1 /* 2 * Copyright (c) 2015, 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 anttasks; 27 28 import java.io.File; 29 import java.io.IOException; 30 import java.io.UncheckedIOException; 31 import java.net.URI; 32 import java.net.URISyntaxException; 33 import java.nio.file.FileSystem; 34 import java.nio.file.FileSystems; 35 import java.nio.file.Files; 36 import java.nio.file.Path; 37 import java.nio.file.StandardCopyOption; 38 import java.util.Collections; 39 import java.util.stream.Stream; 40 41 import org.apache.tools.ant.BuildException; 42 import org.apache.tools.ant.Task; 43 44 public class DumpClassesTask extends Task { 45 46 private String moduleName; 47 private File dir; 48 49 public void setModuleName(String moduleName) { 50 this.moduleName = moduleName; 51 } 52 53 public void setDestDir(File dir) { 54 this.dir = dir; 55 } 56 57 @Override 58 public void execute() { 59 try (FileSystem fs = FileSystems.newFileSystem(new URI("jrt:/"), Collections.emptyMap(), DumpClassesTask.class.getClassLoader())) { 60 Path source = fs.getPath("modules", moduleName); 61 Path target = dir.toPath(); 62 63 try (Stream<Path> content = Files.walk(source)) { 64 content.filter(Files :: isRegularFile) 65 .forEach(p -> { 66 try { 67 Path targetFile = target.resolve(source.relativize(p).toString()); 68 if (!Files.exists(targetFile) || Files.getLastModifiedTime(targetFile).compareTo(Files.getLastModifiedTime(source)) < 0) { 69 Files.createDirectories(targetFile.getParent()); 70 Files.copy(p, targetFile, StandardCopyOption.REPLACE_EXISTING); 71 } 72 } catch (IOException ex) { 73 throw new UncheckedIOException(ex); 74 } 75 }); 76 } 77 } catch (URISyntaxException | IOException | UncheckedIOException ex) { 78 throw new BuildException(ex); 79 } 80 } 81 }