Class DefaultInputHandler

java.lang.Object
org.apache.tools.ant.input.DefaultInputHandler
All Implemented Interfaces:
InputHandler
Direct Known Subclasses:
GreedyInputHandler, SecureInputHandler

public class DefaultInputHandler extends Object implements InputHandler
Prompts on System.err, reads input from System.in
Since:
Ant 1.5
  • Constructor Details

    • DefaultInputHandler

      public DefaultInputHandler()
      Empty no-arg constructor
  • Method Details

    • 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 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 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.