public String getCliboarContent() {
    String ret = "";
    ClipboardRespons respons = null;
    try {
      do {
        respons = read();
        if (!respons.isValid()) {
          Logger.log("Try again read from clipboard locked");
          Thread.sleep(10);
        } else {
          ret = respons.getContent();
          // Logger.log("Content " + ret);
        }

      } while (!respons.isValid());
    } catch (InterruptedException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    return ret;
  }