1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.incubator.http.internal.websocket;
  25 
  26 import java.util.Queue;
  27 import java.util.concurrent.CompletionStage;
  28 import java.util.concurrent.ConcurrentLinkedQueue;
  29 import java.util.function.Consumer;
  30 
  31 public abstract class MockTransmitter extends Transmitter {
  32 
  33     private final long startTime = System.currentTimeMillis();
  34 
  35     private final Queue<OutgoingMessage> messages = new ConcurrentLinkedQueue<>();
  36 
  37     public MockTransmitter() {
  38         super(null);
  39     }
  40 
  41     @Override
  42     public void send(OutgoingMessage message,
  43                      Consumer<Exception> completionHandler) {
  44         System.out.printf("[%6s ms.] begin send(%s)%n",
  45                           System.currentTimeMillis() - startTime,
  46                           message);
  47         messages.add(message);
  48         whenSent().whenComplete((r, e) -> {
  49             System.out.printf("[%6s ms.] complete send(%s)%n",
  50                               System.currentTimeMillis() - startTime,
  51                               message);
  52             if (e != null) {
  53                 completionHandler.accept((Exception) e);
  54             } else {
  55                 completionHandler.accept(null);
  56             }
  57         });
  58         System.out.printf("[%6s ms.] end send(%s)%n",
  59                           System.currentTimeMillis() - startTime,
  60                           message);
  61     }
  62 
  63     @Override
  64     public void close() { }
  65 
  66     protected abstract CompletionStage<?> whenSent();
  67 
  68     public Queue<OutgoingMessage> queue() {
  69         return messages;
  70     }
  71 }