AggregateServiceGenerator.cs :  » Inversion-of-Control-Dependency-Injection » Autofac » AutofacContrib » AggregateService » C# / CSharp Open Source

using System;
using Autofac;
using Castle.Core.Interceptor;
using Castle.DynamicProxy;

namespace AutofacContrib.AggregateService{
    public static class AggregateServiceGenerator
    {
        private static readonly ProxyGenerator Generator;

        static AggregateServiceGenerator()
        {
            Generator = new ProxyGenerator();
        }

        public static object CreateInstance<TAggregateServiceInterface>(IComponentContext context)
        {
            return CreateInstance(typeof (TAggregateServiceInterface), context);
        }

        public static object CreateInstance(Type interfaceType, IComponentContext context)
        {
            if (interfaceType == null) throw new ArgumentNullException("interfaceType");
            if (!interfaceType.IsInterface) throw new ArgumentException("Type must be an interface", "interfaceType");

            var resolverInterceptor = new ResolvingInterceptor(interfaceType, context);
            return Generator.CreateInterfaceProxyWithoutTarget(interfaceType, resolverInterceptor);
        }
    }
}