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 | } | ||