protected override void ExecuteCore()
{
var queryString = HttpContext.Request.QueryString;
if (queryString.Keys.Count > 0 && String.Equals(queryString.GetValues(0).First(), "json", StringComparison.OrdinalIgnoreCase))
{
ActionInvoker.InvokeAction(ControllerContext, "Internal::Proxy");
return;
}
// This is where the proxy places the action.
string action = HttpContext.Request.Headers["x-mvc-action"] ?? HttpContext.Request.QueryString["action"];
if (!RouteData.Values.ContainsKey("action") && !String.IsNullOrEmpty(action))
{
RouteData.Values.Add("action", action);
}
if (RouteData.Values.ContainsKey("action"))
{
base.ExecuteCore();
return;
}
ActionInvoker.InvokeAction(ControllerContext, "Internal::ProxyDefinition");
}
public virtual void Execute(HttpRequestContext requestContext)
{
if (ActionInvoker != null)
{
ActionInvoker.InvokeAction(new ControllerContext(requestContext, this), requestContext.Action);
}
}
protected override IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
var queryString = HttpContext.Request.QueryString;
if (queryString.Keys.Count > 0 && String.Equals(queryString.GetValues(0).First(), "json", StringComparison.OrdinalIgnoreCase))
{
ActionInvoker.InvokeAction(ControllerContext, "Internal::Proxy");
return(new CompletedAsyncResult()
{
AsyncState = state
});
}
// This is where the proxy places the action.
string action = HttpContext.Request.Headers["x-mvc-action"] ?? HttpContext.Request.QueryString["action"];
if (!RouteData.Values.ContainsKey("action") && !String.IsNullOrEmpty(action))
{
RouteData.Values.Add("action", action);
}
if (RouteData.Values.ContainsKey("action"))
{
return(base.BeginExecuteCore(callback, state));
}
else
{
ActionInvoker.InvokeAction(ControllerContext, "Internal::ProxyDefinition");
return(new CompletedAsyncResult()
{
AsyncState = state
});
}
}
protected override void ExecuteCore()
{
ControllerContext.RouteData.Values["action"] = GetControllerName();
ControllerContext.RouteData.Values["controller"] = GetNamespace();
bool succeeded = ActionInvoker.InvokeAction(ControllerContext, CANONICAL_ACTION_NAME);
if (!succeeded)
{
HandleUnknownAction(CANONICAL_ACTION_NAME);
}
}
protected override void ExecuteCore()
{
if (ControllerContext.RouteData.Route is DiscoverableRoute)
{
ActionInvoker.InvokeAction(ControllerContext, "DiscoverControllerActions");
}
else
{
base.ExecuteCore();
}
}
protected override void ExecuteCore() {
TempData.Load(ControllerContext, TempDataProvider);
try {
string actionName = RouteData.GetRequiredString("action");
if (!ActionInvoker.InvokeAction(ControllerContext, actionName)) {
HandleUnknownAction(actionName);
}
}
finally {
TempData.Save(ControllerContext, TempDataProvider);
}
}
protected override IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
if (RouteData.Values.ContainsKey("action"))
{
return(base.BeginExecuteCore(callback, state));
}
ActionInvoker.InvokeAction(ControllerContext, AjaxActionInvoker.AjaxProxyAction);
return(new CompletedAsyncResult()
{
AsyncState = state
});
}
private HttpResponse Process(HttpRequest request)
{
if (request.Method.ToLower() == "options")
{
var routes =
Assembly.GetEntryAssembly()
.GetTypes()
.Where(x => x.Name.EndsWith("Controller") && typeof(Controller).IsAssignableFrom(x))
.Select(
x => new { x.Name, Methods = x.GetMethods().Where(m => m.ReturnType == typeof(IActionResult)) })
.SelectMany(
x =>
x.Methods.Select(
m =>
string.Format("/{0}/{1}/{{parameter}}", x.Name.Replace("Controller", string.Empty), m.Name)))
.ToList();
return(new HttpResponse(request.ProtocolVersion, HttpStatusCode.OK, string.Join(Environment.NewLine, routes)));
}
else if (new StaticFileHandler().CanHandle(request))
{
return(new StaticFileHandler().Handle(request));
}
else if (request.ProtocolVersion.Major <= 3)
{
HttpResponse response;
try
{
var controller = CreateController(request);
var actionInvoker = new ActionInvoker();
var actionResult = actionInvoker.InvokeAction(controller, request.Action);
response = actionResult.GetResponse();
}
catch (HttpNotFound exception)
{
response = new HttpResponse(request.ProtocolVersion, HttpStatusCode.NotFound, exception.Message);
}
catch (Exception exception)
{
response = new HttpResponse(request.ProtocolVersion, HttpStatusCode.InternalServerError, exception.Message);
}
return(response);
}
else
{
return(new HttpResponse(request.ProtocolVersion, HttpStatusCode.NotImplemented, "Request cannot be handled."));
}
}
//看到这可以大致猜出来。最重要的三个对象 可能就是 controllerContext routeData actionInvoker
//那我们来各个击破
//在进入了确定的controller之后，就是通过actionInvoker来执行方法了
protected override void ExecuteCore()
{
// If code in this method needs to be updated, please also check the BeginExecuteCore() and
// EndExecuteCore() methods of AsyncController to see if that code also must be updated.
