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/**
 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.liferay.portal.kernel.bean;

import java.lang.Object;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * View Source
 * 
 *
 * @author Brian Wing Shun Chan
 *
 */
public class ContextClassLoaderBeanHandler implements InvocationHandler {

	public ContextClassLoaderBeanHandler(Object bean, ClassLoader classLoader) {
		_bean = bean;
		_classLoader = classLoader;
	}

	public Object invoke(Object proxy, Method method, Object[] args)
		throws Throwable {

		Thread currentThread = Thread.currentThread();

		ClassLoader contextClassLoader = currentThread.getContextClassLoader();

		try {
			currentThread.setContextClassLoader(_classLoader);

			return method.invoke(_bean, args);
		}
		catch (InvocationTargetException ite) {
			throw ite.getTargetException();
		}
		finally {
			currentThread.setContextClassLoader(contextClassLoader);
		}
	}

	private Object _bean;
	private ClassLoader _classLoader;

}