com.github.jcustenborder.netty.syslog.UDPSyslogMessageDecoder Maven / Gradle / Ivy

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/**
 * Copyright © 2018 Jeremy Custenborder ([email protected])
 *
 * Licensed 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 com.github.jcustenborder.netty.syslog;

import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.socket.DatagramPacket;
import io.netty.handler.codec.MessageToMessageDecoder;

import java.net.InetAddress;
import java.nio.charset.Charset;
import java.time.LocalDateTime;
import java.util.List;

@ChannelHandler.Sharable
public class UDPSyslogMessageDecoder extends MessageToMessageDecoder {
  final Charset charset;

  public UDPSyslogMessageDecoder(Charset charset) {
    this.charset = charset;
  }

  public UDPSyslogMessageDecoder() {
    this(Charset.forName("UTF-8"));
  }

  @Override
  protected void decode(ChannelHandlerContext channelHandlerContext, DatagramPacket datagramPacket, List