1 /* 2 * Copyright (c) 2016, 2018, 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.jpackager.internal; 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.List; 34 import java.util.zip.ZipEntry; 35 import java.util.zip.ZipInputStream; 36 37 public final class ModFile { 38 private final String filename; 39 private final ModType moduleType; 40 41 public enum JarType {All, UnnamedJar, ModularJar} 42 public enum ModType { 43 Unknown, UnnamedJar, ModularJar, Jmod, ExplodedModule} 44 45 public ModFile(File aFile) { 46 super(); 47 filename = aFile.getPath(); 48 moduleType = getModType(aFile); 49 } 50 51 public String getModName() { 52 File file = new File(getFileName()); 53 // do not try to remove extension for directories 54 return moduleType == ModType.ExplodedModule ? 55 file.getName() : getFileWithoutExtension(file.getName()); 56 } 57 58 public String getFileName() { 59 return filename; 60 } 61 62 public ModType getModType() { 63 return moduleType; 64 } 65 66 private static ModType getModType(File aFile) { 67 ModType result = ModType.Unknown; 68 String filename = aFile.getAbsolutePath(); 69 70 if (aFile.isFile()) { 71 if (filename.endsWith(".jmod")) { 72 result = ModType.Jmod; 73 } 74 else if (filename.endsWith(".jar")) { 75 JarType status = isModularJar(filename); 76 77 if (status == JarType.ModularJar) { 78 result = ModType.ModularJar; 79 } 80 else if (status == JarType.UnnamedJar) { 81 result = ModType.UnnamedJar; 82 } 83 } 84 } 85 else if (aFile.isDirectory()) { 86 File moduleInfo = new File( 87 filename + File.separator + "module-info.class"); 88 89 if (moduleInfo.exists()) { 90 result = ModType.ExplodedModule; 91 } 92 } 93 94 return result; 95 } 96 97 private static JarType isModularJar(String FileName) { 98 JarType result = JarType.All; 99 100 try { 101 ZipInputStream zip = 102 new ZipInputStream(new FileInputStream(FileName)); 103 result = JarType.UnnamedJar; 104 105 try { 106 for (ZipEntry entry = zip.getNextEntry(); entry != null; 107 entry = zip.getNextEntry()) { 108 if (entry.getName().matches("module-info.class")) { 109 result = JarType.ModularJar; 110 break; 111 } 112 } 113 114 zip.close(); 115 } catch (IOException ex) { 116 } 117 } catch (FileNotFoundException e) { 118 } 119 120 return result; 121 } 122 123 private static String getFileWithoutExtension(String FileName) { 124 return FileName.replaceFirst("[.][^.]+$", ""); 125 } 126 }