TypedRelationComparator.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.contacts.util;
 
import java.util.Comparator;
import org.turro.contacts.BusinessRelation;
import org.turro.contacts.organigram.RelationType;
import org.turro.util.CompareUtil;
 
public class TypedRelationComparator implements Comparator<BusinessRelation> {
 
  @Override
  public int compare(BusinessRelation o1, BusinessRelation o2) {
    int result = -CompareUtil.compareNull(o1.getContact(), o2.getContact());
    if(result == 0) {
      result = -CompareUtil.compareNull(o1.getBusiness(), o2.getBusiness());
    }
    if(result == 0) {
      RelationType rt1 = RelationType.getFromString(o1.getRelationType()),
                   rt2 = RelationType.getFromString(o2.getRelationType());
      if(rt1 != null && rt2 != null) {
        result = CompareUtil.compare((rt1.getGroup() * 10000) + rt1.getLevel(), (rt2.getGroup() * 10000) + rt2.getLevel());
      }
    }
    if(result == 0) {
      result = CompareUtil.compare(o1.getFormattedDescription(), o2.getFormattedDescription());
    }
    if(result == 0) {
      String id1 = o1.getContact() == null ? null : o1.getContact().getId(), 
             id2 = o2.getContact() == null ? null : o2.getContact().getId();
      result = CompareUtil.compare(id1, id2);
    }
    if(result == 0) {
      String id1 = o1.getBusiness()== null ? null : o1.getBusiness().getId(), 
             id2 = o2.getBusiness()== null ? null : o2.getBusiness().getId();
      result = CompareUtil.compare(id1, id2);
    }
    if(result == 0) {
      result = CompareUtil.compare(o1.getId(), o2.getId());
    }
    return result;
  }
 
}