Automating Windows Applications Using the WCF Equipped Injected Component

using System;
using System.Collections.Generic;
using System.Text;
using System.ServiceModel;
using System.ServiceModel.Description;

namespace SvcHost
{
    /// <summary>
    /// Client class provides proxy for server connection.
    /// </summary>
    public class Client
    {
        /// <summary>
        /// Method creates proxy by its endpoint URI resolving server metadata.
        /// </summary>
        public static IT ConnectTo<IT>(string endpointAddressUri) where IT : class
        {
            IT proxy = null;
            string err = null;
            ServiceEndpointCollection endpoints = null;

            string realAddress = ExtractAddress(endpointAddressUri); //Igor

            try
            {
                //Igor
                endpoints = MetadataResolver.Resolve(typeof(IT), 
                    new EndpointAddress(GetProperMexEndpointAddress(endpointAddressUri)));
            }
            catch (Exception e)
            {
                err = e.Message;
            }

            if (null == err)
                foreach (ServiceEndpoint endpoint in endpoints)
                {
                    try
                    {
                        proxy = new ChannelFactory<IT>(endpoint.Binding, 
                            new EndpointAddress(endpoint.Address.Uri.AbsoluteUri.Replace("localhost", realAddress)))
                            .CreateChannel(); //Igor
                        break;
                    }
                    catch
                    {
                    }
                }

            return proxy;
        }

        //Igor
        private static string GetProperMexEndpointAddress(string uri)
        {
            return string.Format("{0}{1}Mex", uri, uri[uri.Length - 1] == '/' ? string.Empty : "/");
        }

        //Igor
        private static string ExtractAddress(string uri)
        {
            return uri.Split(new char[] { ':' })[1].Replace("//", string.Empty);
        }
    }
}