Savon 1.x example with WDSL

gistfile1.rb

gem 'savon', "~>1.0"
require 'savon'

class GetXRate
  def initialize
    Savon.configure do |c|
      c.log = false
    end

    HTTPI.log = false

    @client = Savon::Client.new do
      wsdl.document = "http://www.webservicex.com/CurrencyConvertor.asmx?wsdl"
    end
    @client.http.read_timeout = 300

  end

  def get_x_rate(from_curr, to_curr)
    response = @client.request :wsdl, :conversion_rate do
      soap.body = {
        "FromCurrency" => from_curr,
        "ToCurrency" => to_curr
      }
    end    
    response.to_hash[:conversion_rate_response][:conversion_rate_result];
  end
end

xrate = GetXRate.new

print "USD to EUR=", xrate.get_x_rate('USD', 'EUR'), "\n"
print "EUR to USD=", xrate.get_x_rate('EUR', 'USD'), "\n"
print "CAD to USD=", xrate.get_x_rate('CAD', 'USD'), "\n"
print "EUR to CAD=", xrate.get_x_rate('EUR', 'CAD'), "\n"