package ca.ubc.cs.spl.aspectPatterns.examples.decorator.java;
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This file is part of the design patterns project at UBC
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is ca.ubc.cs.spl.aspectPatterns.
*
* For more details and the latest version of this code, please see:
* http://www.cs.ubc.ca/labs/spl/projects/aodps.html
*
* Contributor(s):
*/
/**
* Defines the <i>Decorator</i> interface. This is realized as an abstract
* class to allow for default implementations (set varible "output",
* provide default implementation for <code>print(String)</code>).
*
* @author Jan Hannemann
* @author Gregor Kiczales
* @version 1.1, 02/11/04
*/
public abstract class OutputDecorator implements Output {
/**
* the <i>Component</i> to decorate
*/
protected Output outputComponent;
/**
* Prints the argument string to <code>System.out</code>. This method is
* overwritten by concrete decorators. The default implementation
* forwards the method call to the decorated <i>Component</i>.
*
* @param s the string to be printed.
*/
public void print(String s) {
outputComponent.print(s);
}
/**
* Defines the constructor signature. Also provides a default
* implementation so that concrete decorators don't have to
* re-implement it. Subclasses (<i>ConcreteDecorator</i>s) can just
* call <code>super(..)</code> and don't have
* to deal with setting the variable themselves.
*
* @param output the <i>Component</i> to decorate.
*/
public OutputDecorator(Output output) {
this.outputComponent = output;
}
}