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Selenium automates browsers. That's it! What you do with that power is entirely up to you.

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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC 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
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.safari;

import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.handler.codec.http.HttpChunkAggregator;
import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
import org.jboss.netty.handler.codec.http.HttpResponseEncoder;

import java.util.concurrent.BlockingQueue;

class SafariDriverPipelineFactory implements ChannelPipelineFactory {

  private final int port;
  private final BlockingQueue connectionQueue;
  private final ChannelGroup channelGroup;

  SafariDriverPipelineFactory(int port,
      BlockingQueue connectionQueue,
      ChannelGroup channelGroup) {
    this.port = port;
    this.connectionQueue = connectionQueue;
    this.channelGroup = channelGroup;
  }

  @Override
  public ChannelPipeline getPipeline() throws Exception {
    ChannelPipeline pipeline = Channels.pipeline();
    pipeline.addLast("connection handler", new ConnectionHandler());
    pipeline.addLast("decoder", new HttpRequestDecoder());
    pipeline.addLast("aggregator", new HttpChunkAggregator(65536));
    pipeline.addLast("encoder", new HttpResponseEncoder());
    pipeline.addLast("handler", new SafariDriverChannelHandler(port, connectionQueue));
    return pipeline;
  }

  private class ConnectionHandler extends SimpleChannelUpstreamHandler {

    @Override
    public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) {
      channelGroup.add(e.getChannel());
      ctx.sendUpstream(e);
    }
  }
}