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 26package jdk.tools.jlink.internal; 27 28import java.io.ByteArrayInputStream; 29import java.io.IOException; 30import java.io.InputStream; 31import java.io.OutputStream; 32import java.io.UncheckedIOException; 33import java.util.Objects; 34 35/** 36 * A ResourcePoolEntry backed by a given byte[]. 37 */ 38class ByteArrayResourcePoolEntry extends AbstractResourcePoolEntry { 39 private final byte[] buffer; 40 41 /** 42 * Create a new ByteArrayResourcePoolEntry. 43 * 44 * @param module The module name. 45 * @param path The data path identifier. 46 * @param type The data type. 47 * @param buf The byte buffer. 48 */ 49 ByteArrayResourcePoolEntry(String module, String path, Type type, byte[] buffer) { 50 super(module, path, type); 51 this.buffer = Objects.requireNonNull(buffer); 52 } 53 54 @Override 55 public byte[] contentBytes() { 56 return buffer.clone(); 57 } 58 59 @Override 60 public InputStream content() { 61 return new ByteArrayInputStream(buffer); 62 } 63 64 @Override 65 public void write(OutputStream out) { 66 try { 67 out.write(buffer); 68 } catch (IOException ex) { 69 throw new UncheckedIOException(ex); 70 } 71 } 72 73 @Override 74 public long contentLength() { 75 return buffer.length; 76 } 77} 78