/// <summary>
/// Initializes a new instance of the <see cref="DefaultViewInitializer"/> class.
/// </summary>
/// <param name="initializeMethodSelector">A filter used to decide whether a method can be used to
/// select the Initialize method on a ViewModel.</param>
/// <param name="modelBinders">The model binders.</param>
public DefaultViewInitializer(Func<IEnumerable<MethodInfo>, MethodInfo> initializeMethodSelector, ModelBinderDictionary modelBinders)
{
Guard.ArgumentNotNull(initializeMethodSelector, "initializeMethodSelector");
this.initializeMethodSelector = initializeMethodSelector;
this.modelBinders = modelBinders ?? new ModelBinderDictionary(new DefaultModelBinder());
}
/// <summary>
/// Initializes a new instance of the <see cref="ControllerRouteCatalog"/> class.
/// </summary>
/// <param name="controllerFactory">The controller factory.</param>
/// <param name="viewActivator">The view activator that is used to instantiate views.</param>
public ControllerRouteCatalog(IControllerFactory controllerFactory, IViewActivator viewActivator)
{
Guard.ArgumentNotNull(controllerFactory, "controllerFactory");
this.controllerFactory = controllerFactory;
viewEngines = Framework.ViewEngines.CreateDefaults(viewActivator);
modelBinders = Framework.ModelBinders.CreateDefaults();
handler = new ControllerRouteHandler(this.controllerFactory, viewEngines, modelBinders);
}
/// <summary>
/// Initializes a new instance of the <see cref="ControllerContext"/> class.
/// </summary>
/// <param name="controller">The controller.</param>
/// <param name="request">The request.</param>
/// <param name="viewEngines">The view engines.</param>
/// <param name="modelBinders"></param>
/// <param name="releaseCallback">A callback that is invoked when the current request needs to be
/// cleaned up.</param>
public ControllerContext(IController controller, ResolvedNavigationRequest request, ViewEngineCollection viewEngines, ModelBinderDictionary modelBinders, Action releaseCallback)
{
this.controller = controller;
this.request = request;
this.viewEngines = viewEngines;
this.modelBinders = modelBinders;
this.releaseCallback = releaseCallback;
}
public void ClearCanBeUsedToRemoveAllRegistrations()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
Assert.IsTrue(dictionary.Contains(FakeBinder));
dictionary.Clear();
Assert.IsFalse(dictionary.Contains(FakeBinder));
}
public void ShouldResolveBindersViaInheritance()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(IListSource), FakeBinder);
var binder = dictionary.GetBinder(typeof(DataSet)); // DataSet implements IListSource
Assert.AreSame(FakeBinder, binder);
}
public void RemoveCanBeUsedToUnregister()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
dictionary.Remove(FakeBinder);
dictionary.Add(typeof(DataSet), FakeBinder);
dictionary.Remove(FakeBinder);
dictionary.Add(typeof(DataSet), FakeBinder);
}
public void ShouldResolveBinder()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
var binder = dictionary.GetBinder(typeof(DataSet));
Assert.AreSame(FakeBinder, binder);
}
public void ContainsCanBeUsedToCheckForPriorRegistration()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
Assert.IsFalse(dictionary.Contains(FakeBinder));
dictionary.Add(typeof(DataSet), FakeBinder);
Assert.IsTrue(dictionary.Contains(FakeBinder));
dictionary.Remove(FakeBinder);
Assert.IsFalse(dictionary.Contains(FakeBinder));
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public override void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
var dispatcher = controllerContext.Request.Navigator.Dispatcher;
ThreadPool.QueueUserWorkItem(
delegate
{
Thread.CurrentThread.Name = string.Format("Navigation request: {0}", controllerContext.Request);
try
{
ExecuteBase(controllerContext, actionName, modelBinders);
}
catch (Exception ex)
{
var rethrower = new Rethrower(
string.Format("An exception occurred when attempting to asynchronously execute the request '{0}'. {1}", controllerContext.Request, ex.Message),
ex);
dispatcher.Dispatch(rethrower.RethrowOnDispatchThread);
}
});
}
/// <summary>
/// Executes the action on the controller using the parameters and model binders in the current request.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
/// <returns>
/// The <see cref="ActionResult"/> returned by the controller action.
/// </returns>
public ActionResult Execute(ControllerContext controllerContext, ModelBinderDictionary modelBinders)
{
var arguments = new List<object>();
foreach (var parameterInfo in method.GetParameters())
{
var bindingContext = new ModelBindingContext(parameterInfo.Name, Method, parameterInfo.ParameterType, controllerContext.Request.RouteValues);
var binder = modelBinders.GetBinder(parameterInfo.ParameterType);
var argument = binder.BindModel(controllerContext.Request, bindingContext);
arguments.Add(argument);
}
try
{
var wrapper = DelegateInvoker.CreateInvoker(controller, method);
return (ActionResult) wrapper.Call(arguments.ToArray());
}
catch (Exception ex)
{
TraceSources.MagellanSource.TraceError(ex, "The action '{0}' on controller '{1} threw an exception.", controllerContext.ActionName, controllerContext.ActionName);
throw;
}
}
/// <summary>
/// Executes the action on the controller using the parameters and model binders in the current request.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
/// <returns>
/// The <see cref="ActionResult"/> returned by the controller action.
