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:

Cloneable, 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

Constructor Summary

Constructors

Constructor and Description
IsReference()

Method Summary

Modifier and Type	Method and Description
boolean	eval() Is this condition true?
void	setRefid(Reference r) Set the refid attribute.
void	setType(String type) Set the type attribute.

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

clone, getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

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

Constructor Detail

IsReference

public IsReference()

Method Detail

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

setRefid

public void setRefid(Reference r)

Set the refid attribute.

Parameters:

r - a Reference value

setType

public void setType(String type)

Set the type attribute. This is optional attribute.

Parameters:

type - an ant component type name