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