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