Package org.apache.tools.ant.taskdefs

Class ConditionTask

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.taskdefs.condition.ConditionBase

org.apache.tools.ant.taskdefs.ConditionTask

All Implemented Interfaces:

Cloneable

public class ConditionTask
extends ConditionBase

Task to set a property conditionally using <uptodate>, <available>, and many other supported conditions.

This task supports boolean logic as well as pluggable conditions to decide, whether a property should be set.

This task does not extend Task to take advantage of ConditionBase.

Since:

Ant 1.4

Field Summary

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

description, location, project

Constructor Summary

Constructors

Constructor	Description
ConditionTask()	Constructor, names this task "condition".

Method Summary

Modifier and Type	Method	Description
void	execute()	See whether our nested condition holds and set the property.
void	setElse(Object alt)	The value for the property to set, if condition evaluates to false.
void	setElse(String e)	The value for the property to set, if condition evaluates to false.
void	setProperty(String p)	The name of the property to set.
void	setValue(Object value)	The value for the property to set, if condition evaluates to true.
void	setValue(String v)	The value for the property to set, if condition evaluates to true.

Methods inherited from class org.apache.tools.ant.taskdefs.condition.ConditionBase

add, addAnd, addAvailable, addChecksum, addContains, addEquals, addFilesMatch, addHttp, addIsFalse, addIsFileSelected, addIsReference, addIsSet, addIsTrue, addNot, addOr, addOs, addSocket, addUptodate, countConditions, getConditions, getTaskName, setTaskName

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

Constructor Details

ConditionTask

public ConditionTask()

Constructor, names this task "condition".

Method Details

setProperty

public void setProperty(String p)

The name of the property to set. Required.

Parameters:

p - the name of the property

Since:

Ant 1.4

setValue

public void setValue(Object value)

The value for the property to set, if condition evaluates to true. Defaults to "true".

Parameters:

value - the (Object) value of the property

Since:

Ant 1.8

setValue

public void setValue(String v)

The value for the property to set, if condition evaluates to true. Defaults to "true".

Parameters:

v - the value of the property

Since:

Ant 1.4

setElse

public void setElse(Object alt)

The value for the property to set, if condition evaluates to false. If this attribute is not specified, the property will not be set.

Parameters:

alt - the alternate value of the property.

Since:

Ant 1.8

setElse

public void setElse(String e)

The value for the property to set, if condition evaluates to false. If this attribute is not specified, the property will not be set.

Parameters:

e - the alternate value of the property.

Since:

Ant 1.6.3

execute

public void execute()
             throws BuildException

See whether our nested condition holds and set the property.

Throws:

BuildException - if an error occurs

Since:

Ant 1.4