code: public static final KeyPressHandler getDecimalKeyPressHandler() { // NOPMD it's thread save!
      if (HandlerFactory.decimalKeyPressHandler == null) {
        synchronized (DecimalKeyPressHandler.class) {
          if (HandlerFactory.decimalKeyPressHandler == null) {
            HandlerFactory.decimalKeyPressHandler = new DecimalKeyPressHandler();
          }
        }
      }
      return HandlerFactory.decimalKeyPressHandler;
    }
docs: get a decimal key press handler.
  
  @return DecimalKeyPressHandler