1 /* 2 * Copyright (c) 2014, 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.tools.jlink.internal; 27 28 import java.nio.file.Path; 29 import java.util.Objects; 30 import jdk.tools.jlink.internal.Archive.Entry.EntryType; 31 32 /** 33 * An Archive backed by a jmod file. 34 */ 35 public class JmodArchive extends JarArchive { 36 37 private static final String JMOD_EXT = ".jmod"; 38 private static final String MODULE_NAME = "module"; 39 private static final String MODULE_INFO = "module-info.class"; 40 private static final String CLASSES = "classes"; 41 private static final String NATIVE_LIBS = "native"; 42 private static final String NATIVE_CMDS = "bin"; 43 private static final String CONFIG = "conf"; 44 45 public JmodArchive(String mn, Path jmod) { 46 super(mn, jmod); 47 String filename = Objects.requireNonNull(jmod.getFileName()).toString(); 48 if (!filename.endsWith(JMOD_EXT)) { 49 throw new UnsupportedOperationException("Unsupported format: " + filename); 50 } 51 } 52 53 @Override 54 EntryType toEntryType(String entryName) { 55 String section = getSection(entryName.replace('\\', '/')); 56 switch (section) { 57 case CLASSES: 58 return EntryType.CLASS_OR_RESOURCE; 59 case NATIVE_LIBS: 60 return EntryType.NATIVE_LIB; 61 case NATIVE_CMDS: 62 return EntryType.NATIVE_CMD; 63 case CONFIG: 64 return EntryType.CONFIG; 65 case MODULE_NAME: 66 return EntryType.MODULE_NAME; 67 default: 68 throw new InternalError("unexpected entry: " + section); 69 } 70 } 71 72 private static String getSection(String entryName) { 73 int i = entryName.indexOf('/'); 74 // Unnamed section. 75 String section = ""; 76 if (i > 0) { 77 section = entryName.substring(0, entryName.indexOf('/')); 78 } 79 return section; 80 } 81 82 @Override 83 String getFileName(String entryName) { 84 entryName = entryName.replace('\\', '/'); 85 return entryName.substring(entryName.indexOf('/') + 1); 86 } 87 }