1 /* 2 * Copyright (c) 2016, 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 com.oracle.tools.packager; 27 28 import com.sun.tools.jdeps.Main; 29 import java.io.ByteArrayOutputStream; 30 import java.io.File; 31 import java.io.IOException; 32 import java.io.PrintWriter; 33 import java.nio.file.Path; 34 import java.util.ArrayList; 35 import java.util.Arrays; 36 import java.util.Collections; 37 import java.util.LinkedHashSet; 38 import java.util.List; 39 import java.util.Map; 40 import java.util.Set; 41 import java.util.stream.Collectors; 42 43 44 public final class JDepHelper { 45 private JDepHelper() {} 46 47 private static int invokeJdep(String[] args, PrintWriter out) { 48 return com.sun.tools.jdeps.Main.run(args, out); 49 } 50 51 public static List<String> getResourceFileJarList(Map<String, ? super Object> params) { 52 List<String> files = new ArrayList(); 53 54 for (RelativeFileSet rfs : StandardBundlerParam.APP_RESOURCES_LIST.fetchFrom(params)) { 55 for (String s : rfs.files) { 56 if (s.endsWith(".jar")) { 57 files.add(rfs.getBaseDirectory() + File.separator + s); 58 } 59 } 60 } 61 62 return files; 63 } 64 65 public static Set<String> calculateModules(List<String> Files, List<Path> modulePath) { 66 try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); 67 PrintWriter writer = new PrintWriter(baos)) { 68 69 List<String> arguments = new ArrayList<>(); 70 arguments.add("-s"); 71 //TODO JDK-8148654 - add support for -modulepath. 72 //if (modulePath != null || !modulePath.empty()) { 73 // arguments.add("-modulepath"); 74 // ... 75 //} 76 arguments.addAll(Files); 77 78 invokeJdep(arguments.toArray(new String[arguments.size()]), writer); 79 80 // output format is multiple lines of "this.jar -> that.module.name" 81 // we only care about what is to the right of the arrow 82 return Arrays.stream(baos.toString().split("\\s*\\S+\\s+->\\s+")) 83 .map(String::trim) 84 .filter(s -> !s.isEmpty() && !arguments.contains(s) && !"not found".equals(s)) 85 .collect(Collectors.toSet()); 86 } catch (IOException ioe) { 87 Log.verbose(ioe); 88 return new LinkedHashSet(); 89 } 90 } 91 }