| /* |
| * 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}); |
| } |
| } |