root/trunk/cdmlib/cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/taxon/TaxonComparatorSearch.java

/**
* Copyright (C) 2007 EDIT
* European Distributed Institute of Taxonomy
* http://www.e-taxonomy.eu
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* See LICENSE.TXT at the top of this package for the full license terms.
*/
package eu.etaxonomy.cdm.model.taxon;

import java.io.Serializable;
import java.util.Comparator;

import eu.etaxonomy.cdm.model.name.Rank;

/**
 * @author k.luther
 * @date 18.03.2010
 *
 */
public class TaxonComparatorSearch implements Serializable, Comparator<TaxonBase> {

        public int compare(TaxonBase taxon1, TaxonBase taxon2) {
                
                Rank rankTax1 = taxon1.getName().getRank();
                Rank rankTax2 = taxon2.getName().getRank();
                
                if (rankTax1 == null) return 2;
                if (rankTax2 == null) return 1;
                if (rankTax1.isHigher(rankTax2)) return 1;
                else if (rankTax1.equals(rankTax2)) {
                        //same rank, order by name
                        return taxon1.getName().compareTo(taxon2.getName());
                        
                }
                else return 2;
        }

}