Aufgabe11_GrafChat/src/ChatProgramm/model/Transmitter.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package ChatProgramm.model;

import ChatProgramm.view.ChatView;
import ChatProgramm.view.GrafikView;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Flow;
import java.util.concurrent.Flow.Subscriber;
import java.util.concurrent.SubmissionPublisher;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author ahren
 */
public abstract class Transmitter implements Runnable, Subscriber<Figur>, TransmitterInterface {

    static final int timeout = 60000;
    private static final int PORT = 35000;

    private static Logger lg = Logger.getLogger("netz");

    protected Socket socket;
    protected ObjectInputStream reader;
    protected ObjectOutputStream writer;
    
    private Figur figur;
    private SubmissionPublisher<Figur> figurPublisher;
    private ExecutorService eService;
    private String receivedString;
    private ChatView view;
    private GrafikModel model;
    private ReceiveAdapter receiveAdapter;
    
    public Transmitter(ChatView view, GrafikModel model, GrafikView gView)
    {
      socket = new Socket();
      eService = null;
      receiveAdapter = new ReceiveAdapter(view, model, gView);
      figurPublisher = new SubmissionPublisher<>();
      this.view = view;
      addWertSubscription(receiveAdapter);
      figur = new Figur();
    }
    
     public void addWertSubscription(Subscriber<Figur> subscriber)
    {
      figurPublisher.subscribe(subscriber);
    }

    public abstract void connect() throws IOException;

    public void initIO() {
      try {
        lg.info("Initialisiere reader und writer");
        InputStream is = socket.getInputStream();
        OutputStream os = socket.getOutputStream();

        writer = new ObjectOutputStream(os);
        writer.flush();
        reader = new ObjectInputStream(is);
        
        lg.info("Reader / Writer Initialisierung abgeschlossen");
        startempfangen();

      } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
      } catch (IOException ex) {
        Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
      }
    }
    
  /**
   *
   * @param figur
   * @throws IOException
   */
  @Override
    public void send(Figur figur){
      try
      {
        writer.writeObject(figur);
        writer.flush();
      }
      catch (IOException ex)
      {
        Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
      }
        lg.info("Nachricht gesendet");
        figurPublisher.submit(figur);
    }
    public Figur receive(){
        
        Object receivedObject;
        try {
            receivedObject = reader.readObject();
            
              if (receivedObject instanceof Figur) {
                  lg.info("Figur erhalten");
                  figur = (Figur) receivedObject;
            }
        } catch (IOException ex) {
            Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
        }


      return figur;
    }
    

    
    @Override
    public void run() {
      while (true) {
        lg.info("Warte auf Nachricht");
        figur = receive();
          if(!figur.getPunkte().isEmpty()){
              figurPublisher.submit(figur);
          }
      }
    }


    @Override
    public void onSubscribe(Flow.Subscription subscription) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onNext(Figur item) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onError(Throwable throwable) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onComplete() {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

  private void startempfangen()
  {
    synchronized (this){
    }
    if (eService == null){
        eService = Executors.newSingleThreadExecutor();
        eService.execute(this);
    }
    lg.info("Starte Chat");
  }
}