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 jdk.packager.internal.legacy; 27 28 import java.io.File; 29 import java.io.FileInputStream; 30 import java.io.FileNotFoundException; 31 import java.io.IOException; 32 import java.util.ArrayList; 33 import java.util.Collection; 34 import java.util.List; 35 import java.util.zip.ZipEntry; 36 import java.util.zip.ZipInputStream; 37 38 39 public final class Module { 40 private String filename; 41 private ModuleType moduleType; 42 43 public enum JarType {All, UnnamedJar, ModularJar} 44 public enum ModuleType {Unknown, UnnamedJar, ModularJar, Jmod, ExplodedModule} 45 46 public Module(File AFile) { 47 super(); 48 filename = AFile.getPath(); 49 moduleType = getModuleType(AFile); 50 } 51 52 public String getModuleName() { 53 File file = new File(getFileName()); 54 // do not try to remove extension for directories 55 return moduleType == ModuleType.ExplodedModule ? 56 file.getName() : getFileWithoutExtension(file.getName()); 57 } 58 59 public String getFileName() { 60 return filename; 61 } 62 63 public ModuleType getModuleType() { 64 return moduleType; 65 } 66 67 private static ModuleType getModuleType(File AFile) { 68 ModuleType result = ModuleType.Unknown; 69 String filename = AFile.getAbsolutePath(); 70 71 if (AFile.isFile()) { 72 if (filename.endsWith(".jmod")) { 73 result = ModuleType.Jmod; 74 } 75 else if (filename.endsWith(".jar")) { 76 JarType status = isModularJar(filename); 77 78 if (status == JarType.ModularJar) { 79 result = ModuleType.ModularJar; 80 } 81 else if (status == JarType.UnnamedJar) { 82 result = ModuleType.UnnamedJar; 83 } 84 } 85 } 86 else if (AFile.isDirectory()) { 87 File moduleInfo = new File(filename + File.separator + "module-info.class"); 88 89 if (moduleInfo.exists()) { 90 result = ModuleType.ExplodedModule; 91 } 92 } 93 94 return result; 95 } 96 97 private static JarType isModularJar(String FileName) { 98 JarType result = JarType.All; 99 List<String> classNames = new ArrayList<String>(); 100 101 try { 102 ZipInputStream zip = new ZipInputStream(new FileInputStream(FileName)); 103 result = JarType.UnnamedJar; 104 105 try { 106 for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()) { 107 if (entry.getName().matches("module-info.class")) { 108 result = JarType.ModularJar; 109 break; 110 } 111 } 112 113 zip.close(); 114 } catch (IOException ex) { 115 } 116 } catch (FileNotFoundException e) { 117 } 118 119 return result; 120 } 121 122 private static String getFileWithoutExtension(String FileName) { 123 return FileName.replaceFirst("[.][^.]+$", ""); 124 } 125 }