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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty5.example.qotm;
17  
18  import io.netty5.channel.ChannelHandlerContext;
19  import io.netty5.channel.SimpleChannelInboundHandler;
20  import io.netty5.channel.socket.DatagramPacket;
21  import io.netty5.util.CharsetUtil;
22  
23  public class QuoteOfTheMomentClientHandler extends SimpleChannelInboundHandler<DatagramPacket> {
24  
25      @Override
26      public void messageReceived(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
27          String response = msg.content().toString(CharsetUtil.UTF_8);
28          if (response.startsWith("QOTM: ")) {
29              System.out.println("Quote of the Moment: " + response.substring(6));
30              ctx.close();
31          }
32      }
33  
34      @Override
35      public void channelExceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
36          cause.printStackTrace();
37          ctx.close();
38      }
39  }