BundleContextAwareProcessor.java

/******************************************************************************
 * Copyright (c) 2006, 2010 VMware Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution. 
 * The Eclipse Public License is available at 
 * http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
 * is available at http://www.opensource.org/licenses/apache2.0.php.
 * You may elect to redistribute this code under either of these licenses. 
 * 
 * Contributors:
 *   VMware Inc.
 *****************************************************************************/

package org.eclipse.gemini.blueprint.context.support;

import org.eclipse.gemini.blueprint.context.BundleContextAware;
import org.osgi.framework.BundleContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;

/**
 * {@link BeanPostProcessor} handling classes that implement
 * <code>BundleContextAware</code> interface.
 * 
 * @author Adrian Colyer
 * @author Costin Leau
 */
public class BundleContextAwareProcessor implements BeanPostProcessor {

	private final BundleContext bundleContext;


	public BundleContextAwareProcessor(BundleContext aContext) {
		this.bundleContext = aContext;
	}

	public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
		return bean;
	}

	public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
		if (bean instanceof BundleContextAware) {
			((BundleContextAware) bean).setBundleContext(this.bundleContext);
		}
		return bean;
	}
}