org.apache.tapestry5.corelib.components
Class Unless

java.lang.Object
  org.apache.tapestry5.corelib.base.AbstractConditional
      org.apache.tapestry5.corelib.components.Unless

public class Unless
extends AbstractConditional

A close relative of the If component that inverts the meaning of its test. This is easier than an If component with the negate parameter set to true.

Component Parameters

Name	Description	Type	Flags	Default	Default Prefix	Since
else	An alternate org.apache.tapestry5.Block to render if org.apache.tapestry5.corelib.base.AbstractConditional#test() is false. The default, null, means render nothing in that situation.	org.apache.tapestry5.Block			literal
test	If true, then the body of the component is omitted. If false, the body is rendered.	boolean	Required		prop

Constructor Summary

Unless()

Method Summary

protected boolean

test() Performs the test via the parameters; return true to render the body of the component, false to render the else block (or nothing).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Unless

public Unless()

Method Detail

test

protected boolean test()

Description copied from class: AbstractConditional

Performs the test via the parameters; return true to render the body of the component, false to render the else block (or nothing).

Specified by:

test in class AbstractConditional

Returns:

test parameter inverted