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(HttpServletRequest req, HttpServletResponse res)
44          throws ActionException;
45  
46      public void run(RenderRequest req, RenderResponse res)
47          throws ActionException {
48  
49          try {
50              HttpServletRequest httpReq = _getHttpServletRequest(req);
51              HttpServletResponse httpRes = _getHttpServletResponse(res);
52  
53              run(httpReq, httpRes);
54          }
55          catch (ActionException ae) {
56              throw ae;
57          }
58          catch (Exception e) {
59              throw new ActionException(e);
60          }
61      }
62  
63      private HttpServletRequest _getHttpServletRequest(PortletRequest req)
64          throws Exception {
65  
66          Object returnObj = PortalClassInvoker.invoke(
67              _CLASS, _METHOD_GETHTTPSERVLETREQUEST, req, false);
68  
69          if (returnObj != null) {
70              return (HttpServletRequest)returnObj;
71          }
72          else {
73              return null;
74          }
75      }
76  
77      private HttpServletResponse _getHttpServletResponse(PortletResponse res)
78          throws Exception {
79  
80          Object returnObj = PortalClassInvoker.invoke(
81              _CLASS, _METHOD_GETHTTPSERVLETRESPONSE, res, false);
82  
83          if (returnObj != null) {
84              return (HttpServletResponse)returnObj;
85          }
86          else {
87              return null;
88          }
89      }
90  
91      private static final String _CLASS = "com.liferay.portal.util.PortalUtil";
92  
93      private static final String _METHOD_GETHTTPSERVLETREQUEST =
94          "getHttpServletRequest";
95  
96      private static final String _METHOD_GETHTTPSERVLETRESPONSE =
97          "getHttpServletResponse";
98  
99  }