1 package org.apache.archiva.rest.services.utils; 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.rest.api.model.AdminRepositoryConsumer; 23 24 import java.util.Comparator; 25 26 /** 27 * AdminRepositoryConsumerComparator 28 * 29 * 30 */ 31 public class AdminRepositoryConsumerComparator 32 implements Comparator<AdminRepositoryConsumer> 33 { 34 private static AdminRepositoryConsumerComparator INSTANCE = new AdminRepositoryConsumerComparator(); 35 36 public static AdminRepositoryConsumerComparator getInstance() 37 { 38 return INSTANCE; 39 } 40 41 @Override 42 public int compare( AdminRepositoryConsumer o1, AdminRepositoryConsumer o2 ) 43 { 44 if ( o1 == null && o2 == null ) 45 { 46 return 0; 47 } 48 49 if ( o1 == null && o2 != null ) 50 { 51 return 1; 52 } 53 54 if ( o1 != null && o2 == null ) 55 { 56 return -1; 57 } 58 59 String id1 = o1.getId(); 60 String id2 = o2.getId(); 61 return id1.compareToIgnoreCase( id2 ); 62 } 63 }