| /* |
| * Copyright (c) 2013, 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. |
| * |
| * 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 sun.hotspot.tools.ctw; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.stream.Stream; |
| |
| /** |
| * Handler for jar-files containing classes to compile. |
| */ |
| public class ClassPathJarEntry extends PathHandler.PathEntry { |
| private final JarFile jarFile; |
| |
| public ClassPathJarEntry(Path root) { |
| super(root); |
| if (!Files.exists(root)) { |
| throw new Error(root + " file not found"); |
| } |
| try { |
| jarFile = new JarFile(root.toFile()); |
| } catch (IOException e) { |
| throw new Error("can not read " + root + " : " + e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| protected Stream<String> classes() { |
| return jarFile.stream() |
| .map(JarEntry::getName) |
| .filter(Utils::isClassFile) |
| .map(Utils::fileNameToClassName); |
| } |
| |
| @Override |
| protected String description() { |
| return "# jar: " + root; |
| } |
| |
| @Override |
| protected byte[] findByteCode(String classname) { |
| try { |
| String filename = Utils.classNameToFileName(classname); |
| JarEntry entry = jarFile.getJarEntry(filename); |
| |
| if (entry == null) { |
| return null; |
| } |
| |
| try (InputStream is = jarFile.getInputStream(entry)) { |
| return is.readAllBytes(); |
| } |
| |
| } catch (IOException e) { |
| e.printStackTrace(CompileTheWorld.ERR); |
| return null; |
| } |
| } |
| } |
| |