/*
    * Copyright 2009 Red Hat, Inc.
    *
    * Red Hat licenses this file to you under the Apache License, version 2.0
    * (the "License"); you may not use this file except in compliance with the
    * License.  You may obtain a copy of the License at:
    *
    *    http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package org.jboss.netty.example.objectecho;
  
  import java.net.InetSocketAddress;
  import java.util.concurrent.Executors;
  
  import org.jboss.netty.bootstrap.ClientBootstrap;
  import org.jboss.netty.channel.ChannelPipeline;
  import org.jboss.netty.channel.ChannelPipelineFactory;
  import org.jboss.netty.channel.Channels;
  import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
  import org.jboss.netty.example.echo.EchoClient;
  import org.jboss.netty.handler.codec.serialization.ObjectDecoder;
  import org.jboss.netty.handler.codec.serialization.ObjectEncoder;
  
  /**
   * Modification of {@link EchoClient} which utilizes Java object serialization.
   *
   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
   *
   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
   */
  public class ObjectEchoClient {
  
      public static void main(String[] args) throws Exception {
          // Print usage if no argument is specified.
          if (args.length < 2 || args.length > 3) {
              System.err.println(
                      "Usage: " + ObjectEchoClient.class.getSimpleName() +
                      " <host> <port> [<first message size>]");
              return;
          }
  
          // Parse options.
          final String host = args[0];
          final int port = Integer.parseInt(args[1]);
          final int firstMessageSize;
  
          if (args.length == 3) {
              firstMessageSize = Integer.parseInt(args[2]);
          } else {
              firstMessageSize = 256;
          }
  
          // Configure the client.
          ClientBootstrap bootstrap = new ClientBootstrap(
                  new NioClientSocketChannelFactory(
                          Executors.newCachedThreadPool(),
                          Executors.newCachedThreadPool()));
  
          // Set up the pipeline factory.
          bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
              public ChannelPipeline getPipeline() throws Exception {
                  return Channels.pipeline(
                          new ObjectEncoder(),
                          new ObjectDecoder(),
                          new ObjectEchoClientHandler(firstMessageSize));
              }
          });
  
          // Start the connection attempt.
          bootstrap.connect(new InetSocketAddress(host, port));
      }
  }