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 * 3.3.12. PTR RDATA format
31 *
32 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
33 * / PTRDNAME /
34 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
35 *
36 * where:
37 *
38 * PTRDNAME A <domain-name> which points to some location in the
39 * domain name space.
40 *
41 * PTR records cause no additional section processing. These RRs are used
42 * in special domains to point to some other location in the domain space.
43 * These records are simple data, and don't imply any special processing
44 * similar to that performed by CNAME, which identifies aliases. See the
45 * description of the IN-ADDR.ARPA domain for an example.
46 *
47 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
48 */
49 public class PointerRecordEncoder extends ResourceRecordEncoder
50 {
51 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record )
52 {
53 String domainName = record.get( DnsAttribute.DOMAIN_NAME );
54
55 putDomainName( byteBuffer, domainName );
56 }
57 }