EDIT

	private static DescriptionBuilder<QuantitativeData> quantitativeDescriptionBuilder = new DefaultQuantitativeDescriptionBuilder();

	private static DescriptionBuilder<CategoricalData> categoricalDescriptionBuilder = new DefaultCategoricalDescriptionBuilder();

	/**

	 * @return a {@link java.lang.String} object.

	 */

	public static String getLabel(Object element){

		if (element instanceof FeatureNodeContainer){

			return getFeatureNodeContainerText((FeatureNodeContainer) element);

		}

		else if(element instanceof CategoricalData){

			String categoricalDataText = getCategoricalDataText((CategoricalData) element);

			if(categoricalDataText==null || categoricalDataText.isEmpty()){

			}

            return categoricalDataText;

		}

		else if (element instanceof QuantitativeData) {

			String quantitativeDataText = getQuantitativeDataText((QuantitativeData) element);

			if(quantitativeDataText==null || quantitativeDataText.isEmpty()){

			}

            return quantitativeDataText;

		}