Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/jdeps/PlatformClassPath.java
src/share/classes/com/sun/tools/jdeps/PlatformClassPath.java
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| 1 /* | |
| 2 * Copyright (c) 2012, 2013, 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 package com.sun.tools.jdeps; | |
| 26 | |
| 27 import java.io.IOException; | |
| 28 import java.nio.file.FileVisitResult; | |
| 29 import java.nio.file.Files; | |
| 30 import java.nio.file.Path; | |
| 31 import java.nio.file.Paths; | |
| 32 import java.nio.file.SimpleFileVisitor; | |
| 33 import java.nio.file.attribute.BasicFileAttributes; | |
| 34 import java.util.*; | |
| 35 | |
| 36 /** | |
| 37 * ClassPath for Java SE and JDK | |
| 38 */ | |
| 39 class PlatformClassPath { | |
| 40 private final static List<Archive> javaHomeArchives = init(); | |
| 41 | |
| 42 static List<Archive> getArchives() { | |
| 43 return javaHomeArchives; | |
| 44 } | |
| 45 | |
| 46 private static List<Archive> init() { | |
| 47 List<Archive> result = new ArrayList<>(); | |
| 48 Path home = Paths.get(System.getProperty("java.home")); | |
| 49 try { | |
| 50 if (home.endsWith("jre")) { | |
| 51 // jar files in <javahome>/jre/lib | |
| 52 result.addAll(addJarFiles(home.resolve("lib"))); | |
| 53 } else if (Files.exists(home.resolve("lib"))) { | |
| 54 // either a JRE or a jdk build image | |
| 55 Path classes = home.resolve("classes"); | |
| 56 if (Files.isDirectory(classes)) { | |
| 57 // jdk build outputdir | |
| 58 result.add(new JDKArchive(classes, ClassFileReader.newInstance(classes))); | |
| 59 } | |
| 60 // add other JAR files | |
| 61 result.addAll(addJarFiles(home.resolve("lib"))); | |
| 62 } else { | |
| 63 throw new RuntimeException("\"" + home + "\" not a JDK home"); | |
| 64 } | |
| 65 return result; | |
| 66 } catch (IOException e) { | |
| 67 throw new Error(e); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 private static List<Archive> addJarFiles(final Path root) throws IOException { | |
| 72 final List<Archive> result = new ArrayList<>(); | |
| 73 final Path ext = root.resolve("ext"); | |
| 74 Files.walkFileTree(root, new SimpleFileVisitor<Path>() { | |
| 75 @Override | |
| 76 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) | |
| 77 throws IOException | |
| 78 { | |
| 79 if (dir.equals(root) || dir.equals(ext)) { | |
| 80 return FileVisitResult.CONTINUE; | |
| 81 } else { | |
| 82 // skip other cobundled JAR files | |
| 83 return FileVisitResult.SKIP_SUBTREE; | |
| 84 } | |
| 85 } | |
| 86 @Override | |
| 87 public FileVisitResult visitFile(Path p, BasicFileAttributes attrs) | |
| 88 throws IOException | |
| 89 { | |
| 90 String fn = p.getFileName().toString(); | |
| 91 if (fn.endsWith(".jar")) { | |
| 92 // JDK may cobundle with JavaFX that doesn't belong to any profile | |
| 93 // Treat jfxrt.jar as regular Archive | |
| 94 result.add(fn.equals("jfxrt.jar") | |
| 95 ? new Archive(p, ClassFileReader.newInstance(p)) | |
| 96 : new JDKArchive(p, ClassFileReader.newInstance(p))); | |
| 97 } | |
| 98 return FileVisitResult.CONTINUE; | |
| 99 } | |
| 100 }); | |
| 101 return result; | |
| 102 } | |
| 103 | |
| 104 /** | |
| 105 * A JDK archive is part of the JDK containing the Java SE API | |
| 106 * or implementation classes (i.e. JDK internal API) | |
| 107 */ | |
| 108 static class JDKArchive extends Archive { | |
| 109 JDKArchive(Path p, ClassFileReader reader) { | |
| 110 super(p, reader); | |
| 111 } | |
| 112 } | |
| 113 } |
