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/**
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* Copyright (C) 2016 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.model.common;
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import java.util.Comparator;
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import eu.etaxonomy.cdm.common.CdmUtils;
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/**
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* @author k.luther
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* @date 08.06.2016
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*
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*/
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public class TermIdInVocabularyComparator<T extends DefinedTermBase<?>> implements Comparator<T> {
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/* (non-Javadoc)
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* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
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*/
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@Override
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public int compare(T term1, T term2) {
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String label1;
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String label2;
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if (term1 == term2){
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return 0;
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}
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if (term1 == null){
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return 1;
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}
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if (term2 == null){
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return -1;
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}
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if (term1.getIdInVocabulary() == null){
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label1 = CdmUtils.Nz(term1.getTitleCache());
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}else{
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label1 = CdmUtils.Nz(term1.getIdInVocabulary());
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}
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if (term2.getIdInVocabulary() == null){
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label2 = CdmUtils.Nz(term2.getTitleCache());
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}else{
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label2 = CdmUtils.Nz(term2.getIdInVocabulary());
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}
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return label1.compareTo(label2);
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}
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}
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