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.io.encoder;
22
23
24 import java.net.InetAddress;
25 import java.net.UnknownHostException;
26
27 import org.apache.directory.server.dns.messages.ResourceRecord;
28 import org.apache.directory.server.dns.store.DnsAttribute;
29 import org.apache.mina.common.ByteBuffer;
30
31
32 /**
33 * 3.4.1. A RDATA format
34 *
35 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
36 * | ADDRESS |
37 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
38 *
39 * where:
40 *
41 * ADDRESS A 32 bit Internet address.
42 *
43 * Hosts that have multiple Internet addresses will have multiple A
44 * records.
45 *
46 * A records cause no additional section processing. The RDATA section of
47 * an A line in a master file is an Internet address expressed as four
48 * decimal numbers separated by dots without any imbedded spaces (e.g.,
49 * "10.2.0.52" or "192.0.5.6").
50 *
51 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
52 * @version $Rev: 501531 $, $Date: 2007-01-30 20:51:18 +0100 (Di, 30 Jan 2007) $
53 */
54 public class AddressRecordEncoder extends ResourceRecordEncoder
55 {
56 protected void putResourceRecordData( ByteBuffer byteBuffer, ResourceRecord record )
57 {
58 String ipAddress = record.get( DnsAttribute.IP_ADDRESS );
59
60 try
61 {
62 byteBuffer.put( InetAddress.getByName( ipAddress ).getAddress() );
63 }
64 catch ( UnknownHostException uhe )
65 {
66 }
67 }
68 }