PortletTemplateLink xref

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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.util.template;
18  
19  import org.apache.turbine.util.RunData;
20  import org.apache.turbine.util.DynamicURI;
21  
22  import org.apache.jetspeed.portal.Portlet;
23  import org.apache.jetspeed.portal.PortletController;
24  import org.apache.jetspeed.portal.PanedPortletController;
25  import org.apache.jetspeed.services.rundata.JetspeedRunData;
26  
27  
28  /***
29   * A customized version of the JetspeedTemplateLink that reacts to the 
30   * Portlet context and allows you to manipulate the lowest level pane 
31   * if it exists.
32   *
33   * @author <a href="mailto:raphael@apache.org">Raphaël Luta</a>
34   * @deprecated Since 2002-03-05. Use JetspeedTemplateLink with the setPortlet(Portlet) method to give
35   * it the right context.
36   * @version $Id: PortletTemplateLink.java,v 1.4 2004/02/23 03:20:45 jford Exp $
37   */
38  public class PortletTemplateLink extends JetspeedTemplateLink
39  {
40          
41      private Portlet portlet = null;
42      private JetspeedRunData data = null;
43      
44      /***
45       * Empty constructor.for introspection
46       */
47      public PortletTemplateLink()
48      {
49      }
50  
51      /***
52       * Constructor.
53       *
54       * @param data A Turbine RunData object.
55       */
56      public PortletTemplateLink(RunData data, Portlet portlet)
57      {
58          super(data);
59          this.portlet = portlet;
60      }
61  
62      /*** 
63       * Add a select-panel reference in the link
64       *
65       * @param portlet the name of the portlet to link to
66       * @return a self reference for easy link construction in template
67       */
68      public DynamicURI setPanel(String panel)
69      {
70          removePathInfo(getPanelKey());
71          removeQueryData(getPanelKey());
72          return addPathInfo(getPanelKey(), panel);
73      }
74      
75       /*** 
76       * @return the panel parameter name
77       */
78      public String getPanelKey()
79      {
80          String panelName = PANEL_KEY;
81          try
82          {
83              PortletController controller = portlet.getPortletConfig()
84                                                    .getPortletSet()
85                                                    .getController();
86  
87              if (controller instanceof PanedPortletController)
88              {
89                  panelName=((PanedPortletController)controller).getParameterName();
90              }
91              
92          }
93          catch (Exception e)
94          {
95              panelName = PANEL_KEY;
96          }
97          
98          return panelName;
99      }    
100 }