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   /*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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.local;
  
  import org.jboss.netty.bootstrap.ClientBootstrap;
  import org.jboss.netty.bootstrap.ServerBootstrap;
  import org.jboss.netty.channel.ChannelFuture;
  import org.jboss.netty.channel.ChannelPipeline;
  import org.jboss.netty.channel.ChannelPipelineFactory;
  import org.jboss.netty.channel.Channels;
  import org.jboss.netty.channel.local.DefaultLocalClientChannelFactory;
  import org.jboss.netty.channel.local.DefaultLocalServerChannelFactory;
  import org.jboss.netty.channel.local.LocalAddress;
  import org.jboss.netty.example.echo.EchoServerHandler;
  import org.jboss.netty.handler.codec.string.StringDecoder;
  import org.jboss.netty.handler.codec.string.StringEncoder;
  import org.jboss.netty.handler.logging.LoggingHandler;
  import org.jboss.netty.logging.InternalLogLevel;
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  
  public final class LocalExample {
  
      static final String PORT = System.getProperty("port", "test_port");
  
      public static void main(String[] args) throws Exception {
          // Address to bind on / connect to.
          LocalAddress socketAddress = new LocalAddress(PORT);
  
          // Create the bootstraps for both client and server side.
          ServerBootstrap sb = new ServerBootstrap(new DefaultLocalServerChannelFactory());
          ClientBootstrap cb = new ClientBootstrap(new DefaultLocalClientChannelFactory());
  
          try {
              // Set up the default server-side event pipeline.
              EchoServerHandler handler = new EchoServerHandler();
              sb.getPipeline().addLast("handler", handler);
  
              // Start up the server.
              sb.bind(socketAddress);
  
              // Set up the client-side pipeline factory.
              cb.setPipelineFactory(new ChannelPipelineFactory() {
                  public ChannelPipeline getPipeline() {
                      return Channels.pipeline(
                              new StringDecoder(),
                              new StringEncoder(),
                              new LoggingHandler(InternalLogLevel.INFO));
                  }
              });
  
              // Make the connection attempt to the server.
              ChannelFuture channelFuture = cb.connect(socketAddress);
              channelFuture.sync();
  
              // Read commands from the stdin.
              System.err.println("Enter text (quit to end)");
              ChannelFuture lastWriteFuture = null;
              BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
              for (;;) {
                  String line = in.readLine();
                  if (line == null || "quit".equalsIgnoreCase(line)) {
                      break;
                  }
  
                  // Sends the received line to the server.
                  lastWriteFuture = channelFuture.getChannel().write(line);
              }
  
              // Wait until all messages are flushed before closing the channel.
              if (lastWriteFuture != null) {
                  lastWriteFuture.sync();
              }
              channelFuture.getChannel().close();
  
              // Wait until the connection is closed or the connection attempt fails.
              channelFuture.getChannel().getCloseFuture().sync();
          } finally {
              // Release all resources used by the local transport.
              cb.releaseExternalResources();
              sb.releaseExternalResources();
          }
      }
  }