eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/checklist/e4/TaxonDistributionDtoComparator.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.editor.view.checklist.e4;
  10
  11 import java.util.Comparator;
  12
  13 import eu.etaxonomy.cdm.api.service.dto.TaxonDistributionDTO;
  14 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
  15 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDtoByNameComparator;
  16 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDtoByRankAndNameComparator;
  17
  18 /**
  19  * @author k.luther
  20  * @since 28.11.2018
  21  */
  22 public class TaxonDistributionDtoComparator implements Comparator<TaxonDistributionDTO> {
  23
  24     Comparator<TaxonNodeDto> comparator1 = new TaxonNodeDtoByRankAndNameComparator();
  25     Comparator<TaxonNodeDto> comparator2 = new TaxonNodeDtoByNameComparator();
  26
  27     public TaxonDistributionDtoComparator(){
  28         super();
  29     }
  30
  31     @Override
  32     public int compare(TaxonDistributionDTO taxonDistr0, TaxonDistributionDTO taxonDistr1) {
  33
  34         //if parent is not the same sort by name
  35         if ((taxonDistr0.getTaxonNodeDto() != null && taxonDistr1.getTaxonNodeDto() != null) && !taxonDistr0.getTaxonNodeDto().getParentUUID().equals(taxonDistr1.getTaxonNodeDto().getParentUUID()) ){
  36             return comparator2.compare(taxonDistr0.getTaxonNodeDto(), taxonDistr1.getTaxonNodeDto());
  37         }
  38         // if parent is the same sort by rank and name
  39         if (taxonDistr0.getTaxonNodeDto() != null && taxonDistr1.getTaxonNodeDto() != null && taxonDistr0.getTaxonNodeDto().getParentUUID().equals( taxonDistr1.getTaxonNodeDto().getParentUUID())){
  40            return this.comparator1.compare(taxonDistr0.getTaxonNodeDto(), taxonDistr1.getTaxonNodeDto());
  41         }else if (taxonDistr0 == taxonDistr1 || (taxonDistr0.getTaxonNodeDto() == null) && (taxonDistr1.getTaxonNodeDto() == null)){
  42             return 0;
  43         } else if (taxonDistr0.getTaxonNodeDto() != null && taxonDistr1.getTaxonNodeDto() == null){
  44             return -1;
  45         } else if (taxonDistr0.getTaxonNodeDto() == null && taxonDistr1.getTaxonNodeDto() != null){
  46             return 1;
  47         }else{
  48             return taxonDistr0.getTaxonUuid().compareTo(taxonDistr1.getTaxonUuid());
  49         }
  50     }
  51
  52 }