public void setTitleToListen() {
   try {
     String serverString = serverSocket.getInetAddress().getLocalHost().toString();
     String serverIP = serverString.split("/")[1];
     editor.setTitle("Listening on: " + serverIP + ":" + serverport);
   } catch (UnknownHostException e) {
     e.printStackTrace();
   }
 }
        public void actionPerformed(ActionEvent e) {
          saveOld();
          area1.setText("");
          resetArea2();
          try {
            clientSocket = new Socket(ipaddress.getText(), Integer.parseInt(portNumber.getText()));
            Random r = new Random();
            serverport = 10000 + r.nextInt(8999); // random port :D

            serverSocket = new ServerSocket(serverport);
            active = true;
            editor.setTitleToListen();

            connected = true;

            ObjectOutputStream output = new ObjectOutputStream(clientSocket.getOutputStream());
            ObjectInputStream input = new ObjectInputStream(clientSocket.getInputStream());
            output.writeObject(new JoinNetworkRequest(serverport));

            ConnectionData data = getConnectionData(clientSocket, input);

            lc = new LamportClock(data.getId());
            lc.setMaxTime(data.getTs());
            dec = new DocumentEventCapturer(lc, editor);
            er = new EventReplayer(editor, dec, lc);
            ert = new Thread(er);
            ert.start();

            Peer peer =
                new Peer(
                    editor,
                    er,
                    data.getHostId(),
                    clientSocket,
                    output,
                    input,
                    lc,
                    clientSocket.getInetAddress().getHostAddress(),
                    data.getPort());
            dec.addPeer(peer);
            Thread thread = new Thread(peer);
            thread.start();

            er.setAcknowledgements(data.getAcknowledgements());
            er.setEventHistory(data.getEventHistory());
            er.setCarets(data.getCarets());

            er.addCaretPos(lc.getID(), 0);

            for (PeerWrapper p : data.getPeers()) {
              Socket socket;
              try {
                socket = connectToPeer(p.getIP(), p.getPort());
                ObjectOutputStream outputStream = new ObjectOutputStream(socket.getOutputStream());
                ObjectInputStream inputStream = new ObjectInputStream(socket.getInputStream());
                outputStream.writeObject(
                    new NewPeerDataRequest(lc.getID(), serverSocket.getLocalPort(), 0));
                Peer newPeer =
                    new Peer(
                        editor,
                        er,
                        p.getId(),
                        socket,
                        outputStream,
                        inputStream,
                        lc,
                        p.getIP(),
                        p.getPort());
                dec.addPeer(newPeer);
                Thread t = new Thread(newPeer);
                t.start();
              } catch (IOException ex) {
                continue;
              }
            }

            Thread t1 =
                new Thread(
                    new Runnable() {

                      @Override
                      public void run() {
                        waitForConnection();
                      }
                    });
            t1.start();
            area1.setText(data.getTextField());
            area1.setCaretPosition(0);
            setDocumentFilter(dec);

            dec.sendObjectToAllPeers(new UnlockRequest(lc.getTimeStamp()));

            changed = false;
            Connect.setEnabled(false);
            Disconnect.setEnabled(true);
            Listen.setEnabled(false);
            Save.setEnabled(false);
            SaveAs.setEnabled(false);
          } catch (NumberFormatException | IOException e1) {
            setTitle("Unable to connect");
          }
        }