org.apache.tools.ant.attribute

## Class IfSetAttribute

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.attribute.BaseIfAttribute
    - - org.apache.tools.ant.attribute.IfSetAttribute

All Implemented Interfaces:
  java.lang.Cloneable, EnableAttribute

Direct Known Subclasses:
  IfSetAttribute.Unless

    public class IfSetAttribute
    extends BaseIfAttribute

Check if an attribute value as a property is set or not

Since:
  Ant 1.9.1

### Nested Class Summary

Nested Classes
`static class` `IfSetAttribute.Unless` The unless version

### Field Summary

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

`description, location, project`

### Constructor Summary

Constructors
Constructor and Description
`IfSetAttribute()`

### Method Summary

Methods
`boolean` `isEnabled(UnknownElement el, java.lang.String value)` check if the attribute value is blank or not is enabled.

### Methods inherited from class org.apache.tools.ant.attribute.BaseIfAttribute

`convertResult, getParams, isPositive, setPositive`

### 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

#### IfSetAttribute

    public IfSetAttribute()

### Method Detail

#### isEnabled

    public boolean isEnabled(UnknownElement el,
                    java.lang.String value)

check if the attribute value is blank or not is enabled.

Parameters:
  `el` - the unknown element this attribute is in.
  `value` - the value of the attribute.
Returns:
  true if the attribute enables the element, false otherwise.