org.apache.struts.taglib.logic
Class PresentTag

org.apache.struts.taglib.logic.ConditionalTagBase
  |
  +--org.apache.struts.taglib.logic.PresentTag
Direct Known Subclasses:
NotPresentTag

public class PresentTag
extends ConditionalTagBase

Evalute the nested body content of this tag if the specified value is present for this request.

Version:
$Revision: 1.7.2.1 $ $Date: 2001/06/11 17:34:40 $
Author:
Craig R. McClanahan

Fields inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
cookie, header, messages, name, parameter, property, role, scope, user
 
Constructor Summary
PresentTag()
           
 
Method Summary
protected  boolean condition()
          Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped.
protected  boolean condition(boolean desired)
          Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped.
 
Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
doEndTag, doStartTag, getCookie, getHeader, getName, getParameter, getProperty, getRole, getScope, getUser, release, setCookie, setHeader, setName, setParameter, setProperty, setRole, setScope, setUser
 

Constructor Detail

PresentTag

public PresentTag()
Method Detail

condition

protected boolean condition()
                     throws javax.servlet.jsp.JspException
Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped. This method must be implemented by concrete subclasses.
Overrides:
condition in class ConditionalTagBase
Throws:
JspException - if a JSP exception occurs

condition

protected boolean condition(boolean desired)
                     throws javax.servlet.jsp.JspException
Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped. This method must be implemented by concrete subclasses.
Parameters:
desired - Desired outcome for a true result
Throws:
JspException - if a JSP exception occurs


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