## org.apache.tools.ant.attribute
Class IfBlankAttribute

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.attribute.BaseIfAttribute
              org.apache.tools.ant.attribute.IfBlankAttribute

All Implemented Interfaces:
  java.lang.Cloneable, EnableAttribute

Direct Known Subclasses:
  IfBlankAttribute.Unless

    public class IfBlankAttribute

extends BaseIfAttribute

Check if an attribute is blank or not.

Since:
  Ant 1.9.1

Nested Class Summary
`static class` `IfBlankAttribute.Unless` The unless version

Field Summary

Fields inherited from class org.apache.tools.ant.ProjectComponent
`description, location, project`

Constructor Summary
`IfBlankAttribute()`

Method Summary
`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

### IfBlankAttribute

    public IfBlankAttribute()

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.