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Evaluating Software Design Patterns — the "Gang of Four" patterns implemented in Java 6 |
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java.lang.Object dk.rode.thesis.chainofresponsibility.CharacterHandler dk.rode.thesis.chainofresponsibility.LetterHandler
@Participant(value="ConcreteHandler") public class LetterHandler
A letter handler is a handler that can handle
letter
characters.
Constructor Summary | |
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LetterHandler()
No-arg constructor. |
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LetterHandler(HandlerChain<Character> chain)
Constructor, which registers this letter handler to the handler chain supplied as chain . |
Method Summary | |
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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 |
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handle, register, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public LetterHandler()
This handler is not registered to any
handler chain
until specifically
registered using the CharacterHandler.register(HandlerChain)
method.
public LetterHandler(HandlerChain<Character> chain)
chain
.
chain
- The handler chain; cannot be null.
NullPointerException
- If chain
is null.Method Detail |
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protected boolean handle(Character character)
CharacterHandler
character
, false if not.
handle
in class CharacterHandler
character
- The character; can be null.
character
was handled, false if not.
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Gunni Rode / rode.dk | ||||||||
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