org.apache.commons.jelly.tags.xml

Class IfTag

java.lang.Object

org.apache.commons.jelly.TagSupport

org.apache.commons.jelly.xpath.XPathTagSupport

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

Constructors

Constructor and Description
IfTag()

Method Summary

Methods

Modifier and Type	Method and Description
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