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	Type	Flags	Default	Default Prefix
else	org.apache.tapestry5.Block			literal
	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.
test	boolean	Required		prop
	If true, then the body of the component is omitted. If false, the body is rendered.

Constructor Summary

Constructors

Constructor and Description
Unless()

Method Summary

Methods

Modifier and Type	Method and Description
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