org.apache.tools.ant.taskdefs.condition

## Class ParserSupports

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.taskdefs.condition.ParserSupports

All Implemented Interfaces:
  java.lang.Cloneable, Condition

    public class ParserSupports
    extends ProjectComponent
    implements Condition

Test for the XML parser supporting a particular feature

Since:
  Ant 1.7

### Property Summary

Properties
`boolean` `eval` Set a property

### Field Summary

Fields
`static java.lang.String` `ERROR_BOTH_ATTRIBUTES` error - combined attributes not allowed
`static java.lang.String` `ERROR_NO_ATTRIBUTES` error - missing attribute
`static java.lang.String` `ERROR_NO_VALUE` error - no value
`static java.lang.String` `FEATURE` feature
`static java.lang.String` `NOT_RECOGNIZED` error - not recognized
`static java.lang.String` `NOT_SUPPORTED` error - not supported
`static java.lang.String` `PROPERTY` property

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

`description, location, project`

### Constructor Summary

Constructors
Constructor and Description
`ParserSupports()`

### Method Summary

Methods
`boolean` `eval()` Is this condition true?
`boolean` `evalFeature()` Set a feature
`boolean` `evalProperty()` Set a property
`void` `setFeature(java.lang.String feature)` Feature to probe for.
`void` `setProperty(java.lang.String property)` Property to probe for
`void` `setValue(java.lang.String value)` Optional value to set.

### 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`

### Property Detail

#### eval

Set a property

Returns:
  true if the feature could be set

### Field Detail

#### ERROR_BOTH_ATTRIBUTES

    public static final java.lang.String ERROR_BOTH_ATTRIBUTES

error - combined attributes not allowed

See Also:
  Constant Field Values

#### FEATURE

    public static final java.lang.String FEATURE

feature

See Also:
  Constant Field Values

#### PROPERTY

    public static final java.lang.String PROPERTY

property

See Also:
  Constant Field Values

#### NOT_RECOGNIZED

    public static final java.lang.String NOT_RECOGNIZED

error - not recognized

See Also:
  Constant Field Values

#### NOT_SUPPORTED

    public static final java.lang.String NOT_SUPPORTED

error - not supported

See Also:
  Constant Field Values

#### ERROR_NO_ATTRIBUTES

    public static final java.lang.String ERROR_NO_ATTRIBUTES

error - missing attribute

See Also:
  Constant Field Values

#### ERROR_NO_VALUE

    public static final java.lang.String ERROR_NO_VALUE

error - no value

See Also:
  Constant Field Values

### Constructor Detail

#### ParserSupports

    public ParserSupports()

### Method Detail

#### setFeature

    public void setFeature(java.lang.String feature)

Feature to probe for.

Parameters:
  `feature` - the feature to probe for.

#### setProperty

    public void setProperty(java.lang.String property)

Property to probe for

Parameters:
  `property` - the property to probe for.

#### setValue

    public void setValue(java.lang.String value)

Optional value to set. Converted to a boolean value when setting a property

Parameters:
  `value` - the value to set.

#### eval

    public boolean eval()
                 throws BuildException

Is this condition true?.

Specified by:
  `eval` in interface `Condition`
Returns:
  true if the condition is true
Throws:
  `BuildException` - if an error occurs

#### evalFeature

    public boolean evalFeature()

Set a feature

Returns:
  true if the feature could be set

#### evalProperty

    public boolean evalProperty()

Set a property

Returns:
  true if the feature could be set