org.apache.commons.jelly.tags.xml
Class IfTag

java.lang.Object
  extended by org.apache.commons.jelly.TagSupport
      extended by org.apache.commons.jelly.xpath.XPathTagSupport
          extended by org.apache.commons.jelly.tags.xml.IfTag
All Implemented Interfaces:
Tag

public class IfTag
extends XPathTagSupport

Evaluates the XPath expression to be a boolean and only evaluates the body if the expression is true.

Version:
$Revision: 155420 $
Author:
James Strachan

Field Summary
 
Fields inherited from class org.apache.commons.jelly.TagSupport
body, context, parent
 
Constructor Summary
IfTag()
           
 
Method Summary
 void doTag(XMLOutput output)
          Evaluates this tag after all the tags properties have been initialized.
protected  java.lang.Object getXPathContext()
           
 void setSelect(org.jaxen.XPath select)
          Sets the XPath expression to evaluate.
 
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
 

Constructor Detail

IfTag

public IfTag()
Method Detail

doTag

public void doTag(XMLOutput output)
           throws MissingAttributeException,
                  JellyTagException
Description copied from interface: Tag
Evaluates this tag after all the tags properties have been initialized.

Throws:
MissingAttributeException
JellyTagException

setSelect

public void setSelect(org.jaxen.XPath select)
Sets the XPath expression to evaluate.


getXPathContext

protected java.lang.Object getXPathContext()
Overrides:
getXPathContext in class XPathTagSupport


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