old_trunk/protocol-dns/src/main/java/org/apache/directory/server/dns/io/encoder/PointerRecordEncoder.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *  
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License. 
 *  
 */

package org.apache.directory.server.dns.io.encoder;


import org.apache.directory.server.dns.messages.ResourceRecord;
import org.apache.directory.server.dns.store.DnsAttribute;
import org.apache.mina.common.ByteBuffer;


/**
 * 3.3.12. PTR RDATA format
 * 
 *     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 *     /                   PTRDNAME                    /
 *     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 * 
 * where:
 * 
 * PTRDNAME        A <domain-name> which points to some location in the
 *                 domain name space.
 * 
 * PTR records cause no additional section processing.  These RRs are used
 * in special domains to point to some other location in the domain space.
 * These records are simple data, and don't imply any special processing
 * similar to that performed by CNAME, which identifies aliases.  See the
 * description of the IN-ADDR.ARPA domain for an example.
 * 
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 * @version $Rev$, $Date$
 */
public class PointerRecordEncoder extends ResourceRecordEncoder
{
    protected void putResourceRecordData( ByteBuffer byteBuffer, ResourceRecord record )
    {
        String domainName = record.get( DnsAttribute.DOMAIN_NAME );

        putDomainName( byteBuffer, domainName );
    }
}