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.servlet;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.portlet.LiferayPortletSession;
020    import com.liferay.portal.kernel.portlet.PortletFilterUtil;
021    import com.liferay.portal.kernel.util.JavaConstants;
022    import com.liferay.portal.kernel.util.WebKeys;
023    
024    import java.io.IOException;
025    
026    import javax.portlet.PortletException;
027    import javax.portlet.PortletRequest;
028    import javax.portlet.PortletResponse;
029    import javax.portlet.filter.FilterChain;
030    
031    import javax.servlet.ServletException;
032    import javax.servlet.http.HttpServlet;
033    import javax.servlet.http.HttpServletRequest;
034    import javax.servlet.http.HttpServletResponse;
035    import javax.servlet.http.HttpSession;
036    
037    /**
038     * @author Brian Wing Shun Chan
039     */
040    public class PortletServlet extends HttpServlet {
041    
042            public static final String PORTLET_APP =
043                    "com.liferay.portal.model.PortletApp";
044    
045            public static final String PORTLET_CLASS_LOADER = "PORTLET_CLASS_LOADER";
046    
047            public static final String PORTLET_SERVLET_CONFIG =
048                    "com.liferay.portal.kernel.servlet.PortletServletConfig";
049    
050            public static final String PORTLET_SERVLET_FILTER_CHAIN =
051                    "com.liferay.portal.kernel.servlet.PortletServletFilterChain";
052    
053            public static final String PORTLET_SERVLET_REQUEST =
054                    "com.liferay.portal.kernel.servlet.PortletServletRequest";
055    
056            public static final String PORTLET_SERVLET_RESPONSE =
057                    "com.liferay.portal.kernel.servlet.PortletServletResponse";
058    
059            public void service(
060                            HttpServletRequest request, HttpServletResponse response)
061                    throws IOException, ServletException {
062    
063                    String portletId = (String)request.getAttribute(WebKeys.PORTLET_ID);
064    
065                    PortletRequest portletRequest = (PortletRequest)request.getAttribute(
066                            JavaConstants.JAVAX_PORTLET_REQUEST);
067    
068                    PortletResponse portletResponse = (PortletResponse)request.getAttribute(
069                            JavaConstants.JAVAX_PORTLET_RESPONSE);
070    
071                    String lifecycle = (String)request.getAttribute(
072                            PortletRequest.LIFECYCLE_PHASE);
073    
074                    FilterChain filterChain = (FilterChain)request.getAttribute(
075                            PORTLET_SERVLET_FILTER_CHAIN);
076    
077                    LiferayPortletSession portletSession =
078                            (LiferayPortletSession)portletRequest.getPortletSession();
079    
080                    portletRequest.setAttribute(WebKeys.PORTLET_ID, portletId);
081                    portletRequest.setAttribute(PORTLET_SERVLET_CONFIG, getServletConfig());
082                    portletRequest.setAttribute(PORTLET_SERVLET_REQUEST, request);
083                    portletRequest.setAttribute(PORTLET_SERVLET_RESPONSE, response);
084    
085                    HttpSession session = request.getSession();
086    
087                    PortletSessionTracker.add(session);
088    
089                    portletSession.setHttpSession(session);
090    
091                    try {
092                            PortletFilterUtil.doFilter(
093                                    portletRequest, portletResponse, lifecycle, filterChain);
094                    }
095                    catch (PortletException pe) {
096                            _log.error(pe, pe);
097    
098                            throw new ServletException(pe);
099                    }
100            }
101    
102            private static Log _log = LogFactoryUtil.getLog(PortletServlet.class);
103    
104    }