1.1 --- a/chat/server/src/main/java/org/apidesign/bck2brwsr/demo/chatserver/impl/ChatServerResource.java	Thu Aug 14 07:51:33 2014 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,103 +0,0 @@
     1.4 -/**
     1.5 - * The MIT License (MIT)
     1.6 - *
     1.7 - * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.8 - *
     1.9 - * Permission is hereby granted, free of charge, to any person obtaining a copy
    1.10 - * of this software and associated documentation files (the "Software"), to deal
    1.11 - * in the Software without restriction, including without limitation the rights
    1.12 - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    1.13 - * copies of the Software, and to permit persons to whom the Software is
    1.14 - * furnished to do so, subject to the following conditions:
    1.15 - *
    1.16 - * The above copyright notice and this permission notice shall be included in
    1.17 - * all copies or substantial portions of the Software.
    1.18 - *
    1.19 - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    1.20 - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    1.21 - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    1.22 - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    1.23 - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    1.24 - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    1.25 - * THE SOFTWARE.
    1.26 - */
    1.27 -package org.apidesign.bck2brwsr.demo.chatserver.impl;
    1.28 -
    1.29 -import java.util.ArrayList;
    1.30 -import java.util.IdentityHashMap;
    1.31 -import java.util.List;
    1.32 -import java.util.Map;
    1.33 -import java.util.logging.Logger;
    1.34 -import javax.inject.Singleton;
    1.35 -import javax.ws.rs.Consumes;
    1.36 -import javax.ws.rs.DefaultValue;
    1.37 -import javax.ws.rs.GET;
    1.38 -import javax.ws.rs.POST;
    1.39 -import javax.ws.rs.Path;
    1.40 -import javax.ws.rs.Produces;
    1.41 -import javax.ws.rs.QueryParam;
    1.42 -import javax.ws.rs.container.AsyncResponse;
    1.43 -import javax.ws.rs.container.Suspended;
    1.44 -import javax.ws.rs.core.MediaType;
    1.45 -import org.apidesign.html.chatserver.model.Message;
    1.46 -import org.apidesign.html.chatserver.model.Query;
    1.47 -
    1.48 -/** Server side of the chat application.*/
    1.49 -@Path("/chat/") @Singleton
    1.50 -public final class ChatServerResource {
    1.51 -    private static final Logger LOG = Logger.getLogger(ChatServerResource.class.getName());
    1.52 -    private static final long started = System.currentTimeMillis() - 10;
    1.53 -    
    1.54 -    private List<Message> msgs = new ArrayList<>();
    1.55 -    {
    1.56 -        Message welcome = new Message();
    1.57 -        welcome.setUser("system");
    1.58 -        welcome.setComment("Welcome and enjoy!");
    1.59 -        welcome.setSince(10);
    1.60 -        msgs.add(welcome);
    1.61 -    }
    1.62 -    
    1.63 -    private final Map<AsyncResponse, Long> awaiting = new IdentityHashMap<>();
    1.64 -    
    1.65 -    @Produces(MediaType.APPLICATION_JSON)
    1.66 -    @GET public synchronized void getResources(
    1.67 -        @QueryParam("since") @DefaultValue("0") long since,
    1.68 -        @Suspended AsyncResponse ar
    1.69 -    ) {
    1.70 -        Query q = new Query();
    1.71 -        for (Message m : msgs) {
    1.72 -            if (m.getSince()>= since) {
    1.73 -                q.getMessages().add(m);
    1.74 -            }
    1.75 -        }
    1.76 -        if (!q.getMessages().isEmpty()) {
    1.77 -            ar.resume(q);
    1.78 -        } else {
    1.79 -            awaiting.put(ar, since);
    1.80 -        }
    1.81 -    }
    1.82 -    
    1.83 -    private void handleAwaiting(long newest) {
    1.84 -        assert Thread.holdsLock(this);
    1.85 -        AGAIN: for (;;) {
    1.86 -            for (Map.Entry<AsyncResponse, Long> entry : awaiting.entrySet()) {
    1.87 -                AsyncResponse ar = entry.getKey();
    1.88 -                Long since = entry.getValue();
    1.89 -                if (since <= newest) {
    1.90 -                    awaiting.remove(ar);
    1.91 -                    getResources(since, ar);
    1.92 -                    continue AGAIN;
    1.93 -                }
    1.94 -            }
    1.95 -            return;
    1.96 -        }
    1.97 -    }
    1.98 -    
    1.99 -    @POST @Consumes(value = MediaType.APPLICATION_JSON)
   1.100 -    public synchronized Message publish(Message msg) {
   1.101 -        msg.setSince(System.currentTimeMillis() - started);
   1.102 -        msgs.add(msg);
   1.103 -        handleAwaiting(msg.getSince());
   1.104 -        return msg;
   1.105 -    }
   1.106 -}