1/* 2 * Copyright (c) 2015, 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 */ 25package jdk.internal.jimage.decompressor; 26 27import java.io.IOException; 28import java.util.Properties; 29 30/** 31 * 32 * Constant Pool strings sharing Decompressor factory. 33 * 34 * @implNote This class needs to maintain JDK 8 source compatibility. 35 * 36 * It is used internally in the JDK to implement jimage/jrtfs access, 37 * but also compiled and delivered as part of the jrtfs.jar to support access 38 * to the jimage file provided by the shipped JDK by tools running on JDK 8. 39 */ 40public class StringSharingDecompressorFactory extends ResourceDecompressorFactory { 41 42 public static final String NAME = "compact-cp"; 43 public StringSharingDecompressorFactory() { 44 super(NAME); 45 } 46 47 @Override 48 public ResourceDecompressor newDecompressor(Properties properties) 49 throws IOException { 50 return new StringSharingDecompressor(properties); 51 } 52} 53