PossiblyLoadTempData();
try {
string actionName = RouteData.GetRequiredString("action");
if (!ActionInvoker.InvokeAction(ControllerContext, actionName))
{
HandleUnknownAction(actionName);
}
}
finally {
PossiblySaveTempData();
}
}
protected override void ExecuteCore()
{
if (NavigationSection == null)
{
object routeNavigationSection = ControllerContext.RouteData.Values["navigationSection"];
NavigationSection = routeNavigationSection == null ? null : routeNavigationSection.ToString();
}
CurrentAction = ControllerContext.RouteData.Values["action"].ToString();
CurrentController = ControllerContext.RouteData.Values["controller"].ToString();
ControllerContext.RouteData.Values["action"] = GetControllerName();
ControllerContext.RouteData.Values["controller"] = GetNamespace();
bool succeeded = ActionInvoker.InvokeAction(ControllerContext, CANONICAL_ACTION_NAME);
if (!succeeded)
{
HandleUnknownAction(CANONICAL_ACTION_NAME);
}
}
//
// GET: /Base/
protected override void OnException(ExceptionContext filterContext)
{
var excepton = filterContext.Exception;
if (this.GetType().GetMethod(RouteData.Route.GetRouteData(this.HttpContext).Values["action"].ToString()).ReturnType == typeof(JsonResult))
{
ModelState.AddModelError("DomainError", excepton.Message);
filterContext.ExceptionHandled = true;
ActionInvoker.InvokeAction(filterContext.Controller.ControllerContext, "DomainError");
}
if (this.GetType().GetMethod(RouteData.Route.GetRouteData(this.HttpContext).Values["action"].ToString()).ReturnType != typeof(JsonResult))
{
// 标记异常已处理
filterContext.ExceptionHandled = true;
// 跳转到错误页
filterContext.Result = new RedirectResult(Url.Action("Error", "Shared"));
filterContext.HttpContext.Response.Redirect("/Shared/Error");
}
}
protected override void ExecuteCore()
{
if (!ControllerContext.IsChildAction)
{
base.TempData.Load(ControllerContext, TempDataProvider);
}
try
{
if (!ActionInvoker.InvokeAction(ControllerContext, "execute"))
{
HandleUnknownAction("execute");
}
}
finally
{
if (!ControllerContext.IsChildAction)
{
base.TempData.Save(ControllerContext, TempDataProvider);
}
}
}
protected override void ExecuteCore()
{
if (!ControllerContext.IsChildAction)
{
TempData.Load(ControllerContext, TempDataProvider);
}
try
{
string httpMethod = ControllerContext.IsChildAction ? "Get" : ControllerContext.HttpContext.Request.HttpMethod;
if (!ActionInvoker.InvokeAction(ControllerContext, httpMethod) && !ActionInvoker.InvokeAction(ControllerContext, "Execute"))
{
HandleUnknownAction(httpMethod);
}
}
finally
{
if (!ControllerContext.IsChildAction)
{
TempData.Save(ControllerContext, TempDataProvider);
}
}
}
public bool DoInvokeAction(string action)
{
return(ActionInvoker.InvokeAction(ControllerContext, action));
}
protected override void HandleUnknownAction(string actionName)
{
iscatch = true;
ActionInvoker.InvokeAction(ControllerContext, "_catch");
}
protected virtual void Execute()
{
ActionInvoker.InvokeAction(this.ActionContext, this.Action);
}
private HttpResponse Process(HttpRequest request)
{
if (request.Method.ToLower() == "head")
{
return new HttpResponse(request.ProtocolVersion, HttpStatusCode.OK, string.Empty);
}
if (request.Method.ToLower() == "options")
{
var routes =
Assembly.GetEntryAssembly()
.GetTypes()
.Where(x => x.Name.EndsWith("Controller") && typeof(Controller).IsAssignableFrom(x))
.Select(
x =>
new
{
x.Name,
Methods = x.GetMethods().Where(m => m.ReturnType == typeof(IActionResult))
})
.SelectMany(
x => x.Methods.Select(
m => string.Format(
"/{0}/{1}/{{parameter}}",
x.Name.Replace("Controller", string.Empty),
m.Name)))
.ToList();
return new HttpResponse(request.ProtocolVersion, HttpStatusCode.OK, string.Join(Environment.NewLine, routes));
}
if (new StaticFileHandler().CanHandle(request))
{
return new StaticFileHandler().Handle(request);
}
if (request.ProtocolVersion.Major <= 3)
{
HttpResponse response;
try
{
var controller = this.CreateController(request);
var actionInvoker = new ActionInvoker();
var actionResult = actionInvoker.InvokeAction(controller, request.Action);
response = actionResult.GetResponse();
}
catch (HttpNotFoundException exception)
{
response = new HttpResponse(request.ProtocolVersion, HttpStatusCode.NotFound, exception.Message);
}
catch (Exception exception)
{
response = new HttpResponse(request.ProtocolVersion, HttpStatusCode.InternalServerError, exception.Message);
}
return response;
}
return new HttpResponse(request.ProtocolVersion, HttpStatusCode.NotImplemented, "Request cannot be handled.");
}
public override void Execute()
{
String actionName = ControllerContext.RouteData.GetRequiredString("Action");
ActionInvoker.InvokeAction(ControllerContext, actionName);
}
/// <inheritDoc/>
protected override void HandleUnknownAction(string actionName)
{
ActionInvoker.InvokeAction(ControllerContext, "Index");
}
protected override void ExecuteCore(string action)
{
ActionInvoker.InvokeAction(Type, action);
}