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;
22
23
24 import java.net.InetAddress;
25 import java.net.UnknownHostException;
26
27
28 /**
29 * The Dynamic Host Configuration Protocol (DHCP) provides a framework
30 * for passing configuration information to hosts on a TCP/IP network.
31 * Configuration parameters and other control information are carried in
32 * tagged data items that are stored in the 'options' field of the DHCP
33 * message. The data items themselves are also called "options."
34 *
35 * This abstract base class is for options that carry a single IP address.
36 *
37 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
38 * @version $Rev: 638228 $, $Date: 2008-03-18 07:12:41 +0100 (Di, 18 Mär 2008) $
39 */
40 public abstract class AddressOption extends DhcpOption
41 {
42 private InetAddress address;
43
44
45 /*
46 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData()
47 */
48 public byte[] getData()
49 {
50 return address.getAddress();
51 }
52
53
54 /*
55 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[])
56 */
57 public void setData( byte[] data )
58 {
59 try
60 {
61 address = InetAddress.getByAddress( data );
62 }
63 catch ( UnknownHostException e )
64 {
65 throw new IllegalArgumentException( "illegal address", e );
66 }
67 }
68
69
70 public InetAddress getAddress()
71 {
72 return address;
73 }
74
75
76 public void setAddress( InetAddress address )
77 {
78 this.address = address;
79 }
80 }