FPComparator.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.elephant.impl.context.vc;
 
import java.util.Comparator;
 
public class FPComparator implements Comparator<FileProperties> {
  
  public FPComparator() {
  }
 
  @Override
  public int compare(FileProperties o1, FileProperties o2) {
    int result = o1.getName().compareTo(o2.getName());
    if(result == 0) {
      if(o1.getExtension() != null) {
        result = o1.getExtension().compareTo(o2.getExtension());
      }
    }
    if(result == 0) {
      if(o1.getLang() != null) {
        result = o1.getLang().compareTo(o2.getLang());
      }
    }
    if(result == 0) {
      if(o1.getVersion() != null) {
        result = o1.getVersion().compareTo(o2.getVersion());
      }
    }
    if(result == 0) {
      if(o1.getAuthor() != null) {
        result = o1.getAuthor().compareTo(o2.getAuthor());
      }
    }
    return result;
  }
  
}