cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/common/TermLanguageComparator.java

   1 /**
   2 * Copyright (C) 2007 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
  10 package eu.etaxonomy.cdm.model.common;
  11
  12 import java.util.Comparator;
  13 import org.apache.log4j.Logger;
  14
  15
  16 /**
  17  * @author a.mueller
  18  * @created 14.05.2008
  19  * @version 1.0
  20  */
  21 public class TermLanguageComparator<T extends TermBase> implements Comparator<T> {
  22         private static Logger logger = Logger
  23                         .getLogger(TermLanguageComparator.class);
  24
  25         private Language defaultLanguage = Language.DEFAULT();
  26         private Language compareLanguage = Language.DEFAULT();
  27
  28
  29
  30         /**
  31          *
  32          */
  33         public TermLanguageComparator() {
  34                 // TODO Auto-generated constructor stub
  35         }
  36
  37         /* (non-Javadoc)
  38          * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
  39          */
  40         public int compare(T termbase1, T termbase2) throws RuntimeException{
  41                 String label1 = makeCompareLabel(termbase1);
  42                 String label2 = makeCompareLabel(termbase2);
  43
  44                 return label1.compareTo(label2);
  45         }
  46
  47         private String makeCompareLabel(T termbase){
  48                 String result;
  49                 if (termbase == null){
  50                         return "";
  51                 }
  52                 result = termbase.getLabel(compareLanguage);
  53                 if (result == null){
  54                         result = termbase.getLabel(defaultLanguage);
  55                 }
  56                 if (result == null){
  57                         result = "";
  58                 }
  59                 result += termbase.getUuid().toString();
  60                 return result;
  61         }
  62
  63         /**
  64          * @return the defaultLanguage
  65          */
  66         public Language getDefaultLanguage() {
  67                 return defaultLanguage;
  68         }
  69
  70         /**
  71          * @param defaultLanguage the defaultLanguage to set
  72          */
  73         public void setDefaultLanguage(Language defaultLanguage) {
  74                 this.defaultLanguage = defaultLanguage;
  75         }
  76
  77         /**
  78          * @return the compareLanguage
  79          */
  80         public Language getCompareLanguage() {
  81                 return compareLanguage;
  82         }
  83
  84         /**
  85          * @param compareLanguage the compareLanguage to set
  86          */
  87         public void setCompareLanguage(Language compareLanguage) {
  88                 this.compareLanguage = compareLanguage;
  89         }
  90 }