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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 org.jboss.netty.example.objectecho;
17  
18  import org.jboss.netty.bootstrap.ServerBootstrap;
19  import org.jboss.netty.channel.ChannelPipeline;
20  import org.jboss.netty.channel.ChannelPipelineFactory;
21  import org.jboss.netty.channel.Channels;
22  import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
23  import org.jboss.netty.example.echo.EchoServer;
24  import org.jboss.netty.handler.codec.serialization.ClassResolvers;
25  import org.jboss.netty.handler.codec.serialization.ObjectDecoder;
26  import org.jboss.netty.handler.codec.serialization.ObjectEncoder;
27  import org.jboss.netty.handler.ssl.SslContext;
28  import org.jboss.netty.handler.ssl.util.SelfSignedCertificate;
29  
30  import java.net.InetSocketAddress;
31  import java.util.concurrent.Executors;
32  
33  /**
34   * Modification of {@link EchoServer} which utilizes Java object serialization.
35   */
36  public final class ObjectEchoServer {
37  
38      static final boolean SSL = System.getProperty("ssl") != null;
39      static final int PORT = Integer.parseInt(System.getProperty("port", "8007"));
40  
41      public static void main(String[] args) throws Exception {
42          // Configure SSL.
43          final SslContext sslCtx;
44          if (SSL) {
45              SelfSignedCertificate ssc = new SelfSignedCertificate();
46              sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
47          } else {
48              sslCtx = null;
49          }
50  
51          // Configure the server.
52          ServerBootstrap bootstrap = new ServerBootstrap(
53                  new NioServerSocketChannelFactory(
54                          Executors.newCachedThreadPool(),
55                          Executors.newCachedThreadPool()));
56  
57          // Set up the pipeline factory.
58          bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
59              public ChannelPipeline getPipeline() {
60                  ChannelPipeline p = Channels.pipeline(
61                          new ObjectEncoder(),
62                          new ObjectDecoder(ClassResolvers.cacheDisabled(getClass().getClassLoader())),
63                          new ObjectEchoServerHandler());
64                  if (sslCtx != null) {
65                      p.addFirst("ssl", sslCtx.newHandler());
66                  }
67                  return p;
68              }
69          });
70  
71          // Bind and start to accept incoming connections.
72          bootstrap.bind(new InetSocketAddress(PORT));
73      }
74  }