# Package org.apache.tools.ant.attribute

Interface Summary
Interface | Description
--- | ---
EnableAttribute | This interface is used by Ant attributes.

Class Summary
Class | Description
--- | ---
AttributeNamespace | This class is used to indicate that the XML namespace (URI) can be used to look for namespace attributes.
BaseIfAttribute | An abstract class for if/unless attributes.
IfBlankAttribute | Check if an attribute is blank or not.
IfBlankAttribute.Unless | The unless version
IfSetAttribute | Check if an attribute value as a property is set or not
IfSetAttribute.Unless | The unless version
IfTrueAttribute | Check if an attribute value is true or not.
IfTrueAttribute.Unless | The unless version