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1   /**
2    * This file Copyright (c) 2003-2010 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 info.magnolia.cms.servlets.MVCServlet;
37  import info.magnolia.cms.servlets.MVCServletHandler;
38  import info.magnolia.cms.util.RequestFormUtil;
39  
40  import javax.servlet.http.HttpServletRequest;
41  import javax.servlet.http.HttpServletResponse;
42  
43  import org.apache.commons.lang.StringUtils;
44  import org.slf4j.Logger;
45  import org.slf4j.LoggerFactory;
46  
47  
48  /**
49   * @author Philipp Bracher
50   * @version $Id: PageMVCServlet.java 32667 2010-03-13 00:37:06Z gjoseph $
51   */
52  public class PageMVCServlet extends MVCServlet {
53  
54      /**
55       * Stable serialVersionUID.
56       */
57      private static final long serialVersionUID = 222L;
58  
59      /**
60       * Logger.
61       */
62      private static Logger log = LoggerFactory.getLogger(PageMVCServlet.class);
63  
64      /**
65       * {@inheritDoc}
66       */
67      protected MVCServletHandler getHandler(HttpServletRequest request, HttpServletResponse response) {
68  
69          String pageName = RequestFormUtil.getParameter(request, "mgnlPage"); //$NON-NLS-1$
70          if (StringUtils.isEmpty(pageName)) {
71              if (StringUtils.isNotEmpty((String) request.getAttribute("javax.servlet.include.servlet_path"))) {
72                  pageName = (String) request.getAttribute("javax.servlet.include.path_info");
73              }
74  
75              if (StringUtils.isEmpty(pageName)) {
76                  pageName = request.getPathInfo();
77              }
78  
79              // strip off leading path
80              pageName = StringUtils.substringAfterLast(pageName, "/");
81              // strip any extension
82              pageName = StringUtils.substringBeforeLast(pageName, ".");
83          }
84  
85          PageMVCHandler handler = null;
86  
87          if (StringUtils.isNotEmpty(pageName)) {
88              // try to get a registered handler
89              try {
90                  handler = PageHandlerManager.getInstance().getPageHandler(pageName, request, response);
91              }
92              catch (InvalidDialogPageHandlerException e) {
93                  log.error("Could not instanciate page handler with name " + pageName, e);
94              }
95          }
96          else {
97              log.warn("No dialogpage name passed for url {}", request.getRequestURI()); //$NON-NLS-1$
98          }
99  
100         return handler;
101     }
102 
103 }