Package org.apache.commons.jelly.tags.core

Class SwitchTag

java.lang.Object

org.apache.commons.jelly.TagSupport

org.apache.commons.jelly.tags.core.SwitchTag

All Implemented Interfaces:

Tag

public class SwitchTag
extends TagSupport

Executes the child <case> tag whose value equals my on attribute. Executes a child <default> tag when present and no <case> tag has yet matched.

Version:

$Revision: 155420 $ $Date: 2005-02-26 05:06:03 -0800 $

Author:

Rodney Waldhoff

See Also:

• CaseTag
• DefaultTag

Field Summary

Fields inherited from class org.apache.commons.jelly.TagSupport

body, context, parent

Constructor Summary

Constructors

Constructor	Description
SwitchTag()

Method Summary

Modifier and Type	Method	Description
protected void	caseMatched()
protected void	defaultEncountered()
void	doTag(XMLOutput output)	Evaluates this tag after all the tags properties have been initialized.
protected Object	getValue()
protected boolean	hasDefaultBeenEncountered()
protected boolean	hasSomeCaseMatched()
protected boolean	isFallingThru()
protected void	setFallingThru(boolean fallingThru)
void	setOn(Expression on)	Sets the value to switch on.

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 Details

SwitchTag

public SwitchTag()

Method Details

setOn

public void setOn(Expression on)

Sets the value to switch on. Note that the Expression is evaluated only once, when the <switch> tag is evaluated.

Parameters:

on - the value to switch on

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

hasSomeCaseMatched

protected boolean hasSomeCaseMatched()

caseMatched

protected void caseMatched()

isFallingThru

protected boolean isFallingThru()

setFallingThru

protected void setFallingThru(boolean fallingThru)

getValue

protected Object getValue()

hasDefaultBeenEncountered

protected boolean hasDefaultBeenEncountered()

defaultEncountered

protected void defaultEncountered()