1 package org.apache.archiva.admin.repository.utils;
2 /*
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 */
20
21 import org.apache.archiva.admin.model.beans.AbstractRepository;
22
23 import java.util.Comparator;
24
25 /**
26 * @author Olivier Lamy
27 * @since 1.4-M1
28 */
29 public class RepositoryComparator
30 implements Comparator<AbstractRepository>
31 {
32 public int compare( AbstractRepository o1, AbstractRepository o2 )
33 {
34 if ( o1 == null && o2 == null )
35 {
36 return 0;
37 }
38
39 if ( o1 == null )
40 {
41 return -1;
42 }
43
44 if ( o2 == null )
45 {
46 return 1;
47 }
48
49 return o1.getId().compareToIgnoreCase( o2.getId() );
50 }
51 }