| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.sun.tools.jdeps; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.SimpleFileVisitor; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.util.*; |
| |
| /** |
| * ClassPath for Java SE and JDK |
| */ |
| class PlatformClassPath { |
| private final static List<Archive> javaHomeArchives = init(); |
| static List<Archive> getArchives() { |
| return javaHomeArchives; |
| } |
| |
| static boolean contains(Archive archive) { |
| return javaHomeArchives.contains(archive); |
| } |
| |
| private static List<Archive> init() { |
| List<Archive> result = new ArrayList<Archive>(); |
| String javaHome = System.getProperty("java.home"); |
| List<File> files = new ArrayList<File>(); |
| File jre = new File(javaHome, "jre"); |
| File lib = new File(javaHome, "lib"); |
| |
| try { |
| if (jre.exists() && jre.isDirectory()) { |
| result.addAll(addJarFiles(new File(jre, "lib"))); |
| result.addAll(addJarFiles(lib)); |
| } else if (lib.exists() && lib.isDirectory()) { |
| // either a JRE or a jdk build image |
| File classes = new File(javaHome, "classes"); |
| if (classes.exists() && classes.isDirectory()) { |
| // jdk build outputdir |
| result.add(new Archive(classes, ClassFileReader.newInstance(classes))); |
| } |
| // add other JAR files |
| result.addAll(addJarFiles(lib)); |
| } else { |
| throw new RuntimeException("\"" + javaHome + "\" not a JDK home"); |
| } |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| return result; |
| } |
| |
| private static List<Archive> addJarFiles(File f) throws IOException { |
| final List<Archive> result = new ArrayList<Archive>(); |
| final Path root = f.toPath(); |
| final Path ext = root.resolve("ext"); |
| Files.walkFileTree(root, new SimpleFileVisitor<Path>() { |
| @Override |
| public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) |
| throws IOException |
| { |
| if (dir.equals(root) || dir.equals(ext)) { |
| return FileVisitResult.CONTINUE; |
| } else { |
| // skip other cobundled JAR files |
| return FileVisitResult.SKIP_SUBTREE; |
| } |
| } |
| @Override |
| public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) |
| throws IOException |
| { |
| File f = file.toFile(); |
| String fn = f.getName(); |
| if (fn.endsWith(".jar") && !fn.equals("alt-rt.jar")) { |
| result.add(new Archive(f, ClassFileReader.newInstance(f))); |
| } |
| return FileVisitResult.CONTINUE; |
| } |
| }); |
| return result; |
| } |
| } |