code: private Optional<ResourceBundle> getResourceBundle(final String name) {
  		try {
  			LOGGER.debug("Resource bundle: " + name);
  			return Optional.of(getBundle(name,
  				new ResourceBundleControl(getResourceBundleCharset())));
  		} catch (final MissingResourceException ex) {
  			LOGGER.debug("No resource bundle could be determined: " + ex.getMessage());
  			return Optional.empty();
  		}
  	}
docs: Returns a resource bundle if available
  
  @param name
  the name of the resource bundle.
  @return the resource bundle