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 org.apache.directory.server.dns.messages.ResourceRecord;
25 import org.apache.directory.server.dns.store.DnsAttribute;
26 import org.apache.mina.core.buffer.IoBuffer;
27
28
29 /**
30 * 3.3.1. CNAME RDATA format
31 *
32 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
33 * / CNAME /
34 * / /
35 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
36 *
37 * where:
38 *
39 * CNAME A <domain-name> which specifies the canonical or primary
40 * name for the owner. The owner name is an alias.
41 *
42 * CNAME RRs cause no additional section processing, but name servers may
43 * choose to restart the query at the canonical name in certain cases. See
44 * the description of name server logic in [RFC-1034] for details.
45 *
46 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
47 */
48 public class CanonicalNameRecordEncoder extends ResourceRecordEncoder
49 {
50 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record )
51 {
52 String domainName = record.get( DnsAttribute.DOMAIN_NAME );
53
54 putDomainName( byteBuffer, domainName );
55 }
56 }