org.apache.hbase.thirdparty.io.netty.handler.codec.dns.DatagramDnsResponseEncoder Maven / Gradle / Ivy
/*
* Copyright 2015 The Netty Project
*
* The Netty Project 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.hbase.thirdparty.io.netty.handler.codec.dns;
import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;
import org.apache.hbase.thirdparty.io.netty.channel.AddressedEnvelope;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;
import org.apache.hbase.thirdparty.io.netty.channel.socket.DatagramPacket;
import org.apache.hbase.thirdparty.io.netty.handler.codec.MessageToMessageEncoder;
import org.apache.hbase.thirdparty.io.netty.util.internal.UnstableApi;
import java.net.InetSocketAddress;
import java.util.List;
import static org.apache.hbase.thirdparty.io.netty.util.internal.ObjectUtil.checkNotNull;
/**
* Encodes a {@link DatagramDnsResponse} (or an {@link AddressedEnvelope} of {@link DnsResponse}} into a
* {@link DatagramPacket}.
*/
@UnstableApi
@ChannelHandler.Sharable
public class DatagramDnsResponseEncoder
extends MessageToMessageEncoder> {
private final DnsRecordEncoder recordEncoder;
/**
* Creates a new encoder with {@linkplain DnsRecordEncoder#DEFAULT the default record encoder}.
*/
public DatagramDnsResponseEncoder() {
this(DnsRecordEncoder.DEFAULT);
}
/**
* Creates a new encoder with the specified {@code recordEncoder}.
*/
public DatagramDnsResponseEncoder(DnsRecordEncoder recordEncoder) {
this.recordEncoder = checkNotNull(recordEncoder, "recordEncoder");
}
@Override
protected void encode(ChannelHandlerContext ctx,
AddressedEnvelope in, List