EDIT

package eu.etaxonomy.cdm.io.xper;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

			String vocLabel = "Vocabulary for feature " + feature.getLabel();

			String vocDescription = vocLabel + ". Automatically created by Xper.";

			String vocAbbrev = null;

			voc = TermVocabulary.NewInstance(vocDescription, vocLabel, vocAbbrev, termSourceUri);

		}else if (numberOfVocs == 1){

			voc = feature.getSupportedCategoricalEnumerations().iterator().next();

		String vocDescription = null;

		String vocLabel = "Vocabulary for feature " + label;

		String vocAbbrev = null;

		TermVocabulary<State> voc = TermVocabulary.NewInstance(vocDescription, vocLabel, vocAbbrev, termSourceUri);

		for (Mode mode:variable.getModes()){

			saveNewModeToVoc(getTermService(), voc, mode);