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.tools.jlink.internal; 27 28 import java.io.IOException; 29 import java.io.InputStream; 30 import java.io.UncheckedIOException; 31 import java.util.Objects; 32 import jdk.tools.jlink.plugin.ResourcePoolEntry; 33 34 /** 35 * A ResourcePoolEntry backed by a given Archive Entry. 36 */ 37 final class ArchiveEntryResourcePoolEntry extends AbstractResourcePoolEntry { 38 private final Archive.Entry entry; 39 40 /** 41 * Create a new ArchiveResourcePoolEntry. 42 * 43 * @param module The module name. 44 * @param path The data path identifier. 45 * @param entry The archive Entry. 46 */ ArchiveEntryResourcePoolEntry(String module, String path, Archive.Entry entry)47 ArchiveEntryResourcePoolEntry(String module, String path, Archive.Entry entry) { 48 super(module, path, getImageFileType(Objects.requireNonNull(entry))); 49 this.entry = entry; 50 } 51 52 @Override content()53 public InputStream content() { 54 try { 55 return entry.stream(); 56 } catch (IOException ex) { 57 throw new UncheckedIOException(ex); 58 } 59 } 60 61 @Override contentLength()62 public long contentLength() { 63 return entry.size(); 64 } 65 getImageFileType(Archive.Entry entry)66 private static ResourcePoolEntry.Type getImageFileType(Archive.Entry entry) { 67 switch(entry.type()) { 68 case CLASS_OR_RESOURCE: 69 return Type.CLASS_OR_RESOURCE; 70 case CONFIG: 71 return Type.CONFIG; 72 case HEADER_FILE: 73 return Type.HEADER_FILE; 74 case LEGAL_NOTICE: 75 return Type.LEGAL_NOTICE; 76 case MAN_PAGE: 77 return Type.MAN_PAGE; 78 case NATIVE_CMD: 79 return Type.NATIVE_CMD; 80 case NATIVE_LIB: 81 return Type.NATIVE_LIB; 82 default: 83 throw new IllegalArgumentException("Unknown archive entry type: " + entry.type()); 84 } 85 } 86 } 87