code: public static String getControllerName() {
  		Map<String, Object> sessionMap = FacesContext.getCurrentInstance().getExternalContext().getSessionMap();
  		if (sessionMap.containsKey(DART_CONTROLLER_NAME)) {
  			return (String) sessionMap.get(DART_CONTROLLER_NAME);
  		}
  		return null;
  	}
docs: @return Yields the name of the Dart controller name as defined in the dart file (@NGController's publishAs attribute).