org.apache.tools.ant.input

## Class PropertyFileInputHandler

- java.lang.Object
- - org.apache.tools.ant.input.PropertyFileInputHandler

All Implemented Interfaces:
  InputHandler

    public class PropertyFileInputHandler
    extends java.lang.Object
    implements InputHandler

Reads input from a property file, the file name is read from the system property ant.input.properties, the prompt is the key for input.

Since:
  Ant 1.5

### Field Summary

Fields
`static java.lang.String` `FILE_NAME_KEY` Name of the system property we expect to hold the file name.

### Constructor Summary

Constructors
Constructor and Description
`PropertyFileInputHandler()` Empty no-arg constructor.

### Method Summary

All Methods Instance Methods Concrete Methods
`void` `handleInput(InputRequest request)` Picks up the input from a property, using the prompt as the name of the property.

### Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

### Field Detail

#### FILE_NAME_KEY

    public static final java.lang.String FILE_NAME_KEY

Name of the system property we expect to hold the file name.

See Also:
  Constant Field Values

### Constructor Detail

#### PropertyFileInputHandler

    public PropertyFileInputHandler()

Empty no-arg constructor.

### Method Detail

#### handleInput

    public void handleInput(InputRequest request)
                     throws BuildException

Picks up the input from a property, using the prompt as the name of the property.

Specified by:
  `handleInput` in interface `InputHandler`
Parameters:
  `request` - an input request.
Throws:
  `BuildException` - if no property of that name can be found.