Source code

001package org.apache.archiva.configuration.functors;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.archiva.configuration.AbstractRepositoryConfiguration;
023
024import java.util.Comparator;
025
026/**
027 * RepositoryConfigurationComparator
028 *
029 *
030 */
031public class RepositoryConfigurationComparator
032    implements Comparator<AbstractRepositoryConfiguration>
033{
034    @Override
035    public int compare( AbstractRepositoryConfiguration o1, AbstractRepositoryConfiguration o2 )
036    {
037        if ( o1 == null && o2 == null )
038        {
039            return 0;
040        }
041
042        if ( o1 == null )
043        {
044            return -1;
045        }
046
047        if ( o2 == null )
048        {
049            return 1;
050        }
051
052        return o1.getId().compareToIgnoreCase( o2.getId() );
053    }
054}