EDIT

import java.util.ArrayList;

import java.util.List;

import java.util.UUID;

import org.apache.commons.lang.StringUtils;

import eu.etaxonomy.cdm.api.service.ITermService;

import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;

import eu.etaxonomy.cdm.model.term.DefinedTermBase;

import eu.etaxonomy.cdm.persistence.dto.TermDto;

import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;

import eu.etaxonomy.taxeditor.preference.GeneralTermPreference;

import eu.etaxonomy.taxeditor.preference.LocalOrDefaultEnum;

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

import eu.etaxonomy.taxeditor.store.CdmStore;

		GeneralTermPreference {

    /**

    * <p>Constructor for SpecimenTypeDesignationStatusMenuPreferences.</p>

    */

   public SpecimenTypeDesignationStatusMenuPreferences() {

       super();

       setLocalPref(true);

       setPredicate(PreferencePredicate.SpecimenTypeDesignationStatus);

       type = TermType.SpecimenTypeDesignationStatus;

   }

   /**

    * {@inheritDoc}

    */

   @Override

   protected List<TermVocabularyDto> getVocabulariesFromPreference() {

       // TODO Auto-generated method stub

       return null;

   }

   @Override

   public boolean performOk() {

       if (!isApply()){

           return true;

       }

       Object[] checkedElements = treeComposite.getViewer().getCheckedElements();

       List<UUID> listUIIDChecked = new ArrayList<>();

       List<DefinedTermBase> preferredTerms = new ArrayList<>();

       for (Object o : checkedElements) {

           if(o instanceof TermDto){

               TermDto termDto = (TermDto) o;

               listUIIDChecked.add(termDto.getUuid());

               preferredTerms.add(CdmStore.getService(ITermService.class).load(termDto.getUuid()));

           }

       }

       String saveCheckedElements = StringUtils.join(listUIIDChecked, ";"); //$NON-NLS-1$

       PreferencesUtil.setStringValue(PreferencePredicate.SpecimenTypeDesignationStatus.getKey(), saveCheckedElements);

       String text = this.useLocalOrAdmin.getText();

       if (text.equals(LocalOrDefaultEnum.Database.getLabel()) || text.equals(LocalOrDefaultEnum.Default.getLabel())){

           PreferencesUtil.setBooleanValue(PreferencesUtil.createOverridePreferenceString(PreferencePredicate.SpecimenTypeDesignationStatus.getKey()), false);

       }else if (text.equals(LocalOrDefaultEnum.Local.getLabel())){

           PreferencesUtil.setBooleanValue(PreferencesUtil.createOverridePreferenceString(PreferencePredicate.SpecimenTypeDesignationStatus.getKey()), true);

       }

       CdmStore.getTermManager().setPreferredTermsByType(preferredTerms, TermType.SpecimenTypeDesignationStatus);

       PreferencesUtil.firePreferencesChanged(this.getClass());

       return true;

   }