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+/* JPEGImageReaderSpi.java --
+ Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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 gnu.javax.imageio.jpeg;
+
+import java.io.IOException;
+import java.util.Locale;
+import javax.imageio.ImageReader;
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.spi.IIORegistry;
+import javax.imageio.stream.ImageInputStream;
+
+public class JPEGImageReaderSpi extends ImageReaderSpi
+{
+ static final String vendorName = "GNU";
+ static final String version = "0.1";
+ static final String readerClassName =
+ "gnu.javax.imageio.jpeg.JPEGImageReader";
+ static final String[] names = { "JPEG" };
+ static final String[] suffixes = { ".jpeg", ".jpg", ".jpe" };
+ static final String[] MIMETypes = { "image/jpeg" };
+ static final String[] writerSpiNames =
+ { "gnu.javax.imageio.jpeg.JPEGImageWriterSpi" };
+
+ static final boolean supportsStandardStreamMetadataFormat = false;
+ static final String nativeStreamMetadataFormatName = null;
+ static final String nativeStreamMetadataFormatClassName = null;
+ static final String[] extraStreamMetadataFormatNames = null;
+ static final String[] extraStreamMetadataFormatClassNames = null;
+ static final boolean supportsStandardImageMetadataFormat = false;
+ static final String nativeImageMetadataFormatName = null;
+ static final String nativeImageMetadataFormatClassName = null;
+ static final String[] extraImageMetadataFormatNames = null;
+ static final String[] extraImageMetadataFormatClassNames = null;
+
+ private static JPEGImageReaderSpi readerSpi;
+
+ public JPEGImageReaderSpi()
+ {
+ super(vendorName, version,
+ names, suffixes, MIMETypes,
+ readerClassName,
+ STANDARD_INPUT_TYPE, // Accept ImageInputStreams
+ writerSpiNames,
+ supportsStandardStreamMetadataFormat,
+ nativeStreamMetadataFormatName,
+ nativeStreamMetadataFormatClassName,
+ extraStreamMetadataFormatNames,
+ extraStreamMetadataFormatClassNames,
+ supportsStandardImageMetadataFormat,
+ nativeImageMetadataFormatName,
+ nativeImageMetadataFormatClassName,
+ extraImageMetadataFormatNames,
+ extraImageMetadataFormatClassNames);
+ System.out.println ("JPEGImageReaderSPI!!!");
+ }
+
+ public String getDescription(Locale locale)
+ {
+ return "JPEG ISO 10918-1, JFIF V1.02";
+ }
+
+ public boolean canDecodeInput(Object input)
+ throws IOException
+ {
+ if (!(input instanceof ImageInputStream))
+ return false;
+
+ ImageInputStream in = (ImageInputStream) input;
+ boolean retval;
+
+ in.mark();
+ try
+ {
+ new JPEGDecoder(in);
+ retval = true;
+ }
+ catch(JPEGException e)
+ {
+ retval = false;
+ }
+ in.reset();
+
+ return retval;
+ }
+
+ public ImageReader createReaderInstance(Object extension)
+ {
+ return new JPEGImageReader(this);
+ }
+
+ public static void registerSpis(IIORegistry reg)
+ {
+ reg.registerServiceProvider(getReaderSpi(), ImageReaderSpi.class);
+ }
+
+ public static synchronized JPEGImageReaderSpi getReaderSpi()
+ {
+ if (readerSpi == null)
+ readerSpi = new JPEGImageReaderSpi();
+ return readerSpi;
+ }
+}