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 import org.apache.directory.server.i18n.I18n;
28
29
30 /**
31 * The Dynamic Host Configuration Protocol (DHCP) provides a framework
32 * for passing configuration information to hosts on a TCP/IP network.
33 * Configuration parameters and other control information are carried in
34 * tagged data items that are stored in the 'options' field of the DHCP
35 * message. The data items themselves are also called "options."
36 *
37 * This abstract base class is for options that carry a single IP address.
38 *
39 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
40 */
41 public abstract class AddressOption extends DhcpOption
42 {
43 private InetAddress address;
44
45
46 /*
47 * @see org.apache.directory.server.dhcp.options.DhcpOption#getData()
48 */
49 @Override
50 public byte[] getData()
51 {
52 return address.getAddress();
53 }
54
55
56 /*
57 * @see org.apache.directory.server.dhcp.options.DhcpOption#setData(byte[])
58 */
59 @Override
60 public void setData( byte[] data )
61 {
62 try
63 {
64 address = InetAddress.getByAddress( data );
65 }
66 catch ( UnknownHostException e )
67 {
68 throw new IllegalArgumentException( I18n.err( I18n.ERR_638 ), e );
69 }
70 }
71
72
73 public InetAddress getAddress()
74 {
75 return address;
76 }
77
78
79 public void setAddress( InetAddress address )
80 {
81 this.address = address;
82 }
83 }