weblogic websocket示例代码

/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2011-2013 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * http://glassfish.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package org.glassfish.tyrus.sample.auction; import java.util.Timer; import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.atomic.AtomicInteger; import java.util.logging.Level; import java.util.logging.Logger; import javax.websocket.Session; import org.glassfish.tyrus.sample.auction.message.AuctionMessage; /** * Implements the auction protocol. * * @author Stepan Kopriva (stepan.kopriva at oracle.com) */ public class Auction { /* * Current state of the auction */ private AuctionState state; /* * ID of the auction used for communication */ private final String id; /* * Assigns id to newly created Auction object */ private static final AtomicInteger idCounter = new AtomicInteger(0); /* * Auction Item */ private final AuctionItem item; /* * List of remote clients (Peers) */ private final CopyOnWriteArrayList<Session> arcList = new CopyOnWriteArrayList<Session>(); /* * Timer that sends pre-auction time broadcasts */ private Timer auctionRunningTimer; /* * Value of the highest bid */ private double bestBid; private String bestBidderName; public enum AuctionState { PRE_AUCTION, AUCTION_RUNNING, AUCTION_FINISHED } public Auction(AuctionItem item) { this.item = item; this.state = AuctionState.PRE_AUCTION; this.id = Integer.toString(Auction.idCounter.getAndIncrement()); bestBid = item.getPrice(); } synchronized void addArc(Session arc) { arcList.add(arc); } public synchronized void removeArc(Session arc) { arcList.remove(arc); } /* * New user logs into the auction. */ public void handleLoginRequest(AuctionMessage messsage, Session arc) { arc.getUserProperties().put("name", messsage.getData()); synchronized (id) { if (state != AuctionState.AUCTION_FINISHED) { if (!getRemoteClients().contains(arc)) { this.addArc(arc); } try { item.setPrice(bestBid); arc.getBasicRemote().sendObject( new AuctionMessage.LoginResponseMessage(id, item)); } catch (Exception e) { Logger.getLogger(Auction.class.getName()).log(Level.SEVERE, null, e); } if (state == AuctionState.PRE_AUCTION) { startAuctionTimeBroadcast(); } } else { try { arc.getBasicRemote().sendObject( new AuctionMessage.LoginResponseMessage(id, item)); if (bestBidderName != null) { if (bestBidderName.equals(messsage.getData())) { arc.getBasicRemote().sendObject( new AuctionMessage.ResultMessage(id, String.format( "Congratulations, You won the auction and will pay %.0f.", bestBid))); } else { arc.getBasicRemote().sendObject( new AuctionMessage.ResultMessage(id, String.format( "You did not win the auction. The item was sold for %.0f.", bestBid))); } } else { arc.getBasicRemote().sendObject( new AuctionMessage.ResultMessage(id, "No one bid for the item, it was not been sold!")); } } catch (Exception e) { Logger.getLogger(Auction.class.getName()).log(Level.SEVERE, null, e); } } } } public void handleBidRequest(AuctionMessage message, Session arc) { synchronized (id) { if (state == AuctionState.AUCTION_RUNNING) { Double bid = Double.parseDouble((String) message.getData()); if (bid > bestBid) { bestBid = bid; bestBidderName = (String) arc.getUserProperties().get("name"); sendPriceUpdateMessage(); stopAuctionTimeBroadcast(); startAuctionTimeBroadcast(); } } } } private void sendPriceUpdateMessage() { AuctionMessage.PriceUpdateResponseMessage purm = new AuctionMessage.PriceUpdateResponseMessage(id, "" + bestBid); for (Session arc : getRemoteClients()) { try { arc.getBasicRemote().sendObject(purm); } catch (Exception e) { Logger.getLogger(Auction.class.getName()).log(Level.SEVERE, null, e); } } } public void switchStateToAuctionFinished() { synchronized (id) { state = AuctionState.AUCTION_FINISHED; } stopAuctionTimeBroadcast(); sendAuctionResults(); } private void sendAuctionResults() { Session bestBidder = null; if (bestBidderName != null) { for (Session session : getRemoteClients()) { if (session.getUserProperties().get("name").equals(bestBidderName)) { bestBidder = session; } } } if (bestBidder != null) { AuctionMessage.ResultMessage winnerMessage = new AuctionMessage.ResultMessage(id, String.format( "Congratulations, You won the auction and will pay %.0f.", bestBid)); try { bestBidder.getBasicRemote().sendObject(winnerMessage); } catch (Exception e) { Logger.getLogger(Auction.class.getName()).log(Level.SEVERE, null, e); } AuctionMessage.ResultMessage loserMessage = new AuctionMessage.ResultMessage(id, String.format( "You did not win the auction. The item was sold for %.0f.", bestBid)); for (Session arc : getRemoteClients()) { if (arc != bestBidder) { try { arc.getBasicRemote().sendObject(loserMessage); } catch (Exception e) { Logger.getLogger(Auction.class.getName()).log(Level.SEVERE, null, e); } } } } else { AuctionMessage.ResultMessage notBeenSoldMessage = new AuctionM