1   /**
2    * Copyright (c) 2000-2008 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  
31  import java.io.IOException;
32  
33  import javax.portlet.PortletException;
34  import javax.portlet.PortletRequest;
35  import javax.portlet.PortletResponse;
36  import javax.portlet.filter.FilterChain;
37  
38  import javax.servlet.ServletException;
39  import javax.servlet.http.HttpServlet;
40  import javax.servlet.http.HttpServletRequest;
41  import javax.servlet.http.HttpServletResponse;
42  import javax.servlet.http.HttpSession;
43  
44  /**
45   * <a href="PortletServlet.java.html"><b><i>View Source</i></b></a>
46   *
47   * @author Brian Wing Shun Chan
48   *
49   */
50  public class PortletServlet extends HttpServlet {
51  
52      public static final String PORTLET_CLASS_LOADER = "PORTLET_CLASS_LOADER";
53  
54      public static final String PORTLET_SERVLET_CONFIG =
55          "com.liferay.portal.kernel.servlet.PortletServletConfig";
56  
57      public static final String PORTLET_SERVLET_FILTER_CHAIN =
58          "com.liferay.portal.kernel.servlet.PortletServletFilterChain";
59  
60      public static final String PORTLET_SERVLET_REQUEST =
61          "com.liferay.portal.kernel.servlet.PortletServletRequest";
62  
63      public static final String PORTLET_SERVLET_RESPONSE =
64          "com.liferay.portal.kernel.servlet.PortletServletResponse";
65  
66      public void service(
67              HttpServletRequest request, HttpServletResponse response)
68          throws IOException, ServletException {
69  
70          PortletRequest portletRequest = (PortletRequest)request.getAttribute(
71              JavaConstants.JAVAX_PORTLET_REQUEST);
72  
73          PortletResponse portletResponse = (PortletResponse)request.getAttribute(
74              JavaConstants.JAVAX_PORTLET_RESPONSE);
75  
76          String lifecycle = (String)request.getAttribute(
77              PortletRequest.LIFECYCLE_PHASE);
78  
79          FilterChain filterChain = (FilterChain)request.getAttribute(
80              PORTLET_SERVLET_FILTER_CHAIN);
81  
82          LiferayPortletSession portletSession =
83              (LiferayPortletSession)portletRequest.getPortletSession();
84  
85          portletRequest.setAttribute(PORTLET_SERVLET_CONFIG, getServletConfig());
86          portletRequest.setAttribute(PORTLET_SERVLET_REQUEST, request);
87          portletRequest.setAttribute(PORTLET_SERVLET_RESPONSE, response);
88  
89          HttpSession session = request.getSession();
90  
91          PortletSessionTracker.add(session);
92  
93          portletSession.setHttpSession(session);
94  
95          try {
96              PortletFilterUtil.doFilter(
97                  portletRequest, portletResponse, lifecycle, filterChain);
98          }
99          catch (PortletException pe) {
100             _log.error(pe, pe);
101 
102             throw new ServletException(pe);
103         }
104     }
105 
106     private static Log _log = LogFactoryUtil.getLog(PortletServlet.class);
107 
108 }