1 /* 2 * Copyright (c) 2014, 2018, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package gc.g1.unloading.classloaders; 24 25 /** 26 * Classloader that will be useful for Class.forName classloading way. 27 * 28 */ 29 public class ReflectionClassloader extends DoItYourselfClassLoader { 30 31 private byte[] savedBytes; 32 33 private String className; 34 ReflectionClassloader(byte[] savedBytes, String className)35 public ReflectionClassloader(byte[] savedBytes, String className) { 36 this.savedBytes = savedBytes; 37 this.className = className; 38 } 39 40 @Override loadClass(String name)41 public Class<?> loadClass(String name) throws ClassNotFoundException { 42 if (name.equals(className)) { 43 return defineClass(name, savedBytes); 44 } else { 45 return super.loadClass(name); 46 } 47 } 48 49 } 50