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/*
* Copyright (c) 2008, 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 java.lang.instrument.*;
public class RedefineMethodAddInvokeApp {
public static void main(String args[]) throws Exception {
System.out.println("Hello from RedefineMethodAddInvokeApp!");
new RedefineMethodAddInvokeApp().doTest();
System.exit(0);
}
private void doTest() throws Exception {
RedefineMethodAddInvokeTarget target =
new RedefineMethodAddInvokeTarget();
System.out.println("RedefineMethodAddInvokeApp: invoking myMethod()");
target.test(0); // invoke the original myMethod()
// add myMethod1()
do_redefine(1);
System.out.println("RedefineMethodAddInvokeApp: invoking myMethod1()");
target.test(1); // invoke myMethod1()
// add myMethod2()
do_redefine(2);
System.out.println("RedefineMethodAddInvokeApp: invoking myMethod2()");
target.test(2); // invoke myMethod2()
}
private static void do_redefine(int counter) throws Exception {
File f = new File("RedefineMethodAddInvokeTarget_" + counter +
".class");
System.out.println("Reading test class from " + f);
InputStream redefineStream = new FileInputStream(f);
byte[] redefineBuffer = NamedBuffer.loadBufferFromStream(redefineStream);
ClassDefinition redefineParamBlock = new ClassDefinition(
RedefineMethodAddInvokeTarget.class, redefineBuffer);
RedefineMethodAddInvokeAgent.getInstrumentation().redefineClasses(
new ClassDefinition[] {redefineParamBlock});
}
}
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