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.protocol; 22 23 24 import org.apache.directory.server.dns.io.encoder.DnsMessageEncoder; 25 import org.apache.directory.server.dns.messages.DnsMessage; 26 import org.apache.mina.common.ByteBuffer; 27 import org.apache.mina.common.IoSession; 28 import org.apache.mina.filter.codec.ProtocolEncoderAdapter; 29 import org.apache.mina.filter.codec.ProtocolEncoderOutput; 30 31 32 /** 33 * A ProtocolEncoder for use in the MINA framework that uses the 34 * DnsMessageEncoder to encode DnsMessages. 35 * 36 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 37 * @version $Rev: 548165 $, $Date: 2007-06-18 04:03:59 +0200 (Mo, 18 Jun 2007) $ 38 */ 39 public class DnsUdpEncoder extends ProtocolEncoderAdapter 40 { 41 private DnsMessageEncoder encoder = new DnsMessageEncoder(); 42 43 44 public void encode( IoSession session, Object message, ProtocolEncoderOutput out ) 45 { 46 ByteBuffer buf = ByteBuffer.allocate( 1024 ); 47 encoder.encode( buf, ( DnsMessage ) message ); 48 49 buf.flip(); 50 51 out.write( buf ); 52 } 53 }