1 /* 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.imageio.plugins.bmp; 27 28 import java.util.Locale; 29 import javax.imageio.spi.ImageReaderSpi; 30 import javax.imageio.stream.ImageInputStream; 31 import javax.imageio.spi.IIORegistry; 32 import javax.imageio.spi.ServiceRegistry; 33 import java.io.IOException; 34 import javax.imageio.ImageReader; 35 import javax.imageio.IIOException; 36 37 public class BMPImageReaderSpi extends ImageReaderSpi { 38 39 private static String [] writerSpiNames = 40 {"com.sun.imageio.plugins.bmp.BMPImageWriterSpi"}; 41 private static String[] formatNames = {"bmp", "BMP"}; 42 private static String[] entensions = {"bmp"}; 43 private static String[] mimeType = {"image/bmp"}; 44 45 private boolean registered = false; 46 47 public BMPImageReaderSpi() { 48 super("Oracle Corporation", 49 "1.0", 50 formatNames, 51 entensions, 52 mimeType, 53 "com.sun.imageio.plugins.bmp.BMPImageReader", 54 new Class[] { ImageInputStream.class }, 55 writerSpiNames, 56 false, 57 null, null, null, null, 58 true, 59 BMPMetadata.nativeMetadataFormatName, 60 "com.sun.imageio.plugins.bmp.BMPMetadataFormat", 61 null, null); 62 } 63 64 public void onRegistration(ServiceRegistry registry, 65 Class<?> category) { 66 if (registered) { 67 return; 68 } 69 registered = true; 70 } 71 72 public String getDescription(Locale locale) { 73 return "Standard BMP Image Reader"; 74 } 75 76 public boolean canDecodeInput(Object source) throws IOException { 77 if (!(source instanceof ImageInputStream)) { 78 return false; 79 } 80 81 ImageInputStream stream = (ImageInputStream)source; 82 byte[] b = new byte[2]; 83 stream.mark(); 84 stream.readFully(b); 85 stream.reset(); 86 87 return (b[0] == 0x42) && (b[1] == 0x4d); 88 } 89 90 public ImageReader createReaderInstance(Object extension) 91 throws IIOException { 92 return new BMPImageReader(this); 93 } 94 }