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1   package org.apache.jetspeed.services.jsp.tags;
2   
3   /*
4    * Copyright 2000-2004 The Apache Software Foundation.
5    * 
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    * 
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.util.Date;
20  import java.text.DateFormat;
21  
22  import javax.servlet.jsp.JspException;
23  import javax.servlet.jsp.PageContext;
24  import javax.servlet.jsp.tagext.TagSupport;
25  
26  // Turbine Classes 
27  import org.apache.turbine.util.RunData;
28  import org.apache.turbine.services.jsp.JspService;
29  
30  // Jetspeed classes
31  import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
32  import org.apache.jetspeed.services.logging.JetspeedLogger;
33  
34  /***
35   * Supporting class for the info tag.
36   * Sends the screens ecs element's content to the output stream.  
37   *
38   * @author <a href="mailto:ingo@raleigh.ibm.com">Ingo Schuster</a>
39   * @author <a href="mailto:paulsp@apache.org">Paul Spencer</a>
40   */
41  public class InfoTag extends TagSupport 
42  {
43      /***
44       * Static initialization of the logger for this class
45       */    
46      private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(InfoTag.class.getName());
47      
48      /***
49       * requestedInfo parameter defines type of Info that is being requested
50       */
51      private String requestedInfo;
52  
53      /*** 
54       * The setter for requestedInfo parameter
55       */
56      public void setRequestedInfo(String requestedInfo)
57      {
58          this.requestedInfo = requestedInfo;
59      }
60  
61  
62      public int doStartTag() throws JspException 
63      {
64          RunData data = (RunData)pageContext.getAttribute(JspService.RUNDATA, PageContext.REQUEST_SCOPE);    
65          
66          try
67          {           
68              String result = "jetspeed-InfoTag: unknown parameter >" + requestedInfo +"<";
69  
70              /* Server Date */
71              if (requestedInfo.equalsIgnoreCase("ServerDate")) {
72                  result = DateFormat.getDateTimeInstance().format( new Date());
73              }  
74  
75              /* User Name */
76              if (requestedInfo.equalsIgnoreCase("UserName")) {
77                result = data.getUser().getUserName();
78              }  
79  
80              /* First Name */
81              if (requestedInfo.equalsIgnoreCase("FirstName")) {
82                result = data.getUser().getFirstName();
83              }  
84  
85              /* Last Name */
86              if (requestedInfo.equalsIgnoreCase("LastName")) {
87                result = data.getUser().getLastName();
88              }  
89  
90              /* EMail */
91              if (requestedInfo.equalsIgnoreCase("EMail")) {
92                result = data.getUser().getEmail();
93              }  
94              pageContext.getOut().print(result);
95          }
96          catch (Exception e)
97          {
98              String message = "Error processing info-tag, parameter: "+ requestedInfo;
99              logger.error(message, e);
100             try
101             {
102                 data.getOut().print("Error processing info-tag, parameter: "+ requestedInfo);
103             }
104             catch(java.io.IOException ioe) {}    
105         }
106         return EVAL_BODY_INCLUDE;
107     }
108 }