code: public static final KeyPressHandler getUpperAsciiKeyPressHandler() { // NOPMD it's thread save!
      if (HandlerFactory.upperAsciiKeyPressHandler == null) {
        synchronized (UpperAsciiKeyPressHandler.class) {
          if (HandlerFactory.upperAsciiKeyPressHandler == null) {
            HandlerFactory.upperAsciiKeyPressHandler = new UpperAsciiKeyPressHandler();
          }
        }
      }
      return HandlerFactory.upperAsciiKeyPressHandler;
    }
docs: get a upper case key press handler.
  
  @return UpperAsciiKeyPressHandler