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    1   /*
    2    * Copyright 2010 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.securechat;
    17
    18  import static org.jboss.netty.channel.Channels.*;
    19
    20  import javax.net.ssl.SSLEngine;
    21
    22  import org.jboss.netty.channel.ChannelPipeline;
    23  import org.jboss.netty.channel.ChannelPipelineFactory;
    24  import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder;
    25  import org.jboss.netty.handler.codec.frame.Delimiters;
    26  import org.jboss.netty.handler.codec.string.StringDecoder;
    27  import org.jboss.netty.handler.codec.string.StringEncoder;
    28  import org.jboss.netty.handler.ssl.SslHandler;
    29
    30  /**
    31   * Creates a newly configured {@link ChannelPipeline} for a new channel.
    32   *
    33   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    34   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    35   *
    36   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    37   *
    38   */
    39  public class SecureChatClientPipelineFactory implements
    40          ChannelPipelineFactory {
    41
    42      public ChannelPipeline getPipeline() throws Exception {
    43          ChannelPipeline pipeline = pipeline();
    44
    45          // Add SSL handler first to encrypt and decrypt everything.
    46          // In this example, we use a bogus certificate in the server side
    47          // and accept any invalid certificates in the client side.
    48          // You will need something more complicated to identify both
    49          // and server in the real world.
    50
    51          SSLEngine engine =
    52              SecureChatSslContextFactory.getClientContext().createSSLEngine();
    53          engine.setUseClientMode(true);
    54
    55          pipeline.addLast("ssl", new SslHandler(engine));
    56
    57          // On top of the SSL handler, add the text line codec.
    58          pipeline.addLast("framer", new DelimiterBasedFrameDecoder(
    59                  8192, Delimiters.lineDelimiter()));
    60          pipeline.addLast("decoder", new StringDecoder());
    61          pipeline.addLast("encoder", new StringEncoder());
    62
    63          // and then business logic.
    64          pipeline.addLast("handler", new SecureChatClientHandler());
    65
    66          return pipeline;
    67      }
    68  }