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Posting xml data to url not in the browser for Ezpprints in Rails

Rails Posting xml data to url not the browser?

##Add this one
require 'net/https'
require 'rexml/document'
##Posting xml data to url in rails
xml = xml = "<?xml version='1.0' encoding='UTF-8'?>
        <user>
         <firstname>#{@user.first_name}</firstname>
         <address1>#{@user.address}</address1>
         <city>#{@user.city}</city>
         <state>#{@user.state}</state>
         <zip>#{@user.zip}</zip>
         <countrycode>#{@user.country}</countrycode>
         <phone>#{@user.phone}</phone>
        </user>"
http://www.test.com -->This is not a URL you can navigate to in a browser. It will only be accessible with an XML post.
1)url = URI.parse('http://www.test.com')
2)request = Net::HTTP::Post.new(url.path)
3)request.content_type = 'text/xml'
4)request.body = xml
5)response = Net::HTTP.start(url.host, url.port) {|http| http.request(request)}
6)res = response.body
our response is like
"<?xml version="1.0"?>
<shippingOptions>
  <order orderid="1234">
     <option type="FC" price="9.95" shippingMethod="USFC" description="Economy to United States"/>
     <option type="PM" price="9.95" shippingMethod="USPM" description="Express to United States"/>
     <option type="SD" price="15.95" shippingMethod="USSD"
        description="Second Business Day to United States"/>
     <option type="ON" price="23.95" shippingMethod="OVNT"
        description="Next Business Day to United States"/>
  </order>
</shippingOptions>"
###for getting the values of xml for response
7)res= document
8)doc = REXML::XPath.each(document, "*//option type") { |element|
    type = element.attributes["type"]
    cost =  element.attributes["price"]
    a = Array.new
    method =  element.attributes["shippingMethod"]
    description =  element.attributes["description"]
   a << {:id => type,
        :service => method,
        :price => cost   }
9) p a.inspect

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