package org.apache.archiva.admin.repository.utils;
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.archiva.admin.model.beans.AbstractRepository;
  
  import java.util.Comparator;
  
  /**
   * @author Olivier Lamy
   * @since 1.4-M1
   */
  public class RepositoryComparator
      implements Comparator<AbstractRepository>
  {
      @Override
      public int compare( AbstractRepository../../../../org/apache/archiva/admin/model/beans/AbstractRepository.html#AbstractRepository">AbstractRepository o1, AbstractRepository o2 )
      {
          if ( o1 == null && o2 == null )
          {
              return 0;
          }
  
          if ( o1 == null )
          {
              return -1;
          }
  
          if ( o2 == null )
          {
              return 1;
          }
  
          return o1.getId().compareToIgnoreCase( o2.getId() );
      }
  }