ActionProviders

ActionInvoker.cs

using System.Web.Mvc;

namespace ActionProviders
{
    /// <summary>
    /// The extended controller actions invoker, using other than controllers action providers.
    /// </summary>
    public class ActionInvoker : ControllerActionInvoker
    {
        private readonly IActionProvider[] _actionProviders;

        public ActionInvoker(IActionProvider[] actionProviders)
        {
            _actionProviders = actionProviders;
        }

        protected override ActionDescriptor FindAction(ControllerContext ctx, ControllerDescriptor descriptor, string actionName)
        {
            var result = base.FindAction(ctx, descriptor, actionName);
            if (result != null)
                return result;

            // not found, search through providers
            foreach (var provider in _actionProviders)
            {
                result = provider.FindAction(ctx, descriptor, actionName);
                if (result != null)
                    return result;
            }

            return null;
        }
    }
}

ControllerFactory.cs

using System;
using System.Web.Mvc;
using System.Web.Routing;
using Castle.Windsor;

namespace ActionProviders
{
    public class ControllerFactory : DefaultControllerFactory
    {
        private readonly IWindsorContainer _container;
        private readonly IActionInvoker _invoker;

        public ControllerFactory(IWindsorContainer container, IActionInvoker invoker)
        {
            _container = container;
            _invoker = invoker;
        }

        protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType)
        {
            try
            {
                var controller = (Controller)_container.Resolve(controllerType);
                controller.ActionInvoker = _invoker;
                return controller;
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException("The controller of type " + controllerType.FullName + " could not be instantiated.", ex);
            }
        }

        public override void ReleaseController(IController controller)
        {
            _container.Release(controller);
        }
    }
}

IActionProvider.cs

using System.Web.Mvc;

namespace ActionProviders
{
    /// <summary>
    /// The interface for objects, which can provide an action where none matching is found onto a controller.
    /// </summary>
    public interface IActionProvider
    {
        ActionDescriptor FindAction(ControllerContext ctx, ControllerDescriptor descriptor, string actionName);
    }
}