eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/description/SourceComparator.java

   1 package eu.etaxonomy.taxeditor.ui.section.description;
   2
   3
   4 import java.util.Comparator;
   5
   6 import eu.etaxonomy.cdm.model.common.OriginalSourceBase;
   7 import eu.etaxonomy.cdm.model.common.OriginalSourceType;
   8 import eu.etaxonomy.cdm.model.reference.Reference;
   9
  10 /**
  11  * @author pplitzner
  12  * @date Apr 13, 2016
  13  *
  14  */
  15 public class SourceComparator implements Comparator<OriginalSourceBase> {
  16     @Override
  17     public int compare(OriginalSourceBase o1, OriginalSourceBase o2) {
  18         int id1 = o1.getId();
  19         int id2 = o2.getId();
  20         OriginalSourceType type1 = o1.getType();
  21         OriginalSourceType type2 = o2.getType();
  22         Reference citation1 = o1.getCitation();
  23         Reference citation2 = o2.getCitation();
  24
  25         // the newly created should always be on top
  26         if (id1 == 0 && id2!=0) {
  27             return -1;
  28         }
  29         if (id1 != 0 && id2==0) {
  30             return 1;
  31         }
  32
  33         // sort by type (Primary taxonomic > Primary Media > others
  34         // alphabetically by reference title cache)
  35         if (type1 != null && type1.equals(OriginalSourceType.PrimaryTaxonomicSource)
  36                 && type2 != null && !type2.equals(OriginalSourceType.PrimaryTaxonomicSource)) {
  37             return -1;
  38         }
  39         if (type1 != null && !type1.equals(OriginalSourceType.PrimaryTaxonomicSource)
  40                 && type2 != null && type2.equals(OriginalSourceType.PrimaryTaxonomicSource)) {
  41             return 1;
  42         }
  43         if (type1 != null && type1.equals(OriginalSourceType.PrimaryMediaSource)
  44                 && type2!=null && !type2.equals(OriginalSourceType.PrimaryTaxonomicSource)) {
  45             return -1;
  46         }
  47         if (type2 != null && type2.equals(OriginalSourceType.PrimaryMediaSource)
  48                 && type1!=null && !type1.equals(OriginalSourceType.PrimaryTaxonomicSource)) {
  49             return 1;
  50         }
  51
  52         //sort by citation title cache
  53         if(citation1!=null && citation2!=null){
  54             return citation1.getTitleCache().compareTo(citation2.getTitleCache());
  55         }
  56         return o2.getCreated().compareTo(o1.getCreated());
  57     }
  58 }