org.apache.tools.ant.attribute

## Class BaseIfAttribute

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

All Implemented Interfaces:
  java.lang.Cloneable, EnableAttribute

Direct Known Subclasses:
  IfBlankAttribute, IfSetAttribute, IfTrueAttribute

    public abstract class BaseIfAttribute
    extends ProjectComponent
    implements EnableAttribute

An abstract class for if/unless attributes. This contains a boolean flag to specify whether this is an if or unless attribute.

Since:
  Ant 1.9.1

### Field Summary

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

`description, location, project`

### Constructor Summary

Constructors
Constructor and Description
`BaseIfAttribute()`

### Method Summary

Methods
`protected boolean` `convertResult(boolean val)` convert the result.
`protected java.util.Map` `getParams(UnknownElement el)` Get all the attributes in the ant-attribute:param namespace and place them in a map.
`protected boolean` `isPositive()` Get the positive flag.
`protected void` `setPositive(boolean positive)` Set the positive flag.

### 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`

### Methods inherited from interface org.apache.tools.ant.attribute.EnableAttribute

`isEnabled`

### Constructor Detail

#### BaseIfAttribute

    public BaseIfAttribute()

### Method Detail

#### setPositive

    protected void setPositive(boolean positive)

Set the positive flag.

Parameters:
  `positive` - the value to use.

#### isPositive

    protected boolean isPositive()

Get the positive flag.

Returns:
  the flag.

#### convertResult

    protected boolean convertResult(boolean val)

convert the result.

Parameters:
  `val` - the result to convert
Returns:
  val if positive or !val if not.

#### getParams

    protected java.util.Map getParams(UnknownElement el)

Get all the attributes in the ant-attribute:param namespace and place them in a map.

Parameters:
  `el` - the element this attribute is in.
Returns:
  a map of attributes.