Showing the changes to java/pkg/com/sun/imageio/plugins/bmp/BMPImageReaderSpi.java (1 of 18352 files). Show all
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| 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 | +} | |