1 package org.apache.archiva.configuration.functors; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import org.apache.archiva.configuration.ProxyConnectorConfiguration; 23 24 import java.util.Comparator; 25 26 /** 27 * 28 * @deprecated ProxyConnectorConfigurationOrderComparator 29 */ 30 public class ProxyConnectorConfigurationOrderComparator 31 implements Comparator<ProxyConnectorConfiguration> 32 { 33 private static ProxyConnectorConfigurationOrderComparator INSTANCE = 34 new ProxyConnectorConfigurationOrderComparator(); 35 36 @Override 37 public int compare( ProxyConnectorConfiguration o1, ProxyConnectorConfiguration o2 ) 38 { 39 if ( o1 == null && o2 == null ) 40 { 41 return 0; 42 } 43 44 // Ensure null goes to end of list. 45 if ( o1 == null && o2 != null ) 46 { 47 return 1; 48 } 49 50 if ( o1 != null && o2 == null ) 51 { 52 return -1; 53 } 54 55 // Ensure 0 (unordered) goes to end of list. 56 if ( o1.getOrder() == 0 && o2.getOrder() != 0 ) 57 { 58 return 1; 59 } 60 61 if ( o1.getOrder() != 0 && o2.getOrder() == 0 ) 62 { 63 return -1; 64 } 65 66 return o1.getOrder() - o2.getOrder(); 67 } 68 69 public static ProxyConnectorConfigurationOrderComparator getInstance() 70 { 71 return INSTANCE; 72 } 73 }