001 package 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 */ 021 022 import org.apache.archiva.configuration.ProxyConnectorConfiguration; 023 024 import java.util.Comparator; 025 026 /** 027 * 028 * @deprecated ProxyConnectorConfigurationOrderComparator 029 */ 030 public class ProxyConnectorConfigurationOrderComparator 031 implements Comparator<ProxyConnectorConfiguration> 032 { 033 private static ProxyConnectorConfigurationOrderComparator INSTANCE = 034 new ProxyConnectorConfigurationOrderComparator(); 035 036 public int compare( ProxyConnectorConfiguration o1, ProxyConnectorConfiguration o2 ) 037 { 038 if ( o1 == null && o2 == null ) 039 { 040 return 0; 041 } 042 043 // Ensure null goes to end of list. 044 if ( o1 == null && o2 != null ) 045 { 046 return 1; 047 } 048 049 if ( o1 != null && o2 == null ) 050 { 051 return -1; 052 } 053 054 // Ensure 0 (unordered) goes to end of list. 055 if ( o1.getOrder() == 0 && o2.getOrder() != 0 ) 056 { 057 return 1; 058 } 059 060 if ( o1.getOrder() != 0 && o2.getOrder() == 0 ) 061 { 062 return -1; 063 } 064 065 return o1.getOrder() - o2.getOrder(); 066 } 067 068 public static ProxyConnectorConfigurationOrderComparator getInstance() 069 { 070 return INSTANCE; 071 } 072 }