/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.bean;
import com.liferay.portal.kernel.util.ClassLoaderUtil;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* @author Brian Wing Shun Chan
*/
public class VelocityBeanHandler implements InvocationHandler {
public VelocityBeanHandler(Object bean, ClassLoader classLoader) {
_bean = bean;
_classLoader = classLoader;
}
@Override
public Object invoke(Object proxy, Method method, Object[] arguments)
throws Throwable {
ClassLoader contextClassLoader =
ClassLoaderUtil.getContextClassLoader();
try {
if ((_classLoader != null) &&
(_classLoader != contextClassLoader)) {
ClassLoaderUtil.setContextClassLoader(_classLoader);
}
return method.invoke(_bean, arguments);
}
catch (InvocationTargetException ite) {
return null;
}
finally {
if ((_classLoader != null) &&
(_classLoader != contextClassLoader)) {
ClassLoaderUtil.setContextClassLoader(contextClassLoader);
}
}
}
private final Object _bean;
private final ClassLoader _classLoader;
}