1 /* 2 * Copyright 2009 Red Hat, Inc. 3 * 4 * Red Hat licenses this file to you under the Apache License, version 2.0 5 * (the "License"); you may not use this file except in compliance with the 6 * License. You may obtain a copy of the License at: 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package org.jboss.netty.handler.codec.http; 17 18 import java.io.Serializable; 19 import java.util.Comparator; 20 21 /** 22 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a> 23 * @author Andy Taylor (andy.taylor@jboss.org) 24 * @author <a href="http://gleamynode.net/">Trustin Lee</a> 25 * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $ 26 */ 27 final class CaseIgnoringComparator implements Comparator<String>, Serializable { 28 29 private static final long serialVersionUID = 4582133183775373862L; 30 31 static final CaseIgnoringComparator INSTANCE = new CaseIgnoringComparator(); 32 33 private CaseIgnoringComparator() { 34 super(); 35 } 36 37 public int compare(String o1, String o2) { 38 return o1.compareToIgnoreCase(o2); 39 } 40 41 private Object readResolve() { 42 return INSTANCE; 43 } 44 }