RSS feed
[root]
/
document
/
software design
/
Design pattern example in aspect programming
/
examples
/
java
/
chainOfResponsibility
login:
password:
title search:
Search this site
Enter your search terms
Web
www.carfield.com.hk
Submit search form
Prev
Next
Wed Mar 24 16:00:00 GMT 2004
Button
package examples.chainOfResponsibility.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.patterns. * * Contributor(s): */ import javax.swing.*; import java.awt.event.*; /** * GUI element at the start of the responsibility chain. A click on the * button starts a request. The <code>Button</code> will not handle the * request, but pass it on to its successor. * * @author Jan Hannemann * @author Gregor Kiczales * @version 1.0, 05/13/02 * */ public class Button extends JButton implements Handler { /** * the successor in the chain of responsibility */ protected Handler successor; /** * Creates a <code>Button</code> with a given label and successor. * * @param s The button label * @param successor The successor in the chain of responsibility */ public Button(String s, Handler successor) { super(s); this.successor = successor; this.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println("\nStarting new request..."); handleRequest(); } }); } /** * Implements the method to handle requests as defined by the * <code>Handler</code> interface. The request is not handled here. * * @see Handler */ public void handleRequest() { System.out.println("Request received by: Button (unhandled: forwarded)"); successor.handleRequest(); } }
(google search)
(amazon search)
1
2
3
second
download zip of files only
Prev
Next