Integrating WCF Services

using System;
using System.Collections.Generic;
using System.Text;
using System.ServiceModel.Description;
using Integrator.Framework.DynamicProxyModel;

namespace Integrator.Framework.ServiceManagerModel
{
    public class ServiceManager
    {
        private static ServiceManager manager = null;
        private ServiceProxyList serviceInfoList = null;

        private ServiceManager()
        {
            this.serviceInfoList = new ServiceProxyList();
        }

        public static ServiceManager Instance()
        {
            if (manager == null)
            {
                manager = new ServiceManager();
            }

            return manager;
        }

        public ServiceProxy AddService(string serviceWsdlUri, string contractName)
        {
            DynamicProxyFactory factory = new DynamicProxyFactory(serviceWsdlUri);

            ServiceProxy serviceProxy = new ServiceProxy(factory.CreateProxy(contractName), contractName);
            this.serviceInfoList.Add(serviceProxy);
            
            return serviceProxy;
        }

        public ServiceProxyList AddService(string serviceWsdlUri)
        {
            DynamicProxyFactory factory = new DynamicProxyFactory(serviceWsdlUri);
            ServiceProxyList proxies = new ServiceProxyList();

            foreach (ContractDescription description in factory.Contracts)
            {
                ServiceProxy serviceProxy = new ServiceProxy(factory.CreateProxy(description.Name), description.Name);
                this.serviceInfoList.Add(serviceProxy);
                proxies.Add(serviceProxy);
            }            

            return proxies;
        }
    }
}