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Wed Mar 24 16:00:00 GMT 2004
OutputDecorator
package 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.pattern. * * Contributor(s): */ /** * Defines the <i>Decorator</i> interface. This is 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 1.0, 06/13/02 */ public abstract class OutputDecorator implements Output { /** * the <code>Output</code> to decorate */ protected Output output; /** * Prints the argument string to <code>System.out</code>. This method is * overwritten by concrete decorators. The default implementation * * @param s the string to be printed. */ public void print(String s) { output.print(s); } /** * Defines the constructor signature. Also provides a default * implementation so that concrete decorators don't have to * re-implement can just call <code>super(..)</code> and don't have * to deal with setting the variable themselves. * * @param output the component to decorate. */ public OutputDecorator(Output output) { this.output = output; } }
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