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 TelnetServerPipelineFactory 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 TelnetServerHandler());
51
52 return pipeline;
53 }
54 }