001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 021 package org.apache.directory.server.dns.messages; 022 023 024 import org.apache.directory.server.dns.util.EnumConverter; 025 import org.apache.directory.server.dns.util.ReverseEnumMap; 026 027 028 /** 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 * @version $Rev: 613608 $, $Date: 2008-01-20 17:59:10 +0100 (Sun, 20 Jan 2008) $ 031 */ 032 public enum RecordClass implements EnumConverter<Short> 033 { 034 /** Internet */ 035 IN(1), 036 037 /** CSNET class */ 038 CS(2), 039 040 /** CHAOS class */ 041 CH(3), 042 043 /** Hesiod [Dyer 87] */ 044 HS(4), 045 046 /** Special value used in dynamic update messages */ 047 NONE(254), 048 049 /** Any class */ 050 ANY(255); 051 052 private static ReverseEnumMap<Short, RecordClass> map = new ReverseEnumMap<Short, RecordClass>( RecordClass.class ); 053 054 private final short value; 055 056 057 private RecordClass( int value ) 058 { 059 this.value = ( short ) value; 060 } 061 062 063 public Short convert() 064 { 065 return this.value; 066 } 067 068 069 /** 070 * Converts an ordinal value into a {@link RecordClass}. 071 * 072 * @param value 073 * @return The {@link RecordClass}. 074 */ 075 public static RecordClass convert( short value ) 076 { 077 return map.get( value ); 078 } 079 }