org.apache.tools.ant.input
Class DefaultInputHandler

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

All Implemented Interfaces:

InputHandler

Direct Known Subclasses:

GreedyInputHandler

public class DefaultInputHandler
extends java.lang.Object
implements InputHandler

Prompts on System.err, reads input from System.in

Since:

Ant 1.5

Constructor Summary

DefaultInputHandler()
Empty no-arg constructor

Method Summary

protected java.io.InputStream	getInputStream() Returns the input stream from which the user input should be read.
protected java.lang.String	getPrompt(InputRequest request) Constructs user prompt from a request.
void	handleInput(InputRequest request) Prompts and requests input.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultInputHandler

public DefaultInputHandler()

Empty no-arg constructor

Method Detail

handleInput

public void handleInput(InputRequest request)
                 throws BuildException

Prompts and requests input. May loop until a valid input has been entered.

Specified by:

handleInput in interface InputHandler

Parameters:

request - the request to handle

Throws:

BuildException - if not possible to read from console

getPrompt

protected java.lang.String getPrompt(InputRequest request)

Constructs user prompt from a request.

This implementation adds (choice1,choice2,choice3,...) to the prompt for MultipleChoiceInputRequests.

Parameters:

request - the request to construct the prompt for. Must not be null.

Returns:

the prompt to ask the user

getInputStream

protected java.io.InputStream getInputStream()

Returns the input stream from which the user input should be read.

Returns:

the input stream from which the user input should be read.