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 package com.oracle.tools.packager; 26 27 import java.io.File; 28 import java.io.FileInputStream; 29 import java.io.FileNotFoundException; 30 import java.io.IOException; 31 import java.util.ArrayList; 32 import java.util.Collection; 33 import java.util.List; 34 import java.util.zip.ZipEntry; 35 import java.util.zip.ZipInputStream; 36 37 38 public final class Module { 39 private String FFileName; 40 private ModuleType FModuleType; 41 42 private enum JarType {Unknown, UnnamedJar, ModularJar} 43 44 45 public enum ModuleType {Unknown, UnnamedJar, ModularJar, Jmod, ExplodedModule} 46 47 public Module(File AFile) { 48 super(); 49 FFileName = AFile.getPath(); 50 FModuleType = getModuleType(AFile); 51 } 52 53 public String getFileName() { 54 return FFileName; 55 } 56 57 public String getModulePath() { 58 File file = new File(getFileName()); 59 return file.getParent(); 60 } 61 62 public String getModuleName() { 63 File file = new File(getFileName()); 64 return getFileWithoutExtension(file.getName()); 65 } 66 67 public ModuleType getModuleType() { 68 return FModuleType; 69 } 70 71 public List<Module> getRequiredModules() { 72 List<Module> result = new ArrayList(); 73 74 List<String> files = new ArrayList(); 75 files.add(getFileName()); 76 Collection<String> detectedModules = JDepHelper.calculateModules(files, null); 77 78 for (String filename : detectedModules) { 79 Module module = new Module(new File(filename)); 80 result.add(module); 81 } 82 83 return result; 84 } 85 86 private static ModuleType getModuleType(File AFile) { 87 ModuleType result = ModuleType.Unknown; 88 String filename = AFile.getAbsolutePath(); 89 90 if (AFile.isFile()) { 91 if (filename.endsWith(".jmod")) { 92 result = ModuleType.Jmod; 93 } 94 else if (filename.endsWith(".jar")) { 95 JarType status = isModularJar(filename); 96 97 if (status == JarType.ModularJar) { 98 result = ModuleType.ModularJar; 99 } 100 else if (status == JarType.UnnamedJar) { 101 result = ModuleType.UnnamedJar; 102 } 103 } 104 } 105 else if (AFile.isDirectory()) { 106 File moduleInfo = new File(filename + File.separator + "module-info.class"); 107 108 if (moduleInfo.exists()) { 109 result = ModuleType.ExplodedModule; 110 } 111 } 112 113 return result; 114 } 115 116 private static JarType isModularJar(String FileName) { 117 JarType result = JarType.Unknown; 118 List<String> classNames = new ArrayList<String>(); 119 120 try { 121 ZipInputStream zip = new ZipInputStream(new FileInputStream(FileName)); 122 result = JarType.UnnamedJar; 123 124 try { 125 for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()) { 126 if (entry.getName().matches("module-info.class")) { 127 result = JarType.ModularJar; 128 break; 129 } 130 } 131 132 zip.close(); 133 } catch (IOException ex) { 134 } 135 } catch (FileNotFoundException e) { 136 } 137 138 return result; 139 } 140 141 private static String getFileWithoutExtension(String FileName) { 142 return FileName.replaceFirst("[.][^.]+$", ""); 143 } 144 }