com.liferay.portal.kernel.util.PortalClassInvoker.java Source code

Introduction

Here is the source code for com.liferay.portal.kernel.util.PortalClassInvoker.java

Source

/**
 * 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.util;

import com.liferay.portal.kernel.exception.SystemException;

import java.lang.reflect.InvocationTargetException;

/**
 * @author Brian Wing Shun Chan
 * @author Shuyang Zhou
 */
public class PortalClassInvoker {

    public static Object invoke(MethodKey methodKey, Object... arguments) throws Exception {

        Thread currentThread = Thread.currentThread();

        ClassLoader contextClassLoader = currentThread.getContextClassLoader();

        try {
            currentThread.setContextClassLoader(PortalClassLoaderUtil.getClassLoader());

            MethodHandler methodHandler = new MethodHandler(methodKey, arguments);

            return methodHandler.invoke();
        } catch (InvocationTargetException ite) {
            Throwable cause = ite.getCause();

            if (cause instanceof Error) {
                throw new SystemException(ite);
            }

            throw (Exception) cause;
        } finally {
            currentThread.setContextClassLoader(contextClassLoader);
        }
    }

}