protected String[] getAuthenticationDialog(final String realm, final String tracker) {
    final Display display = SWTThread.getInstance().getDisplay();

    if (display.isDisposed()) {

      return (null);
    }

    final AESemaphore sem = new AESemaphore("SWTAuth");

    final authDialog[] dialog = new authDialog[1];

    TOTorrent torrent = TorrentUtils.getTLSTorrent();

    final String torrent_name;

    if (torrent == null) {

      torrent_name = null;

    } else {

      torrent_name = TorrentUtils.getLocalisedName(torrent);
    }

    try {
      display.asyncExec(
          new AERunnable() {
            public void runSupport() {
              dialog[0] = new authDialog(sem, display, realm, tracker, torrent_name);
            }
          });
    } catch (Throwable e) {

      Debug.printStackTrace(e);

      return (null);
    }
    sem.reserve();

    String user = dialog[0].getUsername();
    String pw = dialog[0].getPassword();
    String persist = dialog[0].savePassword() ? "true" : "false";

    if (user == null) {

      return (null);
    }

    return (new String[] {user, pw == null ? "" : pw, persist});
  }
  protected void setIgnoreList() {
    try {
      ignore_set = TorrentUtils.getIgnoreSet();

    } catch (NoClassDefFoundError e) {

      return;
    }
  }
  protected String[] getAuthenticationDialog(final String realm, final String location) {
    final Display display = SWTThread.getInstance().getDisplay();

    if (display.isDisposed()) {

      return (null);
    }

    final AESemaphore sem = new AESemaphore("SWTAuth");

    final authDialog[] dialog = new authDialog[1];

    TOTorrent torrent = TorrentUtils.getTLSTorrent();

    final boolean is_tracker;
    final String details;

    if (torrent == null) {

      is_tracker = false;

      details = TorrentUtils.getTLSDescription();

    } else {

      details = TorrentUtils.getLocalisedName(torrent);
      is_tracker = true;
    }

    try {
      if (display.getThread() == Thread.currentThread()) {

        dialog[0] = new authDialog(sem, display, realm, is_tracker, location, details);

        while (!(display.isDisposed() || sem.isReleasedForever())) {

          if (!display.readAndDispatch()) {

            display.sleep();
          }
        }

        if (display.isDisposed()) {

          return (null);
        }
      } else {

        display.asyncExec(
            new AERunnable() {
              public void runSupport() {
                dialog[0] = new authDialog(sem, display, realm, is_tracker, location, details);
              }
            });
      }
    } catch (Throwable e) {

      Debug.printStackTrace(e);

      return (null);
    }

    sem.reserve();

    String user = dialog[0].getUsername();
    String pw = dialog[0].getPassword();
    String persist = dialog[0].savePassword() ? "true" : "false";

    if (user == null) {

      return (null);
    }

    return (new String[] {user, pw == null ? "" : pw, persist});
  }