protected void closingDown(TerminalViewInterface view) {

    Sessions sess = manager.getSessions();

    if (log.isDebugEnabled()) {
      log.debug("number of active sessions is " + sess.getCount());
    }

    if (viewNamesForNextStartBuilder == null) {
      // preserve sessions for next boot
      viewNamesForNextStartBuilder = new StringBuilder();
    }
    while (view.getSessionViewCount() > 0) {
      SessionPanel sesspanel = view.getSessionAt(0);
      viewNamesForNextStartBuilder.append("-s ").append(sesspanel.getSessionName()).append(" ");
      closeSessionInternal(sesspanel);
    }

    sessions.setProperty(
        "emul.frame" + view.getFrameSequence(),
        view.getX() + "," + view.getY() + "," + view.getWidth() + "," + view.getHeight());

    frames.remove(view);
    view.dispose();

    log.debug("number of active sessions we have after shutting down " + sess.getCount());

    log.info("view settings " + viewNamesForNextStartBuilder);
    if (sess.getCount() == 0) {

      sessions.setProperty("emul.width", Integer.toString(view.getWidth()));
      sessions.setProperty("emul.height", Integer.toString(view.getHeight()));
      sessions.setProperty("emul.view", viewNamesForNextStartBuilder.toString());

      // save off the session settings before closing down
      ConfigureFactory.getInstance()
          .saveSettings(
              ConfigureFactory.SESSIONS, ConfigureFactory.SESSIONS, "------ Defaults --------");
      if (controller != null) {
        controller.interrupt();
      }
      System.exit(0);
    }
  }
 protected void closeSessionInternal(SessionPanel sesspanel) {
   TerminalViewInterface f = getParentView(sesspanel);
   if (f == null) {
     return;
   }
   Sessions sessions = manager.getSessions();
   if ((sessions.item(sesspanel.getSession())) != null) {
     f.removeSessionView(sesspanel);
     manager.closeSession(sesspanel);
   }
   if (manager.getSessions().getCount() < 1) {
     closingDown(f);
   }
 }
  protected synchronized SessionPanel newSession(String sel, String[] args) {

    Properties sesProps = new Properties();

    String propFileName = null;
    String session = args[0];

    // Start loading properties
    sesProps.put(TN5250jConstants.SESSION_HOST, session);

    if (isSpecified("-e", args)) sesProps.put(TN5250jConstants.SESSION_TN_ENHANCED, "1");

    if (isSpecified("-p", args)) {
      sesProps.put(TN5250jConstants.SESSION_HOST_PORT, getParm("-p", args));
    }

    if (isSpecified("-f", args)) propFileName = getParm("-f", args);

    //  TODO: remove default codepage behavior and replace it with 870

    if (isSpecified("-cp", args))
      sesProps.put(TN5250jConstants.SESSION_CODE_PAGE, getParm("-cp", args));

    sesProps.put(TN5250jConstants.SESSION_USE_GUI, "1");

    if (isSpecified("-t", args)) sesProps.put(TN5250jConstants.SESSION_TERM_NAME_SYSTEM, "1");

    sesProps.put(TN5250jConstants.SESSION_SCREEN_SIZE, TN5250jConstants.SCREEN_SIZE_24X80_STR);

    //  TODO: are we to use a ssl and if we are what type
    sesProps.put(TN5250jConstants.SSL_TYPE, TN5250jConstants.SSL_TYPE_TLS);

    // check if device name is specified
    if (isSpecified("-dn=hostname", args)) {
      String dnParam;

      // use IP address as device name
      try {
        dnParam = InetAddress.getLocalHost().getHostName();
      } catch (UnknownHostException uhe) {
        dnParam = "UNKNOWN_HOST";
      }

      sesProps.put(TN5250jConstants.SESSION_DEVICE_NAME, dnParam);
    } else if (isSpecified("-dn", args)) {

      sesProps.put(TN5250jConstants.SESSION_DEVICE_NAME, getParm("-dn", args));
    }

    if (isSpecified("-hb", args)) sesProps.put(TN5250jConstants.SESSION_HEART_BEAT, "1");

    int sessionCount = manager.getSessions().getCount();

    // here we open a new 5250 session on the current session manager
    Session5250 s2 = manager.openSession(sesProps, propFileName, sel);
    // ... and a panel containing it
    SessionPanel s = new SessionPanel(s2);

    newView();
    frame.setVisible(true);
    frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));

    if (isSpecified("-t", args)) frame.addSessionView(sel, s);
    else frame.addSessionView(session, s);

    s.connect();

    s.addEmulatorActionListener(this);

    return s;
  }