/*
    * 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.channel.socket.http;
  
  import java.net.SocketAddress;
  
  import org.jboss.netty.buffer.ChannelBuffer;
  import org.jboss.netty.channel.AbstractChannelSink;
  import org.jboss.netty.channel.ChannelEvent;
  import org.jboss.netty.channel.ChannelFuture;
  import org.jboss.netty.channel.ChannelPipeline;
  import org.jboss.netty.channel.ChannelState;
  import org.jboss.netty.channel.ChannelStateEvent;
  import org.jboss.netty.channel.MessageEvent;
  
  /**
   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
   * @author Andy Taylor (andy.taylor@jboss.org)
   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
   */
  final class HttpTunnelingClientSocketPipelineSink extends AbstractChannelSink {
  
      HttpTunnelingClientSocketPipelineSink() {
          super();
      }
  
      public void eventSunk(
              ChannelPipeline pipeline, ChannelEvent e) throws Exception {
          HttpTunnelingClientSocketChannel channel = (HttpTunnelingClientSocketChannel) e.getChannel();
          ChannelFuture future = e.getFuture();
          if (e instanceof ChannelStateEvent) {
              ChannelStateEvent stateEvent = (ChannelStateEvent) e;
              ChannelState state = stateEvent.getState();
              Object value = stateEvent.getValue();
              switch (state) {
              case OPEN:
                  if (Boolean.FALSE.equals(value)) {
                      channel.closeReal(future);
                  }
                  break;
              case BOUND:
                  if (value != null) {
                      channel.bindReal((SocketAddress) value, future);
                  } else {
                      channel.unbindReal(future);
                  }
                  break;
              case CONNECTED:
                  if (value != null) {
                      channel.connectReal((SocketAddress) value, future);
                  } else {
                      channel.closeReal(future);
                  }
                  break;
              case INTEREST_OPS:
                  channel.setInterestOpsReal(((Integer) value).intValue(), future);
                  break;
              }
          } else if (e instanceof MessageEvent) {
              channel.writeReal(((ChannelBuffer) ((MessageEvent) e).getMessage()), future);
          }
      }
  }