package ca.ubc.cs.spl.aspectPatterns.examples.adapter.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):
*/
/**
* Represents an <i>Object Adapter</i>. Implements the <i>Target</i> interface
* and stores a private variable of type <i>Adaptee</i> (here: <code>
* SystemOutWriter</code>) to which it forwards appropriate method calls. <p>
*
* It is not possible to use a class adapter in Java as it requires multiple
* inheritance.
*
* @author Jan Hannemann
* @author Gregor Kiczales
* @version 1.1, 01/26/04
*
* @see Writer
* @see SystemOutPrinter
*/
public class PrinterAdapter implements Writer {
/**
* the adaptee to forward appropriate messages to.
*/
private SystemOutPrinter adaptee = null;
/**
* Creates a new Adapter for a given Adaptee.
*
* @param screen the screen to adapt
*/
public PrinterAdapter(SystemOutPrinter adaptee) {
this.adaptee = adaptee;
}
/**
* Implements the <i>Target</i> interface. This is where the actual
* adaption happens: calls to write(String) trigger calls
* to printToSystemOut(String) on the adaptee.
*
* @param s the string to print
* @see Writer#write(String)
* @see SystemOutPrinter#printToSystemOut(String)
*/
public void write(String s) {
adaptee.printToSystemOut(s);
}
}