code: private String loadFrameTitle() {
  		try {
  			return messageSource == null ? null : messageSource.getMessage(
  					SPLASH_TITLE_KEY, null, null);
  		} catch (NoSuchMessageException e) {
  			return null;
  		}
  	}
docs: Loads the message under the key {@value #SPLASH_TITLE_KEY} if a
  {@link MessageSource} has been set on this instance.
  
  @return The message resource stored under the key
  {@value #SPLASH_TITLE_KEY}, or null if no message source has been
  set.