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 java.net.InetAddress; 025import java.net.UnknownHostException; 026 027import org.apache.directory.server.dns.messages.ResourceRecord; 028import org.apache.directory.server.dns.store.DnsAttribute; 029import org.apache.mina.core.buffer.IoBuffer; 030 031 032/** 033 * 3.4.1. A RDATA format 034 * 035 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 036 * | ADDRESS | 037 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 038 * 039 * where: 040 * 041 * ADDRESS A 32 bit Internet address. 042 * 043 * Hosts that have multiple Internet addresses will have multiple A 044 * records. 045 * 046 * A records cause no additional section processing. The RDATA section of 047 * an A line in a master file is an Internet address expressed as four 048 * decimal numbers separated by dots without any imbedded spaces (e.g., 049 * "10.2.0.52" or "192.0.5.6"). 050 * 051 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 052 */ 053public class AddressRecordEncoder extends ResourceRecordEncoder 054{ 055 // This will suppress PMD.EmptyCatchBlock warnings in this method 056 @SuppressWarnings("PMD.EmptyCatchBlock") 057 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record ) 058 { 059 String ipAddress = record.get( DnsAttribute.IP_ADDRESS ); 060 061 try 062 { 063 byteBuffer.put( InetAddress.getByName( ipAddress ).getAddress() ); 064 } 065 catch ( UnknownHostException uhe ) 066 { 067 } 068 } 069}