我已根据http://ialekseev.blogspot.co.uk/2012/10/dependency-injection-in-aspnet-mvc-3.html创建了一个自定义ControllerActionInvoker,因此Castle.Windsor可以解决自定义操作中的依赖关系。
我注意到,即使我在控制器工厂中明确解析了ControllerActionInvoker,当我使用Glimpse时,它实际上并没有被执行:
public class WindsorControllerFactory : DefaultControllerFactory
{
private readonly IKernel kernel;
public WindsorControllerFactory(IKernel kernel)
{
this.kernel = kernel;
}
public override void ReleaseController(IController controller)
{
kernel.ReleaseComponent(controller);
}
protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType)
{
if (controllerType == null)
{
throw new HttpException(404, string.Format("The controller for path '{0}' could not be found.", requestContext.HttpContext.Request.Path));
}
var controller = kernel.Resolve(controllerType) as Controller;
// Resolve new action invoker
if (controller != null)
{
controller.ActionInvoker = kernel.Resolve<IActionInvoker>();
}
return controller;
}
}
继承我的动作调用者使用扩展方法来注入属性:
public class WindsorActionInvoker : ControllerActionInvoker
{
private readonly IKernel kernel;
public WindsorActionInvoker(IKernel kernel)
{
this.kernel = kernel;
}
protected override ActionExecutedContext InvokeActionMethodWithFilters(
ControllerContext controllerContext,
IList<IActionFilter> filters,
ActionDescriptor actionDescriptor,
IDictionary<string, object> parameters)
{
foreach (IActionFilter actionFilter in filters)
{
// Extension method
kernel.InjectProperties(actionFilter);
}
return base.InvokeActionMethodWithFilters(controllerContext, filters, actionDescriptor, parameters);
}
}
因此,现在我看到我的行为中出现的对象引用错误,我期待Castle.Windsor注入:
public class CheckCountryFilter : ActionFilterAttribute
{
public IAppSettings Settings { get; set; }
public ILookupService LookupService { get; set; }
public ILogger Logger { get; set; }
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// Logger is null!
if (Logger.IsDebugEnabled)
我认为Glimpse在某种程度上代理了控制器.ActionInvoker,用自己的替换我的?
我可以通过我的自定义ControllerActionInvoker让Glimpse玩得很好吗?
奇怪的是,Glimple第一次参加了比赛,但现在我已经遇到了这些错误!
在GitHub上发现了一个帖子 - https://github.com/Glimpse/Glimpse/issues/328 - 似乎报告了类似的问题。 通过忽略ExecutionInspector,Glimpse可以正常工作,我的调用程序可以解决依赖关系,但我显然失去了Glimpse的大量有用信息!
这是我唯一的选择吗?