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 021package org.apache.directory.server.dns.io.encoder; 022 023 024import org.apache.directory.server.dns.messages.ResourceRecord; 025import org.apache.directory.server.dns.store.DnsAttribute; 026import org.apache.mina.core.buffer.IoBuffer; 027 028 029/** 030 * 3.3.11. NS RDATA format 031 * 032 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 033 * / NSDNAME / 034 * / / 035 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 036 * 037 * where: 038 * 039 * NSDNAME A <domain-name> which specifies a host which should be 040 * authoritative for the specified class and domain. 041 * 042 * NS records cause both the usual additional section processing to locate 043 * a type A record, and, when used in a referral, a special search of the 044 * zone in which they reside for glue information. 045 * 046 * The NS RR states that the named host should be expected to have a zone 047 * starting at owner name of the specified class. Note that the class may 048 * not indicate the protocol family which should be used to communicate 049 * with the host, although it is typically a strong hint. For example, 050 * hosts which are name servers for either Internet (IN) or Hesiod (HS) 051 * class information are normally queried using IN class protocols. 052 * 053 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 054 */ 055public class NameServerRecordEncoder extends ResourceRecordEncoder 056{ 057 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record ) 058 { 059 String domainName = record.get( DnsAttribute.DOMAIN_NAME ); 060 061 putDomainName( byteBuffer, domainName ); 062 } 063}