AggregatePortlet xref

This project has retired. For details please refer to its Attic page.

1   /*
2    * Copyright 2000-2001,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.jetspeed.portal.portlets;
18  
19  import org.apache.jetspeed.om.profile.ProfileLocator;
20  import org.apache.jetspeed.services.Profiler;
21  import org.apache.jetspeed.om.profile.Profile;
22  import org.apache.jetspeed.om.profile.PSMLDocument;
23  import org.apache.jetspeed.om.profile.Portlets;
24  import org.apache.jetspeed.services.PortalToolkit;
25  import org.apache.jetspeed.portal.PortletSet;
26  import org.apache.jetspeed.services.rundata.JetspeedRunData;
27  import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
28  import org.apache.jetspeed.services.logging.JetspeedLogger;
29  import org.apache.jetspeed.util.JetspeedClearElement;
30  
31  import org.apache.ecs.ConcreteElement;
32  
33  import org.apache.turbine.util.RunData;
34  
35  /***
36      Aggregate Portlet aggregates the content of other portlets.
37  
38      This portlet is a test for an alternate aggregation algorithm (from getSet)
39  
40      @author <A HREF="mailto:taylor@apache.org">David Sean Taylor</A>
41      @version $Id: AggregatePortlet.java,v 1.8 2004/02/23 04:03:34 jford Exp $
42  */
43  
44  public class AggregatePortlet extends AbstractPortlet
45  {
46  
47      /***
48       * Static initialization of the logger for this class
49       */    
50      private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(AggregatePortlet.class.getName());
51      
52      /***
53      Returns an HTML representation of this portlet.  Usually a Portlet would
54      initialized itself within init() and then when getContent is called it
55      would return its presentation.
56      */
57      public ConcreteElement getContent(RunData rundata)
58      {
59          String key = ((JetspeedRunData)rundata).getProfile().getId()
60                      + "." + this.getID();
61  
62          String path = (String)rundata.getUser().getTemp(key);
63          if (path == null)
64          {
65              path = this.getPortletConfig().getInitParameter("path");
66          }
67  
68          if (null == path)
69          {
70              return new JetspeedClearElement("Path parameter not set");
71          }
72          ProfileLocator locator = Profiler.createLocator();
73          locator.createFromPath(path);
74          String id = locator.getId();
75  
76          try
77          {
78              Profile profile = Profiler.getProfile(locator);
79              PSMLDocument doc = profile.getDocument();
80  
81              if (doc == null)
82              {
83                  return null;
84              }
85              Portlets portlets = doc.getPortlets();
86              PortletSet ps = PortalToolkit.getSet(portlets);
87              return ps.getContent(rundata);
88          }
89          catch (Exception e)
90          {
91              logger.error("Exception",  e);
92              return new JetspeedClearElement("Error in aggregation portlet: " + e.toString());
93          }
94      }
95  
96  
97  
98  }