eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/input/sortprovider/AbstractDateComparator.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 package eu.etaxonomy.taxeditor.bulkeditor.input.sortprovider;
  10
  11 import java.util.Comparator;
  12
  13 import org.joda.time.DateTime;
  14
  15 import eu.etaxonomy.cdm.model.common.ICdmBase;
  16
  17 /**
  18  * @author n.hoffmann
  19  * @created Dec 14, 2010
  20  */
  21 public abstract class AbstractDateComparator<T extends ICdmBase> implements Comparator<T>{
  22
  23         @Override
  24     public int compare(T o1, T o2) {
  25             if (o1.equals(o2)){
  26                 return 0;
  27             }
  28
  29                 return getDate(o1).compareTo(getDate(o2));
  30         };
  31
  32         protected abstract DateTime getDate(T object);
  33 }