ConditionTask (Apache Ant API)
Keywords: org.apache.tools.ant.taskdefs.ConditionTask class

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## 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:
  java.lang.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
`ConditionTask()` Constructor, names this task "condition".

Method Summary
`void` | `execute()` See whether our nested condition holds and set the property.
`void` | `setElse(java.lang.Object alt)` The value for the property to set, if condition evaluates to false.
`void` | `setElse(java.lang.String e)` The value for the property to set, if condition evaluates to false.
`void` | `setProperty(java.lang.String p)` The name of the property to set.
`void` | `setValue(java.lang.Object value)` The value for the property to set, if condition evaluates to true.
`void` | `setValue(java.lang.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 Detail

### ConditionTask

    public ConditionTask()

  Constructor, names this task "condition".

Method Detail

### setProperty

    public void setProperty(java.lang.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(java.lang.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(java.lang.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(java.lang.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(java.lang.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

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