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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 java.net.InetSocketAddress;
    19  import java.util.concurrent.Executors;
    20
    21  import org.jboss.netty.bootstrap.ServerBootstrap;
    22  import org.jboss.netty.channel.ChannelPipeline;
    23  import org.jboss.netty.channel.ChannelPipelineFactory;
    24  import org.jboss.netty.channel.Channels;
    25  import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
    26  import org.jboss.netty.example.echo.EchoServer;
    27  import org.jboss.netty.handler.codec.serialization.ClassResolvers;
    28  import org.jboss.netty.handler.codec.serialization.ObjectDecoder;
    29  import org.jboss.netty.handler.codec.serialization.ObjectEncoder;
    30
    31  /**
    32   * Modification of {@link EchoServer} which utilizes Java object serialization.
    33   */
    34  public class ObjectEchoServer {
    35
    36      private final int port;
    37
    38      public ObjectEchoServer(int port) {
    39          this.port = port;
    40      }
    41
    42      public void run() {
    43          // Configure the server.
    44          ServerBootstrap bootstrap = new ServerBootstrap(
    45                  new NioServerSocketChannelFactory(
    46                          Executors.newCachedThreadPool(),
    47                          Executors.newCachedThreadPool()));
    48
    49          // Set up the pipeline factory.
    50          bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
    51              public ChannelPipeline getPipeline() throws Exception {
    52                  return Channels.pipeline(
    53                          new ObjectEncoder(),
    54                          new ObjectDecoder(
    55                                  ClassResolvers.cacheDisabled(getClass().getClassLoader())),
    56                          new ObjectEchoServerHandler());
    57              }
    58          });
    59
    60          // Bind and start to accept incoming connections.
    61          bootstrap.bind(new InetSocketAddress(port));
    62      }
    63
    64      public static void main(String[] args) throws Exception {
    65          int port;
    66          if (args.length > 0) {
    67              port = Integer.parseInt(args[0]);
    68          } else {
    69              port = 8080;
    70          }
    71          new ObjectEchoServer(port).run();
    72      }
    73  }