com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.java Source code

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Here is the source code for com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.java

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/**
 * 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.kernel.bean;

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

/**
 * @author Brian Wing Shun Chan
 */
public class ClassLoaderBeanHandler implements InvocationHandler {

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

    public Object getBean() {
        return _bean;
    }

    public ClassLoader getClassLoader() {
        return _classLoader;
    }

    @Override
    public Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable {

        Thread currentThread = Thread.currentThread();

        ClassLoader contextClassLoader = currentThread.getContextClassLoader();

        try {
            if ((_classLoader != null) && (contextClassLoader != _classLoader)) {

                currentThread.setContextClassLoader(_classLoader);
            }

            if (method.getDeclaringClass() == Object.class) {
                String methodName = method.getName();

                if (methodName.equals("equals")) {
                    if (proxy == arguments[0]) {
                        return true;
                    }

                    return false;
                }
            }

            return method.invoke(_bean, arguments);
        } catch (InvocationTargetException ite) {
            throw ite.getTargetException();
        } finally {
            if ((_classLoader != null) && (contextClassLoader != _classLoader)) {

                currentThread.setContextClassLoader(contextClassLoader);
            }
        }
    }

    private final Object _bean;
    private final ClassLoader _classLoader;

}