1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20
21 package org.apache.directory.server.dns.messages;
22
23
24 import org.apache.directory.server.dns.util.EnumConverter;
25 import org.apache.directory.server.dns.util.ReverseEnumMap;
26
27
28 /**
29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30 * @version $Rev: 547524 $, $Date: 2007-06-15 06:42:26 +0200 (Fr, 15 Jun 2007) $
31 */
32 public enum MessageType implements EnumConverter<Byte>
33 {
34 /** A query message. */
35 QUERY(0),
36
37 /** A response message. */
38 RESPONSE(1);
39
40 private static ReverseEnumMap<Byte, MessageType> map = new ReverseEnumMap<Byte, MessageType>( MessageType.class );
41
42 private final byte value;
43
44
45 private MessageType( int value )
46 {
47 this.value = ( byte ) value;
48 }
49
50
51 public Byte convert()
52 {
53 return this.value;
54 }
55
56
57 /**
58 * Converts an ordinal value into a {@link MessageType}.
59 *
60 * @param value
61 * @return The {@link MessageType}.
62 */
63 public static MessageType convert( byte value )
64 {
65 return map.get( value );
66 }
67 }