PropertyFileInputHandler (Apache Ant API)
Description: declaration: package: org.apache.tools.ant.input, class: PropertyFileInputHandler

# Class PropertyFileInputHandler

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

All Implemented Interfaces:
  `InputHandler`

public class PropertyFileInputHandler extends 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
  Modifier and Type
  Field
  Description
  `static final String`
  `FILE_NAME_KEY`
  Name of the system property we expect to hold the file name.

- ## Constructor Summary

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

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `handleInput(InputRequest request)`
  Picks up the input from a property, using the prompt as the name of the property.

  ### Methods inherited from class Object

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

- ## Field Details

  - ### FILE_NAME_KEY

    public static final String FILE_NAME_KEY
    Name of the system property we expect to hold the file name.
    See Also:
      - Constant Field Values

- ## Constructor Details

  - ### PropertyFileInputHandler

    public PropertyFileInputHandler()
    Empty no-arg constructor.

- ## Method Details

  - ### 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.