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 package jdk.tools.jlink.internal; 26 27 import java.nio.file.Path; 28 import java.util.Objects; 29 import jdk.tools.jlink.plugin.ResourcePoolEntry; 30 31 public final class ResourcePoolEntryFactory { 32 private ResourcePoolEntryFactory() {} 33 34 public static ResourcePoolEntry create(String path, 35 ResourcePoolEntry.Type type, byte[] content) { 36 return new ByteArrayResourcePoolEntry(moduleFrom(path), path, type, content); 37 } 38 39 public static ResourcePoolEntry create(String path, 40 ResourcePoolEntry.Type type, Path file) { 41 return new PathResourcePoolEntry(moduleFrom(path), path, type, file); 42 } 43 44 public static ResourcePoolEntry create(ResourcePoolEntry original, byte[] content) { 45 return new ByteArrayResourcePoolEntry(original.moduleName(), 46 original.path(), original.type(), content); 47 } 48 49 public static ResourcePoolEntry create(ResourcePoolEntry original, Path file) { 50 return new PathResourcePoolEntry(original.moduleName(), 51 original.path(), original.type(), file); 52 } 53 54 private static String moduleFrom(String path) { 55 Objects.requireNonNull(path); 56 if (path.isEmpty() || path.charAt(0) != '/') { 57 throw new IllegalArgumentException(path + " must start with /"); 58 } 59 String noRoot = path.substring(1); 60 int idx = noRoot.indexOf('/'); 61 if (idx == -1) { 62 throw new IllegalArgumentException("/ missing after module: " + path); 63 } 64 return noRoot.substring(0, idx); 65 } 66 }