Showing the changes to java/pkg/sun/tools/jar/JarImageSource.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 1998, 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 | |||
| 27 | package sun.tools.jar; | ||
| 28 | |||
| 29 | import sun.awt.image.URLImageSource; | ||
| 30 | import sun.awt.image.ImageDecoder; | ||
| 31 | import java.net.URL; | ||
| 32 | import java.net.JarURLConnection; | ||
| 33 | import java.util.jar.JarFile; | ||
| 34 | import java.util.jar.JarEntry; | ||
| 35 | import java.io.InputStream; | ||
| 36 | import java.io.IOException; | ||
| 37 | |||
| 38 | |||
| 39 | public class JarImageSource extends URLImageSource { | ||
| 40 | String mimeType; | ||
| 41 | String entryName = null; | ||
| 42 | URL url; | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Create an image source from a Jar entry URL with the specified | ||
| 46 | * mime type. | ||
| 47 | */ | ||
| 48 | public JarImageSource(URL u, String type) { | ||
| 49 | super(u); | ||
| 50 | url = u; | ||
| 51 | mimeType = type; | ||
| 52 | } | ||
| 53 | |||
| 54 | /** | ||
| 55 | * Create an image source from a Jar file/entry URL | ||
| 56 | * with the specified entry name and mime type. | ||
| 57 | */ | ||
| 58 | public JarImageSource(URL u, String name, String type) { | ||
| 59 | this(u, type); | ||
| 60 | this.entryName = name; | ||
| 61 | } | ||
| 62 | |||
| 63 | protected ImageDecoder getDecoder() { | ||
| 64 | InputStream is = null; | ||
| 65 | try { | ||
| 66 | JarURLConnection c = (JarURLConnection)url.openConnection(); | ||
| 67 | JarFile f = c.getJarFile(); | ||
| 68 | JarEntry e = c.getJarEntry(); | ||
| 69 | |||
| 70 | if (entryName != null && e == null) { | ||
| 71 | e = f.getJarEntry(entryName); | ||
| 72 | } | ||
| 73 | if (e == null || (e != null && entryName != null | ||
| 74 | && (!(entryName.equals(e.getName()))))) { | ||
| 75 | return null; | ||
| 76 | } | ||
| 77 | is = f.getInputStream(e); | ||
| 78 | } catch (IOException e) { | ||
| 79 | return null; | ||
| 80 | } | ||
| 81 | |||
| 82 | ImageDecoder id = decoderForType(is, mimeType); | ||
| 83 | if (id == null) { | ||
| 84 | id = getDecoder(is); | ||
| 85 | } | ||
| 86 | return id; | ||
| 87 | } | ||
| 88 | } | ||