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.dhcp.options.dhcp;
22
23
24 import org.apache.directory.server.dhcp.messages.MessageType;
25 import org.apache.directory.server.dhcp.options.DhcpOption;
26
27
28 /**
29 * This option is used to convey the type of the DHCP message. The code
30 * for this option is 53, and its length is 1. Legal values for this
31 * option are:
32 *
33 * Value Message Type
34 * ----- ------------
35 * 1 DHCPDISCOVER
36 * 2 DHCPOFFER
37 * 3 DHCPREQUEST
38 * 4 DHCPDECLINE
39 * 5 DHCPACK
40 * 6 DHCPNAK
41 * 7 DHCPRELEASE
42 * 8 DHCPINFORM
43 *
44 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
45 * @version $Rev: 638228 $, $Date: 2008-03-18 07:12:41 +0100 (Di, 18 Mär 2008) $
46 */
47 public class DhcpMessageType extends DhcpOption
48 {
49 private MessageType type;
50
51
52 public DhcpMessageType()
53 {
54 }
55
56
57 public DhcpMessageType(MessageType type)
58 {
59 this.type = type;
60 }
61
62
63 /*
64 * @see org.apache.directory.server.dhcp.options.DhcpOption#getTag()
65 */
66 public byte getTag()
67 {
68 return 53;
69 }
70
71
72 public void setData( byte[] messageType )
73 {
74 type = MessageType.getTypeByCode( messageType[0] );
75 }
76
77
78 public byte[] getData()
79 {
80 return new byte[]
81 { type.getCode() };
82 }
83
84
85 public MessageType getType()
86 {
87 return type;
88 }
89 }