ParserSupports (Apache Ant API)
Date: 2008-06-27

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## 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

Field Summary
`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
`ParserSupports()`

Method Summary
`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`

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

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