dk.rode.thesis.chainofresponsibility
Class LetterHandler

java.lang.Object
  dk.rode.thesis.chainofresponsibility.CharacterHandler
      dk.rode.thesis.chainofresponsibility.LetterHandler

All Implemented Interfaces:

Handler<Character>

@Participant(value="ConcreteHandler")
public class LetterHandler
extends CharacterHandler

A letter handler is a handler that can handle letter characters.

Author:

Gunni Rode / rode.dk

Constructor Summary

LetterHandler()
No-arg constructor.

LetterHandler(HandlerChain<Character> chain)
Constructor, which registers this letter handler to the handler chain supplied as chain.

Method Summary

protected boolean

handle(Character character) Returns true if this handler can and have handled character, false if not.

Methods inherited from class dk.rode.thesis.chainofresponsibility.CharacterHandler

handle, register, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LetterHandler

public LetterHandler()

No-arg constructor.

This handler is not registered to any handler chain until specifically registered using the CharacterHandler.register(HandlerChain) method.

LetterHandler

public LetterHandler(HandlerChain<Character> chain)

Constructor, which registers this letter handler to the handler chain supplied as chain.

Parameters:

chain - The handler chain; cannot be null.

Throws:

NullPointerException - If chain is null.

Method Detail

handle

protected boolean handle(Character character)

Description copied from class: CharacterHandler

Returns true if this handler can and have handled character, false if not.

Specified by:

handle in class CharacterHandler

Parameters:

character - The character; can be null.

Returns:

True if character was handled, false if not.