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1   /**
2    * This file Copyright (c) 2003-2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.admininterface;
35  
36  import java.io.IOException;
37  
38  import javax.servlet.http.HttpServletRequest;
39  import javax.servlet.http.HttpServletResponse;
40  
41  
42  /**
43   * This is a simple default implementation. Overwrite the render method to process the page.
44   * @author Philipp Bracher
45   * @version $Revision: 41137 $ ($Author: gjoseph $)
46   */
47  public abstract class SimplePageMVCHandler extends PageMVCHandler {
48  
49      /**
50       * @param name
51       * @param request
52       * @param response
53       */
54      public SimplePageMVCHandler(String name, HttpServletRequest request, HttpServletResponse response) {
55          super(name, request, response);
56      }
57  
58      /**
59       * Calls the render method.
60       * @see info.magnolia.cms.servlets.MVCServletHandler#renderHtml(java.lang.String)
61       */
62      public void renderHtml(String view) throws IOException {
63          if (VIEW_SHOW.equals(view)) {
64              try {
65                  render(getRequest(), getResponse());
66              }
67              catch (Exception e) {
68                  log.error("Exception during rendering the page", e);
69                  e.printStackTrace(getResponse().getWriter());
70              }
71          }
72      }
73  
74      /**
75       * Does the rendering job. You have to override this method.
76       * @param request
77       * @param response
78       * @throws Exception
79       */
80      protected abstract void render(HttpServletRequest request, HttpServletResponse response) throws Exception;
81  
82  }