code: private void handleFilterRequest(final Request request) {
  		String[] paramValues = request.getParameterValues(getId() + ".filters");
  
  		if (paramValues == null) {
  			setActiveFilters(new ArrayList<String>(0));
  		} else {
  			List<String> filters = Arrays.asList(paramValues);
  			setActiveFilters(filters);
  		}
  	}
docs: Handles a request containing filtering data.
  
  @param request the request containing filtering data.