chat_prog/src/netz/model/ServerRunnable.java

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package netz.model;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;
import ohmlogger.OhmLogger;

/**
 *
 * @author chris
 */
public class ServerRunnable implements Runnable
{
  private static Logger lg = OhmLogger.getLogger();
  private ServerSocket sSocket; 
  private Socket s;
  private ExecutorService eService;
  
  ServerRunnable(ServerSocket sSocket) throws IOException
  {
    this.sSocket = sSocket;
    
    eService = Executors.newSingleThreadExecutor();
    lg.info("Server: Warte auf Verbindung ...");
    this.start();
  
  }
  
  public synchronized void start()
  {
    eService.submit(this);
    this.notifyAll();
    lg.info("Thread startet");
  }
  @Override
  public void run()
  {
    try
    {
      s = sSocket.accept(); // Achtung: blockiert!
      lg.info("Server: Verbindung akzeptiert");
      InputStream iStream = s.getInputStream();
      OutputStream oStream = s.getOutputStream();

      InputStreamReader isr = new InputStreamReader(iStream, "UTF-8");
      OutputStreamWriter osr = new OutputStreamWriter(oStream, "UTF-8");

      BufferedReader in = new BufferedReader(isr);
      //BufferedWriter out = new BufferedWriter(osr);
      PrintWriter out = new PrintWriter(osr);

      lg.info("Server: Stream initialisiert");
      lg.info("Server: warte auf Nachricht ...");

      String nachricht = in.readLine(); // Achtung blockiert
      lg.info("Server: Nachricht empfangen");

      System.out.println("Server: NACHRICHT EMPFANGEN - " + nachricht);

      out.println("Server -> ich habe die Nachricht erhalten");
      lg.info("Server: Quittung versendet");

      out.flush(); // wirklich absenden!!

      out.close();
      in.close();
    }
    catch (IOException ex)
    {
      Logger.getLogger(ServerRunnable.class.getName()).log(Level.SEVERE, null, ex);
    }
    
  }
}