Register typeof T with named services

NameRegistrationFactory.cs

using System;
using System.Collections.Generic;
using System.Reflection;

namespace CallCosting.Reporting
{
    public class ReportFactory
    {
        public ReportFactory()
        {
            Register(Assembly.GetExecutingAssembly());
        }

        private static readonly Dictionary<string, Type> Registrations = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);

        /// <summary>
        /// Scan and register all specified assemblies after report .
        /// </summary>
        private void Register(params Assembly[] assemblies)
        {
            var reportType = typeof(IReport);
            foreach (var assembly in assemblies)
            {
                foreach (var type in assembly.GetTypes())
                {
                    if (!reportType.IsAssignableFrom(type) )
                        continue;
                    Registrations.Add(type.Name, type);
                }
            }
        }

        /// <summary>
        /// Create some report!
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public IReport Create(string name)
        {
            Type type;
            if (!Registrations.TryGetValue(name, out type))
                throw new ArgumentException("Failed to find report named '" + name + "'.");
            return (IReport)Activator.CreateInstance(type);            
        }
    }
}