001 package org.apache.archiva.admin.repository.utils; 002 /* 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 */ 020 021 import org.apache.archiva.admin.model.beans.AbstractRepository; 022 023 import java.util.Comparator; 024 025 /** 026 * @author Olivier Lamy 027 * @since 1.4-M1 028 */ 029 public class RepositoryComparator 030 implements Comparator<AbstractRepository> 031 { 032 public int compare( AbstractRepository o1, AbstractRepository o2 ) 033 { 034 if ( o1 == null && o2 == null ) 035 { 036 return 0; 037 } 038 039 if ( o1 == null ) 040 { 041 return -1; 042 } 043 044 if ( o2 == null ) 045 { 046 return 1; 047 } 048 049 return o1.getId().compareToIgnoreCase( o2.getId() ); 050 } 051 }