| /******************************************************************************* |
| * Copyright (c) 2009 Martin Lippert and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Martin Lippert initial implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.weaving.aspectj; |
| |
| import java.lang.reflect.Method; |
| |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * The main plugin class to be used in the desktop. |
| */ |
| public class AspectJWeavingActivator implements BundleActivator { |
| |
| private static final String CHECK_ASPECTJ_CLASS = "org.aspectj.weaver.loadtime.definition.Definition"; //$NON-NLS-1$ |
| |
| private static final String REAL_ACTIVATOR_CLASS = "org.eclipse.equinox.weaving.aspectj.AspectJWeavingStarter"; //$NON-NLS-1$ |
| |
| private Object starter; // to decouple the optional dependencies |
| |
| private Class<?> starterClass; |
| |
| /** |
| * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(final BundleContext context) throws Exception { |
| final ClassLoader loader = this.getClass().getClassLoader(); |
| |
| try { |
| final Class<?> aspectjClass = loader.loadClass(CHECK_ASPECTJ_CLASS); |
| if (aspectjClass != null) { |
| starterClass = loader.loadClass(REAL_ACTIVATOR_CLASS); |
| starter = starterClass.newInstance(); |
| |
| final Method startMethod = starterClass.getMethod("start", |
| BundleContext.class); |
| startMethod.invoke(starter, context); |
| } |
| } catch (final Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** |
| * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(final BundleContext context) throws Exception { |
| if (starter != null) { |
| final Method stopMethod = starterClass.getMethod("stop", |
| BundleContext.class); |
| stopMethod.invoke(starter, context); |
| } |
| } |
| |
| } |