001    /**
002     * Copyright (c) 2000-2011 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.HttpServletRequest;
018    import javax.servlet.http.HttpServletResponse;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class InvokerAction extends Action {
024    
025            public InvokerAction(Action action, ClassLoader classLoader) {
026                    _action = action;
027                    _classLoader = classLoader;
028            }
029    
030            @Override
031            public void run(
032                            HttpServletRequest request, HttpServletResponse response)
033                    throws ActionException {
034    
035                    Thread currentThread = Thread.currentThread();
036    
037                    ClassLoader contextClassLoader = currentThread.getContextClassLoader();
038    
039                    try {
040                            currentThread.setContextClassLoader(_classLoader);
041    
042                            _action.run(request, response);
043                    }
044                    finally {
045                            currentThread.setContextClassLoader(contextClassLoader);
046                    }
047            }
048    
049            private Action _action;
050            private ClassLoader _classLoader;
051    
052    }