001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.events;
016    
017    import javax.servlet.http.HttpSession;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     */
022    public class InvokerSessionAction extends SessionAction {
023    
024            public InvokerSessionAction(SessionAction sessionAction) {
025                    this(sessionAction, Thread.currentThread().getContextClassLoader());
026            }
027    
028            public InvokerSessionAction(
029                    SessionAction sessionAction, ClassLoader classLoader) {
030    
031                    _sessionAction = sessionAction;
032                    _classLoader = classLoader;
033            }
034    
035            public void run(HttpSession session) throws ActionException {
036                    Thread currentThread = Thread.currentThread();
037    
038                    ClassLoader contextClassLoader = currentThread.getContextClassLoader();
039    
040                    currentThread.setContextClassLoader(_classLoader);
041    
042                    try {
043                            _sessionAction.run(session);
044                    }
045                    finally {
046                            currentThread.setContextClassLoader(contextClassLoader);
047                    }
048            }
049    
050            private SessionAction _sessionAction;
051            private ClassLoader _classLoader;
052    
053    }