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/*
* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.*;
import jdk.test.lib.compiler.InMemoryJavaCompiler;
import jdk.test.lib.classloader.ClassUnloadCommon;
public class MyDiffClassLoader extends ClassLoader {
public String loaderName;
public static boolean switchClassData = false;
MyDiffClassLoader(String name) {
this.loaderName = name;
}
public Class loadClass(String name) throws ClassNotFoundException {
if (!name.contains("c1r") &&
!name.contains("c1c") &&
!name.contains("c1s") &&
!name.equals("p2.c2")) {
return super.loadClass(name);
}
// new loader loads p2.c2
if (name.equals("p2.c2") && !loaderName.equals("C2Loader")) {
Class<?> c = new MyDiffClassLoader("C2Loader").loadClass(name);
switchClassData = true;
return c;
}
byte[] data = switchClassData ? getNewClassData(name) : ClassUnloadCommon.getClassData(name);
System.out.println("name is " + name);
return defineClass(name, data, 0, data.length);
}
// Return p2.c2 with everything removed
byte[] getNewClassData(String name) {
return InMemoryJavaCompiler.compile("p2.c2", "package p2; public class c2 { }");
}
}
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