Created
July 22, 2011 22:48
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Monarchy Refactored
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using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Reflection; | |
namespace Monarchy { | |
public class ObjectFactory { | |
static readonly IDictionary<Type, Func<object>> Container = new Dictionary<Type, Func<object>>(); | |
public T Get<T>() { | |
return (T) Get(typeof (T)); | |
} | |
public 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 void Register<T>(Func<T> factory) where T : class { | |
Container[typeof (T)] = factory; | |
} | |
public void Register<T, TResolved>() { | |
Container[typeof (T)] = () => Get<TResolved>(); | |
} | |
} | |
} |
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