Ruby HTTP POST request containing XML content

post_xml.rb

require 'net/http'

def post_xml url_string, xml_string
  uri = URI.parse url_string
  request = Net::HTTP::Post.new uri
  request.body = xml_string
  request.content_type = 'text/xml'
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == 'https')
  response = http.request request
  response.body
end