| /* |
| * 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.decoder; |
| |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.directory.server.dns.store.DnsAttribute; |
| import org.apache.mina.common.ByteBuffer; |
| |
| |
| /** |
| * A decoder for MX records. MX records are encoded as per RFC-1035: |
| * |
| * <pre> |
| * 3.3.9. MX RDATA format |
| * |
| * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |
| * | PREFERENCE | |
| * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |
| * / EXCHANGE / |
| * / / |
| * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |
| * |
| * where: |
| * |
| * PREFERENCE |
| * A 16 bit integer which specifies the preference given to this RR among |
| * others at the same owner. Lower values are preferred. |
| * |
| * EXCHANGE |
| * A <domain-name> which specifies a host willing to act as a mail exchange |
| * for the owner name. |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public class MailExchangeRecordDecoder implements RecordDecoder |
| { |
| public Map<String, Object> decode( ByteBuffer byteBuffer, short length ) throws IOException |
| { |
| Map<String, Object> attributes = new HashMap<String, Object>(); |
| attributes.put( DnsAttribute.MX_PREFERENCE, byteBuffer.getShort() ); |
| attributes.put( DnsAttribute.DOMAIN_NAME, DnsMessageDecoder.getDomainName( byteBuffer ) ); |
| return attributes; |
| } |
| } |