1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.portlet.messageboards.action;
24  
25  import com.liferay.portal.kernel.servlet.SessionErrors;
26  import com.liferay.portal.security.auth.PrincipalException;
27  import com.liferay.portal.struts.PortletAction;
28  import com.liferay.portlet.messageboards.BannedUserException;
29  import com.liferay.portlet.messageboards.NoSuchCategoryException;
30  
31  import javax.portlet.PortletConfig;
32  import javax.portlet.RenderRequest;
33  import javax.portlet.RenderResponse;
34  
35  import org.apache.struts.action.ActionForm;
36  import org.apache.struts.action.ActionForward;
37  import org.apache.struts.action.ActionMapping;
38  
39  /**
40   * <a href="ViewAction.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Brian Wing Shun Chan
43   *
44   */
45  public class ViewAction extends PortletAction {
46  
47      public ActionForward render(
48              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
49              RenderRequest renderRequest, RenderResponse renderResponse)
50          throws Exception {
51  
52          try {
53              ActionUtil.getCategory(renderRequest);
54          }
55          catch (Exception e) {
56              if (e instanceof BannedUserException ||
57                  e instanceof NoSuchCategoryException ||
58                  e instanceof PrincipalException) {
59  
60                  SessionErrors.add(renderRequest, e.getClass().getName());
61  
62                  return mapping.findForward("portlet.message_boards.error");
63              }
64              else {
65                  throw e;
66              }
67          }
68  
69          return mapping.findForward("portlet.message_boards.view");
70      }
71  
72  }