageReaderSpi() + { + // Do nothing here. + } + + public ImageReaderSpi(String vendorName, String version, String[] names, + String[] suffixes, String[] MIMETypes, + String readerClassName, 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, readerClassName, + supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName, + nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames, + extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat, + nativeImageMetadataFormatName, nativeImageMetadataFormatClassName, + extraImageMetadataFormatNames, extraImageMetadataFormatClassNames); + + if (inputTypes == null + || inputTypes.length == 0) + throw new IllegalArgumentException("inputTypes may not be null or empty"); + + this.inputTypes = inputTypes; + this.writerSpiNames = writerSpiNames; + } + + public abstract boolean canDecodeInput(Object source) + throws IOException; + + public ImageReader createReaderInstance() + throws IOException + { + return createReaderInstance(null); + } + + public abstract ImageReader createReaderInstance(Object extension) + throws IOException; + + public String[] getImageWriterSpiNames() + { + return writerSpiNames; + } + + public Class[] getInputTypes() + { + return inputTypes; + } + + public boolean isOwnReader(ImageReader reader) + { + if (reader == null) + throw new IllegalArgumentException("reader may not be null"); + + return pluginClassName.equals(reader.getClass().getName()); + } +} diff --git a/libjava/javax/imageio/spi/ImageWriterSpi.java b/libjava/javax/imageio/spi/ImageWriterSpi.java new file mode 100644 index 0000000..306408d --- /dev/null +++ b/libjava/javax/imageio/spi/ImageWriterSpi.java @@ -0,0 +1,135 @@ +/* ImageWriterSpi.java -- + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.imageio.spi; + +import java.awt.image.RenderedImage; +import java.io.IOException; + +import javax.imageio.ImageTypeSpecifier; +import javax.imageio.ImageWriter; +import javax.imageio.stream.ImageOutputStream; + +/** + * @author Michael Koch (konqueror@gmx.de) + */ +public abstract class ImageWriterSpi extends ImageReaderWriterSpi +{ + public static final Class[] STANDARD_OUTPUT_TYPE = + { ImageOutputStream.class }; + + protected Class[] outputTypes; + protected String[] readerSpiNames; + + protected ImageWriterSpi() + { + // Do nothing here. + } + + public ImageWriterSpi(String vendorName, String version, String[] names, + String[] suffixes, String[] MIMETypes, + String writerClassName, 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, writerClassName, + supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName, + nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames, + extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat, + nativeImageMetadataFormatName, nativeImageMetadataFormatClassName, + extraImageMetadataFormatNames, extraImageMetadataFormatClassNames); + + if (writerClassName == null) + throw new IllegalArgumentException("writerClassName is null"); + + if (outputTypes == null + || outputTypes.length == 0) + throw new IllegalArgumentException("outputTypes may not be null or empty"); + + this.outputTypes = outputTypes; + this.readerSpiNames = readerSpiNames; + } + + public abstract boolean canEncodeImage(ImageTypeSpecifier type); + + public boolean canEncodeImage(RenderedImage image) + { + return canEncodeImage (new ImageTypeSpecifier(image)); + } + + public ImageWriter createWriterInstance() + throws IOException + { + return createWriterInstance(null); + } + + public abstract ImageWriter createWriterInstance(Object extension) + throws IOException; + + public String[] getImageReaderSpiNames() + { + return readerSpiNames; + } + + public Class[] getOutputTypes() + { + return outputTypes; + } + + public boolean isFormatLossless() + { + return true; + } + + public boolean isOwnWriter(ImageWriter writer) + { + if (writer == null) + throw new IllegalArgumentException("writer may not be null"); + + return pluginClassName.equals(writer.getClass().getName()); + } +} diff --git a/libjava/javax/imageio/spi/ServiceRegistry.java b/libjava/javax/imageio/spi/ServiceRegistry.java index c41e1b5..566d50f 100644 --- a/libjava/javax/imageio/spi/ServiceRegistry.java +++ b/libjava/javax/imageio/spi/ServiceRegistry.java @@ -38,9 +38,19 @@ exception statement from your version. */ package javax.imageio.spi; -import java.util.*; import gnu.classpath.ServiceFactory; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Comparator; +import java.util.HashSet; +import java.util.IdentityHashMap; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.Set; /** * A registry for service providers. @@ -100,6 +110,8 @@ public class ServiceRegistry /** * Constructs a <code>ServiceRegistry</code> for the specified * service categories. + * + * @param categories the categories to support * * @throws IllegalArgumentException if <code>categories</code> is * <code>null</code>, or if its {@link Iterator#next()} method @@ -141,7 +153,7 @@ public class ServiceRegistry * might make sense to install only the frequently needed service * providers on the local machine. More exotic providers can be put * onto a server; the server will only be contacted when no suitable - * service could be found locally. + * service could be found locally.</p> * * <p><b>Security considerations:</b> Any loaded service providers * are loaded through the specified ClassLoader, or the system @@ -150,7 +162,7 @@ public class ServiceRegistry * the current {@link java.security.AccessControlContext} gets * recorded. This captured security context will determine the * permissions when services get loaded via the <code>next()</code> - * method of the returned <code>Iterator</code>. + * method of the returned <code>Iterator</code>.</p> * * @param spi the service provider interface which must be * implemented by any loaded service providers. @@ -474,7 +486,7 @@ public class ServiceRegistry * invoked in order to inform the provider about the removal from * this registry. If <code>provider</code> implements several * service categories, <code>onDeregistration</code> gets called - * multiple times. + * multiple times.</p> * * @param provider the service provider to be de-registered. * |