1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.portlet.LiferayPortletSession;
28  import com.liferay.portal.kernel.portlet.PortletFilterUtil;
29  import com.liferay.portal.kernel.util.JavaConstants;
30  import com.liferay.portal.kernel.util.WebKeys;
31  
32  import java.io.IOException;
33  
34  import javax.portlet.PortletException;
35  import javax.portlet.PortletRequest;
36  import javax.portlet.PortletResponse;
37  import javax.portlet.filter.FilterChain;
38  
39  import javax.servlet.ServletException;
40  import javax.servlet.http.HttpServlet;
41  import javax.servlet.http.HttpServletRequest;
42  import javax.servlet.http.HttpServletResponse;
43  import javax.servlet.http.HttpSession;
44  
45  /**
46   * <a href="PortletServlet.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Brian Wing Shun Chan
49   *
50   */
51  public class PortletServlet extends HttpServlet {
52  
53      public static final String PORTLET_CLASS_LOADER = "PORTLET_CLASS_LOADER";
54  
55      public static final String PORTLET_SERVLET_CONFIG =
56          "com.liferay.portal.kernel.servlet.PortletServletConfig";
57  
58      public static final String PORTLET_SERVLET_FILTER_CHAIN =
59          "com.liferay.portal.kernel.servlet.PortletServletFilterChain";
60  
61      public static final String PORTLET_SERVLET_REQUEST =
62          "com.liferay.portal.kernel.servlet.PortletServletRequest";
63  
64      public static final String PORTLET_SERVLET_RESPONSE =
65          "com.liferay.portal.kernel.servlet.PortletServletResponse";
66  
67      public void service(
68              HttpServletRequest request, HttpServletResponse response)
69          throws IOException, ServletException {
70  
71          String portletId = (String)request.getAttribute(WebKeys.PORTLET_ID);
72  
73          PortletRequest portletRequest = (PortletRequest)request.getAttribute(
74              JavaConstants.JAVAX_PORTLET_REQUEST);
75  
76          PortletResponse portletResponse = (PortletResponse)request.getAttribute(
77              JavaConstants.JAVAX_PORTLET_RESPONSE);
78  
79          String lifecycle = (String)request.getAttribute(
80              PortletRequest.LIFECYCLE_PHASE);
81  
82          FilterChain filterChain = (FilterChain)request.getAttribute(
83              PORTLET_SERVLET_FILTER_CHAIN);
84  
85          LiferayPortletSession portletSession =
86              (LiferayPortletSession)portletRequest.getPortletSession();
87  
88          portletRequest.setAttribute(WebKeys.PORTLET_ID, portletId);
89          portletRequest.setAttribute(PORTLET_SERVLET_CONFIG, getServletConfig());
90          portletRequest.setAttribute(PORTLET_SERVLET_REQUEST, request);
91          portletRequest.setAttribute(PORTLET_SERVLET_RESPONSE, response);
92  
93          HttpSession session = request.getSession();
94  
95          PortletSessionTracker.add(session);
96  
97          portletSession.setHttpSession(session);
98  
99          try {
100             PortletFilterUtil.doFilter(
101                 portletRequest, portletResponse, lifecycle, filterChain);
102         }
103         catch (PortletException pe) {
104             _log.error(pe, pe);
105 
106             throw new ServletException(pe);
107         }
108     }
109 
110     private static Log _log = LogFactoryUtil.getLog(PortletServlet.class);
111 
112 }