All Static

Monarchy.cs

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

namespace Monarchy {
	public class ObjectFactory {
		static readonly IDictionary<Type, object> Container = new Dictionary<Type, object>();

		public static T Get<T>() {
			return (T) Get(typeof (T));
		}

		public static object Get(Type type) {
			if (Container.ContainsKey(type)) return Container[type];
			ConstructorInfo[] ctors = type.GetConstructors();
			ConstructorInfo largestCtor = ctors.OrderByDescending(c => c.GetParameters().Length).First();
			var args = new object[largestCtor.GetParameters().Length];
			Array.ForEach(largestCtor.GetParameters(), p => { args[p.Position] = Get(p.ParameterType); });
			return Activator.CreateInstance(type, args);
		}

		 public static void Register(object instance) {
			Container[instance.GetType()] = instance;
		}
	}
}