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 */
31 public enum MessageType implements EnumConverter<Byte>
32 {
33 /** A query message. */
34 QUERY(0),
35
36 /** A response message. */
37 RESPONSE(1);
38
39 private static ReverseEnumMap<Byte, MessageType> map = new ReverseEnumMap<>( MessageType.class );
40
41 private final byte value;
42
43
44 MessageType( int value )
45 {
46 this.value = ( byte ) value;
47 }
48
49
50 public Byte convert()
51 {
52 return this.value;
53 }
54
55
56 /**
57 * Converts an ordinal value into a {@link MessageType}.
58 *
59 * @param value
60 * @return The {@link MessageType}.
61 */
62 public static MessageType convert( byte value )
63 {
64 return map.get( value );
65 }
66 }