package ca.ubc.cs.spl.aspectPatterns.examples.templateMethod.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 interface for generating decorated strings. * In this example, it acts as the <i>AbstractClass</i>. * * The template method is <code>generate(String)</code>, * which uses all other methods defined in this abstract class. * * @author Jan Hannemann * @author Gregor Kiczales * @version 1.1, 02/17/04 */ public abstract class DecoratedStringGenerator { /** * Decorates a string. This is the <i>TemplateMethod()</i>. * * @param s the string to decorate * @return the decorated string */ public String generate(String s) { s = prepare(s); s = filter(s); s = finalize(s); return s; } /** * Prepares a string for decoration. * * @param s the string to filter * @return the prepared string */ public abstract String prepare (String s); /** * Filters a string. * * @param s the string to filter * @return the filtered string */ public abstract String filter (String s); /** * Finalizes a string. This is the last step in the template method. * * @param s the string to finalize * @return the finalized string */ public abstract String finalize (String s); }