MarkRefPage xref

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

1   /*
2    * Copyright 2000-2004 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.modules.actions;
18   
19  // Java Core Classes
20  import java.util.Enumeration;
21  
22  // Jetspeed Modules
23  import org.apache.jetspeed.util.URILookup;
24  
25  // Turbine Modules
26  import org.apache.turbine.modules.Action;
27  import org.apache.turbine.util.RunData;
28  
29  /***
30   * Marks the referer page to enable buttons as "back"
31   * 
32   * @author <A HREF="shesmer@raleigh.ibm.com">Stephan Hesmer</A>
33  */
34  public class MarkRefPage extends Action
35  {
36      public void doPerform( RunData data ) throws Exception
37      {
38          Enumeration enum = data.getRequest().getHeaderNames();
39          while (enum.hasMoreElements()) {
40              String name = (String)enum.nextElement();
41              if ("referer".equalsIgnoreCase(name)) { 
42                  // check name case insensitive, because getHeader checks case-sensitive, 
43                  // though it is defined as case-insensitive in the servlet specification
44                  String uri = data.getRequest().getHeader(name);
45                  if (uri!=null) {
46                      // remove sessionid, if exists
47                      if (uri.indexOf(";jsessionid")!=-1) {
48                          uri = uri.substring(0,uri.indexOf(";jsessionid"));
49                      }
50                      // adds sessionid if necessary
51                      uri = data.getResponse().encodeURL( uri );
52                      URILookup.markPage( uri, data);
53                  }
54                  break;
55              }
56          }
57      }
58  
59  }