private VirtualMachine connect(String bndlPrefix, AttachingConnector connector, Map args)
      throws DebuggerException {
    if (bndlPrefix != null) {
      if (connector.transport().name().equals("dt_shmem")) {
        Argument a = (Argument) args.get("name");
        if (a == null) println(bundle.getString(bndlPrefix + "_shmem_noargs"), ERR_OUT);
        else
          println(
              new MessageFormat(bundle.getString(bndlPrefix + "_shmem"))
                  .format(new Object[] {a.value()}),
              ERR_OUT);
      } else if (connector.transport().name().equals("dt_socket")) {
        Argument name = (Argument) args.get("hostname");
        Argument port = (Argument) args.get("port");
        if ((name == null) || (port == null))
          println(bundle.getString(bndlPrefix + "_socket_noargs"), ERR_OUT);
        else
          println(
              new MessageFormat(bundle.getString(bndlPrefix + "_socket"))
                  .format(new Object[] {name.value(), port.value()}),
              ERR_OUT);
      } else println(bundle.getString(bndlPrefix), ERR_OUT);
    }

    // launch VM
    try { // S ystem.out.println ("attach to:" + ac + " : " + password); // NOI18N
      return connector.attach(args);
    } catch (Exception e) {
      finishDebugger();
      throw new DebuggerException(
          new MessageFormat(bundle.getString("EXC_While_connecting_to_debuggee"))
              .format(new Object[] {e.toString()}),
          e);
    }
  }
    private void refresh(int index) {
      GridBagConstraints c = new GridBagConstraints();

      // No connector ................
      if (acs.size() == 0) {
        add(new JLabel(bundle.getString("CTL_No_Connector")), c);
        return;
      }

      // Connector switch ................
      if (acs.size() > 1) {
        c.insets = new Insets(0, 0, 3, 3);
        add(new JLabel(bundle.getString("CTL_Connector")), c);

        cbConnectors = new JComboBox();
        int i, k = acs.size();
        for (i = 0; i < k; i++) {
          AttachingConnector ac = (AttachingConnector) acs.get(i);
          int jj = ac.name().lastIndexOf('.');
          String s = (jj < 0) ? ac.name() : ac.name().substring(jj + 1);
          cbConnectors.addItem(s + " (" + ac.description() + ")");
        }
        c = new GridBagConstraints();
        c.insets = new Insets(0, 3, 3, 0);
        c.weightx = 1.0;
        c.fill = java.awt.GridBagConstraints.HORIZONTAL;
        c.gridwidth = 0;
        cbConnectors.setSelectedIndex(index);
        cbConnectors.setActionCommand("SwitchMe!");
        cbConnectors.addActionListener(this);
        add(cbConnectors, c);
      }

      ac = (AttachingConnector) acs.get(index);

      // Transport ................
      c = new GridBagConstraints();
      c.insets = new Insets(3, 0, 0, 3);
      add(new JLabel(bundle.getString("CTL_Transport")), c);

      JTextField tfTransport = new JTextField(ac.transport().name());
      tfTransport.setEnabled(false);
      c = new GridBagConstraints();
      c.gridwidth = 0;
      c.insets = new Insets(3, 3, 0, 0);
      c.fill = java.awt.GridBagConstraints.HORIZONTAL;
      c.weightx = 1.0;
      add(tfTransport, c);

      // Other params ................
      args = ac.defaultArguments();
      tfParams = new JTextField[args.size()];
      Iterator it = args.keySet().iterator();
      int i = 0;
      while (it.hasNext()) {
        String name = (String) it.next();
        Argument a = (Argument) args.get(name);

        c = new GridBagConstraints();
        c.insets = new Insets(6, 0, 0, 3);
        c.anchor = GridBagConstraints.WEST;
        add(new JLabel(a.label() + ": "), c);

        JTextField tfParam = new JTextField(a.value());
        tfParams[i++] = tfParam;
        tfParam.setName(name);
        c = new GridBagConstraints();
        c.gridwidth = 0;
        c.insets = new Insets(6, 3, 0, 0);
        c.fill = java.awt.GridBagConstraints.HORIZONTAL;
        c.weightx = 1.0;
        add(tfParam, c);
      }

      c = new GridBagConstraints();
      c.weighty = 1.0;
      JPanel p = new JPanel();
      p.setPreferredSize(new Dimension(1, 1));
      add(p, c);
    }