Android Open Source - RealtimeMessaging-Android Web Socket Sender

From Project

Back to project page RealtimeMessaging-Android.

License

The source code is released under:

MIT License

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Java Source Code

package ibt.ortc.plugins.websocket;
/*w  w  w .  java  2 s .c o  m*/
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.Queue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;

public class WebSocketSender {

  private static class Sender implements Runnable {
    private WebSocketConnection connection;
    private PrintStream output;
    
    public Queue<String> q = new LinkedBlockingQueue<String>(); 
        
    public Sender send(String text){
      q.add(text);
      return this;
    }
    
    public Sender(PrintStream output, WebSocketConnection connection) {
      this.connection = connection;
      this.output = output;
    }
    
    public void run() {
      if(q.size() > 0) {
        String text = q.poll();
        try {
          sendAsync(text);
        } catch (WebSocketException e) {
          
        }
      }
    }
    
    private void sendAsync(String data) throws WebSocketException{
      if (!connection.isConnected()) {
        throw new WebSocketException(
            "error while sending text data: not connected");
      }
      
      try {
        output.write(0x00);
        output.write(data.getBytes(("UTF-8")));
        output.write(0xff);
      } catch (UnsupportedEncodingException uee) {
        throw new WebSocketException("error while sending text data: unsupported encoding", uee);
      } catch (IOException ioe) {
        throw new WebSocketException("error while sending text data", ioe);
      }
    }
  }
  
  private Sender sender;
  private ExecutorService exec;
  
  public WebSocketSender(PrintStream output, WebSocketConnection connection)  {
    exec = Executors.newSingleThreadExecutor();
    sender = new Sender(output, connection);
  }  
  
  @Override
  protected void finalize() throws Throwable {    
    super.finalize();
    if(exec != null && !exec.isShutdown() && !exec.isTerminated()){
      exec.shutdown();
    }
  }
  
  public void send(final String data) throws WebSocketException {
    if(exec != null && !exec.isShutdown() && !exec.isTerminated() && sender != null && data != null){
      exec.execute(sender.send(data));
    }
  }
}

Java Source Code List