docs: public SimpleFeatureSource getFeatureSource() throws LayerException {
  		try {
  			if (dataStore instanceof WFSDataStore) {
  				return dataStore.getFeatureSource(featureSourceName.replace(":", "_"));
  			} else {
  				return dataStore.getFeatureSource(featureSourceName);
  			}
  		} catch (IOException e) {
  			throw new LayerException(e, ExceptionCode.FEATURE_MODEL_PROBLEM,
  					"Cannot find feature source " + featureSourceName);
  		} catch (NullPointerException e) {
  			throw new LayerException(e, ExceptionCode.FEATURE_MODEL_PROBLEM,
  					"Cannot find feature source " + featureSourceName);
  		}
  	}