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.decoder; 22 23 24 import java.io.IOException; 25 import java.util.HashMap; 26 import java.util.Map; 27 28 import org.apache.directory.server.dns.store.DnsAttribute; 29 import org.apache.mina.common.ByteBuffer; 30 31 32 /** 33 * A decoder for NS records. NS records are encoded as per RFC-1035: 34 * 35 * <pre> 36 * 3.3.11. NS RDATA format 37 * 38 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 39 * / NSDNAME / 40 * / / 41 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 42 * 43 * where: 44 * 45 * NSDNAME 46 * A <domain-name> which specifies a host which should be authoritative for 47 * the specified class and domain. 48 * </pre> 49 * 50 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 51 * @version $Rev$, $Date$ 52 */ 53 public class NameServerRecordDecoder implements RecordDecoder 54 { 55 public Map<String, Object> decode( ByteBuffer byteBuffer, short length ) throws IOException 56 { 57 Map<String, Object> map = new HashMap<String, Object>(); 58 map.put( DnsAttribute.DOMAIN_NAME, DnsMessageDecoder.getDomainName( byteBuffer ) ); 59 return map; 60 } 61 }