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1   /*
2    * Copyright 2009 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * 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 org.jboss.netty.example.telnet;
17  
18  import static org.jboss.netty.channel.Channels.*;
19  
20  import org.jboss.netty.channel.ChannelPipeline;
21  import org.jboss.netty.channel.ChannelPipelineFactory;
22  import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder;
23  import org.jboss.netty.handler.codec.frame.Delimiters;
24  import org.jboss.netty.handler.codec.string.StringDecoder;
25  import org.jboss.netty.handler.codec.string.StringEncoder;
26  
27  /**
28   * Creates a newly configured {@link ChannelPipeline} for a new channel.
29   *
30   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
31   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
32   *
33   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
34   *
35   */
36  public class TelnetClientPipelineFactory implements
37          ChannelPipelineFactory {
38  
39      public ChannelPipeline getPipeline() throws Exception {
40          // Create a default pipeline implementation.
41          ChannelPipeline pipeline = pipeline();
42  
43          // Add the text line codec combination first,
44          pipeline.addLast("framer", new DelimiterBasedFrameDecoder(
45                  8192, Delimiters.lineDelimiter()));
46          pipeline.addLast("decoder", new StringDecoder());
47          pipeline.addLast("encoder", new StringEncoder());
48  
49          // and then business logic.
50          pipeline.addLast("handler", new TelnetClientHandler());
51  
52          return pipeline;
53      }
54  }