org.apache.commons.jelly.tags.core
Class WhileTag

java.lang.Object
  extended by org.apache.commons.jelly.TagSupport
      extended by org.apache.commons.jelly.tags.core.WhileTag
All Implemented Interfaces:
Tag

public class WhileTag
extends TagSupport

A tag which performs an iteration while the result of an expression is true.

Version:
$Revision: 1807798 $
Author:
Eric Alexander, dIon Gillard

Field Summary
private static org.apache.commons.logging.Log log
          The Log to which logging calls will be made.
private  Expression test
          The expression to use to determine if the while should continue
 
Fields inherited from class org.apache.commons.jelly.TagSupport
body, context, hasTrimmed, parent, shouldTrim
 
Constructor Summary
WhileTag()
          Create a new while tag
 
Method Summary
 void doTag(XMLOutput output)
          Tag interface
 void setTest(Expression e)
          Setter for the expression
 
Methods inherited from class org.apache.commons.jelly.TagSupport
findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, getBody, getBodyText, getBodyText, getContext, getParent, invokeBody, isEscapeText, isTrim, setBody, setContext, setEscapeText, setParent, setTrim, trimBody
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

log

private static final org.apache.commons.logging.Log log
The Log to which logging calls will be made.


test

private Expression test
The expression to use to determine if the while should continue

Constructor Detail

WhileTag

public WhileTag()
Create a new while tag

Method Detail

doTag

public void doTag(XMLOutput output)
           throws MissingAttributeException,
                  JellyTagException
Tag interface

Parameters:
output - destination for xml output
Throws:
MissingAttributeException - when the test attribute is missing
java.lang.Exception - for anything else
JellyTagException

setTest

public void setTest(Expression e)
Setter for the expression

Parameters:
e - the expression to test