Android Open Source - RealtimeMessaging-Android Web Socket Receiver

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Back to project page RealtimeMessaging-Android.

License

The source code is released under:

MIT License

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Java Source Code

/*
 *  Copyright (C) 2011 Roderick Baier//from   w  w  w  .j a v  a 2  s.  c  om
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License. 
 */

/*
 * 09/02/2011 - Emory Myers -   printing stacktrace on IO exception
 */

package ibt.ortc.plugins.websocket;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

public class WebSocketReceiver
    extends Thread
{
  private InputStream input = null;
  private WebSocketConnection websocket = null;
  private WebSocketEventHandler eventHandler = null;

  private volatile boolean stop = false;

  public WebSocketReceiver(InputStream input, WebSocketConnection websocket)
  {
    this.input = input;
    this.websocket = websocket;
    this.eventHandler = websocket.getEventHandler();
  }

  public void run()
  {
    boolean frameStart = false;
    List<Byte> messageBytes = new ArrayList<Byte>();

    while (!stop) {
      try {
        int b = input.read();
        if (b == 0x00) {
          frameStart = true;
        }
        else if (b == 0xff && frameStart == true) {
          frameStart = false;
          Byte[] message = messageBytes.toArray(new Byte[messageBytes.size()]);
          if(eventHandler != null && message != null){
            eventHandler.onMessage(new WebSocketMessage(message));
          }
          messageBytes.clear();
        }
        else if (frameStart == true){
          messageBytes.add((byte)b);
        }
        else if (b == -1) {
          handleError();
        }
      }
      catch (IOException ioe) {
        handleError();
      }
    }
  }
  
  
  public void stopit()
  {
    stop = true;
  }
  
  
  public boolean isRunning()
  {
    return !stop;
  }
  
  
  private void handleError()
  {
    stopit();
    websocket.handleReceiverError();
  }
}

Java Source Code List