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