org.apache.tools.ant.taskdefs.condition
Class IsReference

java.lang.Object
  |
  +--org.apache.tools.ant.ProjectComponent
        |
        +--org.apache.tools.ant.taskdefs.condition.IsReference

All Implemented Interfaces:

Condition

public class IsReference

extends ProjectComponent

implements Condition

Condition that tests whether a given reference has been defined.

Optionally tests whether it is of a given type/class.

Since:

Ant 1.6

Field Summary

Fields inherited from class org.apache.tools.ant.ProjectComponent

project

Constructor Summary

IsReference()

Method Summary

boolean	eval() Is this condition true?
void	setRefid(Reference r) Set the refid attribute.
void	setType(java.lang.String type) Set the type attribute.

Methods inherited from class org.apache.tools.ant.ProjectComponent

getProject, log, log, setProject

Methods inherited from class java.lang.Object

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

Constructor Detail

IsReference

public IsReference()

Method Detail

setRefid

public void setRefid(Reference r)

Set the refid attribute.

Parameters:

r - a Reference value

setType

public void setType(java.lang.String type)

Set the type attribute. This is optional attribute.

Parameters:

type - an ant component type name

eval

public boolean eval()
             throws BuildException

Description copied from interface: Condition

Is this condition true?

Specified by:

eval in interface Condition

Returns:

true if the reference exists and if type is set, if the reference is the same type

Throws:

BuildException - if an error occurs