| /********************************************************************** |
| * This file is part of "Object Teams Dynamic Runtime Environment" |
| * |
| * Copyright 2009, 2012 Oliver Frank 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/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 * |
| * Please visit http://www.eclipse.org/objectteams for updates and contact. |
| * |
| * Contributors: |
| * Oliver Frank - Initial API and implementation |
| * Stephan Herrmann - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.objectteams.otredyn.bytecode; |
| |
| import java.lang.instrument.ClassDefinition; |
| import java.lang.instrument.UnmodifiableClassException; |
| |
| import org.eclipse.objectteams.otredyn.transformer.jplis.otreAgent; |
| import org.eclipse.objectteams.runtime.DebugHooks; |
| |
| /** |
| * This implementation of {@link IRedefineStrategy} uses the |
| * JPLIS agent {@link otreAgent} to redefine classes. |
| * @author Oliver Frank |
| */ |
| public class OtreRedefineStrategy implements IRedefineStrategy { |
| |
| public void redefine(Class<?> clazz, byte[] bytecode) throws ClassNotFoundException, UnmodifiableClassException { |
| ClassDefinition arr_cd[] = { new ClassDefinition(clazz, bytecode) }; |
| try { |
| otreAgent.getInstrumentation().redefineClasses(arr_cd); |
| DebugHooks.afterRedefineClasses(clazz.getName()); |
| } catch (ClassFormatError cfe) { |
| // error output during redefinition tends to swallow the stack, print it now: |
| System.err.println("OTDRE: Error redifining "+clazz.getName()); |
| cfe.printStackTrace(); |
| throw cfe; |
| } |
| } |
| |
| } |