gistfile1.txt

require 'rubygems'
require 'eventmachine'
require 'nokogiri'
require 'net/http'
require 'uri'
require 'yajl'
require 'active_support/core_ext'
require 'yaml'
require 'logger'
require 'securerandom'
require 'net/http/persistent'

$config = YAML::load(File.open(File.expand_path('../../config/config.yml', __FILE__)))
module XMLtoWeb
    
  def post_init
  end

  def receive_data(data)
    begin
      xml_request = ''
      @query ||= BufferedTokenizer.new("</xml_request>")
      @query.extract(data).each do |msg|
        xml_request << msg
        xml_request << "</xml_request>"
      end

      if xml_request.present?
        request = parse_xml(xml_request)
        json_parser = Yajl::Parser.new
        response = json_parser.parse(send_GET(request))
        xml_response = XML_response(request, response)
        send_data xml_response
        close_connection_after_writing
      end
    rescue => ex
      send_data "#{$!}"
      close_connection_after_writing
    end
  end
  
  def parse_xml(xml)
    #parse some xml
  end
  
  def send_GET(request)
    #call web service and get back JSON
  end
  
  def XML_response(request, response)
    #build XML response from parsed JSON response
  end
  
end

EM.run{
  EM.start_server($config["listen_on_ip"], $config["listen_on_port"].to_i, XMLtoWeb)
}