1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.kernel.events;
21  
22  import com.liferay.portal.kernel.util.PortalClassInvoker;
23  
24  import javax.portlet.PortletRequest;
25  import javax.portlet.PortletResponse;
26  import javax.portlet.RenderRequest;
27  import javax.portlet.RenderResponse;
28  
29  import javax.servlet.http.HttpServletRequest;
30  import javax.servlet.http.HttpServletResponse;
31  
32  /**
33   * <a href="Action.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public abstract class Action {
39  
40      public abstract void run(
41              HttpServletRequest request, HttpServletResponse response)
42          throws ActionException;
43  
44      public void run(RenderRequest renderRequest, RenderResponse renderResponse)
45          throws ActionException {
46  
47          try {
48              HttpServletRequest request = _getHttpServletRequest(renderRequest);
49              HttpServletResponse response = _getHttpServletResponse(
50                  renderResponse);
51  
52              run(request, response);
53          }
54          catch (ActionException ae) {
55              throw ae;
56          }
57          catch (Exception e) {
58              throw new ActionException(e);
59          }
60      }
61  
62      private HttpServletRequest _getHttpServletRequest(
63              PortletRequest portletRequest)
64          throws Exception {
65  
66          Object returnObj = PortalClassInvoker.invoke(
67              _CLASS, _METHOD_GETHTTPSERVLETREQUEST, portletRequest, false);
68  
69          if (returnObj != null) {
70              return (HttpServletRequest)returnObj;
71          }
72          else {
73              return null;
74          }
75      }
76  
77      private HttpServletResponse _getHttpServletResponse(
78              PortletResponse portletResponse)
79          throws Exception {
80  
81          Object returnObj = PortalClassInvoker.invoke(
82              _CLASS, _METHOD_GETHTTPSERVLETRESPONSE, portletResponse, false);
83  
84          if (returnObj != null) {
85              return (HttpServletResponse)returnObj;
86          }
87          else {
88              return null;
89          }
90      }
91  
92      private static final String _CLASS = "com.liferay.portal.util.PortalUtil";
93  
94      private static final String _METHOD_GETHTTPSERVLETREQUEST =
95          "getHttpServletRequest";
96  
97      private static final String _METHOD_GETHTTPSERVLETRESPONSE =
98          "getHttpServletResponse";
99  
100 }