1 package org.apache.archiva.redback.integration.util; 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 java.util.Comparator; 23 24 import org.apache.archiva.redback.rbac.Resource; 25 26 /** 27 * ResourceSorter 28 * 29 * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a> 30 * 31 */ 32 public class ResourceSorter 33 implements Comparator<Resource> 34 { 35 36 public int compare( Resource r1, Resource r2 ) 37 { 38 if ( ( r1 == null ) && ( r2 == null ) ) 39 { 40 return 0; 41 } 42 43 if ( ( r1 == null ) && ( r2 != null ) ) 44 { 45 return -1; 46 } 47 48 if ( ( r1 != null ) && ( r2 == null ) ) 49 { 50 return 1; 51 } 52 53 return r1.getIdentifier().compareToIgnoreCase( r2.getIdentifier() ); 54 } 55 56 }