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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    *   http://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.netty.handler.timeout;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.Channel;
20  import io.netty.channel.ChannelDuplexHandler;
21  import io.netty.channel.ChannelHandlerContext;
22  import io.netty.channel.ChannelInitializer;
23  
24  import java.util.concurrent.TimeUnit;
25  
26  /**
27   * Raises a {@link ReadTimeoutException} when no data was read within a certain
28   * period of time.
29   *
30   * <pre>
31   * // The connection is closed when there is no inbound traffic
32   * // for 30 seconds.
33   *
34   * public class MyChannelInitializer extends {@link ChannelInitializer}&lt;{@link Channel}&gt; {
35   *     public void initChannel({@link Channel} channel) {
36   *         channel.pipeline().addLast("readTimeoutHandler", new {@link ReadTimeoutHandler}(30);
37   *         channel.pipeline().addLast("myHandler", new MyHandler());
38   *     }
39   * }
40   *
41   * // Handler should handle the {@link ReadTimeoutException}.
42   * public class MyHandler extends {@link ChannelDuplexHandler} {
4