| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.wiki.util.comparators; |
| |
| import java.io.Serializable; |
| import java.security.Principal; |
| import java.text.Collator; |
| import java.util.Comparator; |
| |
| |
| /** |
| * Comparator class for sorting objects of type Principal. Used for sorting arrays or collections of Principals. |
| * |
| * @since 2.3 |
| */ |
| public class PrincipalComparator implements Comparator< Principal >, Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * Compares two Principal objects. |
| * |
| * @param o1 the first Principal |
| * @param o2 the second Principal |
| * @return the result of the comparison |
| * @see java.util.Comparator#compare(Object, Object) |
| */ |
| @Override |
| public int compare( final Principal o1, final Principal o2 ) { |
| final Collator collator = Collator.getInstance(); |
| return collator.compare( o1.getName(), o2.getName() ); |
| } |
| |
| } |