| /* |
| * 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.directory.mavibot.btree.comparator; |
| |
| |
| import java.util.Comparator; |
| |
| |
| /** |
| * Compares integers |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class IntComparator implements Comparator<Integer> |
| { |
| /** |
| * Compare two integers. |
| * |
| * @param integer1 First integer |
| * @param integer2 Second integer |
| * @return 1 if integer1 > integer2, 0 if integer1 == integer2, -1 if integer1 < integer2 |
| */ |
| public int compare( Integer integer1, Integer integer2 ) |
| { |
| if ( integer1 == integer2 ) |
| { |
| return 0; |
| } |
| |
| if ( integer1 == null ) |
| { |
| if ( integer2 == null ) |
| { |
| return 0; |
| } |
| else |
| { |
| return -1; |
| } |
| } |
| else |
| { |
| if ( integer2 == null ) |
| { |
| return 1; |
| } |
| else |
| { |
| return integer1.compareTo( integer2 ); |
| } |
| } |
| } |
| } |