dk.rode.thesis.chainofresponsibility
Class SymbolHandler

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

All Implemented Interfaces:

Handler<Character>

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

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

Author:

Gunni Rode / rode.dk

Constructor Summary

SymbolHandler()
No-arg constructor.

SymbolHandler(HandlerChain<Character> chain)
Constructor, which registers this symbol 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

SymbolHandler

public SymbolHandler()

No-arg constructor.

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

SymbolHandler

public SymbolHandler(HandlerChain<Character> chain)

Constructor, which registers this symbol 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.