## 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: 2005-02-27 00:06:03 +1100 (Sun, 27 Feb 2005) $
Author:
  Rodney Waldhoff
See Also:
  `CaseTag`, `DefaultTag`

Field Summary

Fields inherited from class org.apache.commons.jelly.TagSupport
`body, context, hasTrimmed, parent, shouldTrim`

Constructor Summary
`SwitchTag()`

Method Summary
`protected void` `caseMatched()`
`protected void` `defaultEncountered()`
`void` `doTag(XMLOutput output)` Evaluates this tag after all the tags properties have been initialized.
`protected java.lang.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 Detail

### SwitchTag

    public SwitchTag()

Method Detail

### 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 java.lang.Object getValue()

### hasDefaultBeenEncountered

    protected boolean hasDefaultBeenEncountered()

### defaultEncountered

    protected void defaultEncountered()

Copyright © 2002-2005 Apache Software Foundation. All Rights Reserved.