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.events;
24  
25  import com.liferay.portal.kernel.util.PortalClassInvoker;
26  
27  import javax.portlet.PortletRequest;
28  import javax.portlet.PortletResponse;
29  import javax.portlet.RenderRequest;
30  import javax.portlet.RenderResponse;
31  
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletResponse;
34  
35  /**
36   * <a href="Action.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public abstract class Action {
42  
43      public abstract void run(
44              HttpServletRequest request, HttpServletResponse response)
45          throws ActionException;
46  
47      public void run(RenderRequest renderRequest, RenderResponse renderResponse)
48          throws ActionException {
49  
50          try {
51              HttpServletRequest request = _getHttpServletRequest(renderRequest);
52              HttpServletResponse response = _getHttpServletResponse(
53                  renderResponse);
54  
55              run(request, response);
56          }
57          catch (ActionException ae) {
58              throw ae;
59          }
60          catch (Exception e) {
61              throw new ActionException(e);
62          }
63      }
64  
65      private HttpServletRequest _getHttpServletRequest(
66              PortletRequest portletRequest)
67          throws Exception {
68  
69          Object returnObj = PortalClassInvoker.invoke(
70              _CLASS, _METHOD_GETHTTPSERVLETREQUEST, portletRequest, false);
71  
72          if (returnObj != null) {
73              return (HttpServletRequest)returnObj;
74          }
75          else {
76              return null;
77          }
78      }
79  
80      private HttpServletResponse _getHttpServletResponse(
81              PortletResponse portletResponse)
82          throws Exception {
83  
84          Object returnObj = PortalClassInvoker.invoke(
85              _CLASS, _METHOD_GETHTTPSERVLETRESPONSE, portletResponse, false);
86  
87          if (returnObj != null) {
88              return (HttpServletResponse)returnObj;
89          }
90          else {
91              return null;
92          }
93      }
94  
95      private static final String _CLASS = "com.liferay.portal.util.PortalUtil";
96  
97      private static final String _METHOD_GETHTTPSERVLETREQUEST =
98          "getHttpServletRequest";
99  
100     private static final String _METHOD_GETHTTPSERVLETRESPONSE =
101         "getHttpServletResponse";
102 
103 }