001: /*
002: * $RCSfile: PCXImageReaderSpi.java,v $
003: *
004: *
005: * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * - Redistribution of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * - Redistribution in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * Neither the name of Sun Microsystems, Inc. or the names of
020: * contributors may be used to endorse or promote products derived
021: * from this software without specific prior written permission.
022: *
023: * This software is provided "AS IS," without a warranty of any
024: * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
025: * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
026: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
027: * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
028: * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
029: * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
030: * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
031: * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
032: * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
033: * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
034: * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
035: * POSSIBILITY OF SUCH DAMAGES.
036: *
037: * You acknowledge that this software is not designed or intended for
038: * use in the design, construction, operation or maintenance of any
039: * nuclear facility.
040: *
041: * $Revision: 1.1 $
042: * $Date: 2007/09/05 00:21:08 $
043: * $State: Exp $
044: */
045: package com.sun.media.imageioimpl.plugins.pcx;
046:
047: import java.io.IOException;
048: import java.util.Locale;
049:
050: import javax.imageio.*;
051: import javax.imageio.spi.*;
052: import javax.imageio.stream.ImageInputStream;
053:
054: import com.sun.media.imageioimpl.common.PackageUtil;
055:
056: public class PCXImageReaderSpi extends ImageReaderSpi {
057:
058: private static String[] writerSpiNames = { "com.sun.media.imageioimpl.plugins.pcx.PCXImageWriterSpi" };
059: private static String[] formatNames = { "pcx", "PCX" };
060: private static String[] extensions = { "pcx" };
061: private static String[] mimeTypes = { "image/pcx", "image/x-pcx",
062: "image/x-windows-pcx", "image/x-pc-paintbrush" };
063: private boolean registered = false;
064:
065: public PCXImageReaderSpi() {
066: super (PackageUtil.getVendor(), PackageUtil.getVersion(),
067: formatNames, extensions, mimeTypes,
068: "com.sun.media.imageioimpl.plugins.pcx.PCXImageReader",
069: STANDARD_INPUT_TYPE, writerSpiNames, false, null, null,
070: null, null, true, null, null, null, null);
071: }
072:
073: public void onRegistration(ServiceRegistry registry, Class category) {
074: if (registered) {
075: return;
076: }
077: registered = true;
078: }
079:
080: public String getDescription(Locale locale) {
081: String desc = PackageUtil.getSpecificationTitle()
082: + " PCX Image Reader";
083: return desc;
084: }
085:
086: public boolean canDecodeInput(Object source) throws IOException {
087: if (!(source instanceof ImageInputStream)) {
088: return false;
089: }
090:
091: ImageInputStream stream = (ImageInputStream) source;
092: stream.mark();
093: byte b = stream.readByte();
094: stream.reset();
095:
096: return (b == 0x0A);
097: }
098:
099: public ImageReader createReaderInstance(Object extension)
100: throws IIOException {
101: return new PCXImageReader(this);
102: }
103: }
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