JavaAgent.java

/*******************************************************************************
 * Copyright (c) 2016, 2020 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
 *******************************************************************************/
package javaagent;

import java.lang.instrument.Instrumentation;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class JavaAgent {

	public static int transformCount = 0;

	public static void premain(String args, Instrumentation inst) throws Exception {
		inst.addTransformer(new ProtectedClassFileTransformer(), true);
		inst.retransformClasses(Class.forName("b.B"), Class.forName("a.A"));
	}
}