001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020
021 package org.apache.directory.server.dns.io.encoder;
022
023
024 import org.apache.directory.server.dns.messages.ResourceRecord;
025 import org.apache.directory.server.dns.store.DnsAttribute;
026 import org.apache.mina.core.buffer.IoBuffer;
027
028
029 /**
030 * 3.3.1. CNAME RDATA format
031 *
032 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
033 * / CNAME /
034 * / /
035 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
036 *
037 * where:
038 *
039 * CNAME A <domain-name> which specifies the canonical or primary
040 * name for the owner. The owner name is an alias.
041 *
042 * CNAME RRs cause no additional section processing, but name servers may
043 * choose to restart the query at the canonical name in certain cases. See
044 * the description of name server logic in [RFC-1034] for details.
045 *
046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
047 * @version $Rev: 725712 $, $Date: 2008-12-11 17:32:04 +0200 (Thu, 11 Dec 2008) $
048 */
049 public class CanonicalNameRecordEncoder extends ResourceRecordEncoder
050 {
051 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record )
052 {
053 String domainName = record.get( DnsAttribute.DOMAIN_NAME );
054
055 putDomainName( byteBuffer, domainName );
056 }
057 }