IfTag


1   /*
2    * Copyright (c) 2002-2003 by OpenSymphony
3    * All rights reserved.
4    */
5   package com.opensymphony.webwork.views.jsp;
6   
7   import javax.servlet.jsp.JspException  ;
8   
9   
10  /**
11   * @author $Author: plightbo $
12   * @version $Revision: 1.9 $
13   */
14  public class IfTag extends WebWorkTagSupport {
15      //~ Static fields/initializers /////////////////////////////////////////////
16  
17      public static final String   ANSWER = "webwork.if.answer";
18  
19      //~ Instance fields ////////////////////////////////////////////////////////
20  
21      Boolean   answer;
22      String   test;
23  
24      //~ Methods ////////////////////////////////////////////////////////////////
25  
26      public void setTest(String   test) {
27          this.test = test;
28      }
29  
30      public int doEndTag() throws JspException   {
31          pageContext.setAttribute(ANSWER, answer);
32  
33          return SKIP_BODY;
34      }
35  
36      public int doStartTag() throws JspException   {
37          answer = (Boolean  ) findValue(test, Boolean  .class);
38  
39          if (answer == null) {
40              answer = Boolean.FALSE;
41          }
42  
43          if (answer.booleanValue()) {
44              return EVAL_BODY_INCLUDE;
45          } else {
46              return SKIP_BODY;
47          }
48      }
49  }
50

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