/// </returns>
public ActionResult Execute(ControllerContext controllerContext, ModelBinderDictionary modelBinders)
{
var arguments = new List <object>();
foreach (var parameterInfo in method.GetParameters())
{
var bindingContext = new ModelBindingContext(parameterInfo.Name, Method, parameterInfo.ParameterType, controllerContext.Request.RouteValues);
var binder = modelBinders.GetBinder(parameterInfo.ParameterType);
var argument = binder.BindModel(controllerContext.Request, bindingContext);
arguments.Add(argument);
}
try
{
var wrapper = DelegateInvoker.CreateInvoker(controller, method);
return((ActionResult)wrapper.Call(arguments.ToArray()));
}
catch (Exception ex)
{
TraceSources.MagellanSource.TraceError(ex, "The action '{0}' on controller '{1} threw an exception.", controllerContext.ActionName, controllerContext.ActionName);
throw;
}
}
private ActionResult ExecuteAction(ControllerContext controllerContext, ModelBinderDictionary modelBinders, string actionName, IActionDescriptor actionDescriptor)
{
var filters = FindActionFilters(actionDescriptor, controllerContext, actionName);
var result = ExecutePreActionFilters(controllerContext, modelBinders, filters);
// If one of the filters gave us a result, we can short-circuit calling the action and skip ahead
if (result != null)
return result;
controllerContext.Request.ReportProgress(new ExecutingActionNavigationEvent());
try
{
// Invoke the action on the controller
result = actionDescriptor.Execute(controllerContext, modelBinders);
}
catch (Exception ex)
{
// Give post-filters a chance to suppress or handle the exception
var errorFilterResult = ExecutePostActionFilters(controllerContext, result, ex, filters);
if (errorFilterResult.ExceptionHandled || errorFilterResult.Exception == null)
return errorFilterResult.Result;
if (ex == errorFilterResult.Exception)
throw;
throw errorFilterResult.Exception;
}
// Give post-filters a chance rewrite the result
var filterResult = ExecutePostActionFilters(controllerContext, result, null, filters);
if (filterResult.ExceptionHandled || filterResult.Exception == null)
return filterResult.Result;
throw filterResult.Exception;
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public virtual void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
try
{
Guard.ArgumentNotNull(controllerContext, "controllerContext");
Guard.ArgumentNotNull(modelBinders, "modelBinders");
Guard.ArgumentNotNullOrEmpty(actionName, "actionName");
controllerContext.Request.ReportProgress(new ResolvingActionNavigationEvent());
var actionDescriptor = FindAction(controllerContext, actionName);
if (actionDescriptor == null)
{
throw new ActionNotFoundException(string.Format("An action by the name '{0}' could not be found on the controller '{1}'. In general, actions should be public instance methods, and should return ActionResult or a derived type. Please ensure the action exists, has a valid signature and the name is spelled correctly.", actionName, controllerContext.Controller.GetType()));
}
var actionResult = ExecuteAction(controllerContext, modelBinders, actionName, actionDescriptor);
ExecuteResult(actionDescriptor, controllerContext, actionName, actionResult);
}
finally
{
controllerContext.Dispose();
TraceSources.MagellanSource.TraceInformation("Request completed: '{0}'.", controllerContext.Request);
}
}
public void MultipleBindersCannotBeRegisteredForSameType()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
Assert.Throws<ArgumentException>(() => dictionary.Add(typeof(DataSet), FakeBinder));
}
public void ShouldAllowModelBindersToBeRegistered()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
}
/// <summary>
/// Initializes a new instance of the <see cref="ActionExecutingContext"/> class.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
public ActionExecutingContext(ControllerContext controllerContext, ModelBinderDictionary modelBinders)
{
this.controllerContext = controllerContext;
this.modelBinders = modelBinders;
}
/// <summary>
/// Invokes all pre-request filters, before the controller has been invoked.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
/// <param name="filters">The filters.</param>
/// <returns></returns>
protected virtual ActionResult ExecutePreActionFilters(ControllerContext controllerContext, ModelBinderDictionary modelBinders, IEnumerable<IActionFilter> filters)
{
controllerContext.Request.ReportProgress(new PreActionFiltersNavigationEvent());
var context = new ActionExecutingContext(controllerContext, modelBinders);
foreach (var filter in filters)
{
filter.OnActionExecuting(context);
if (context.OverrideResult != null)
{
return context.OverrideResult;
}
}
return null;
}
/// <summary>
/// Initializes a new instance of the <see cref="ActionExecutingContext"/> class.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
public ActionExecutingContext(ControllerContext controllerContext, ModelBinderDictionary modelBinders)
{
this.controllerContext = controllerContext;
this.modelBinders = modelBinders;
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public override void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
var dispatcher = controllerContext.Request.Navigator.Dispatcher;
ThreadPool.QueueUserWorkItem(
delegate
{
Thread.CurrentThread.Name = string.Format("Navigation request: {0}", controllerContext.Request);
try
{
ExecuteBase(controllerContext, actionName, modelBinders);
}
catch (Exception ex)
{
var rethrower = new Rethrower(
string.Format("An exception occurred when attempting to asynchronously execute the request '{0}'. {1}", controllerContext.Request, ex.Message),
ex);
dispatcher.Dispatch(rethrower.RethrowOnDispatchThread);
}
});
}
/// <summary>
/// Initializes a new instance of the <see cref="ControllerRouteHandler"/> class.
/// </summary>
/// <param name="controllerFactory">The controller factory.</param>
/// <param name="viewEngines">The view engines.</param>
/// <param name="modelBinders">The model binders.</param>
public ControllerRouteHandler(IControllerFactory controllerFactory, ViewEngineCollection viewEngines, ModelBinderDictionary modelBinders)
{
this.controllerFactory = controllerFactory;
this.modelBinders = modelBinders;
this.viewEngines = viewEngines ?? ViewEngines.CreateDefaults();
}
private void ExecuteBase(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
base.ExecuteAction(controllerContext, actionName, modelBinders);
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultViewInitializer"/> class.
/// </summary>
/// <param name="initializeMethodSelector">A filter used to decide whether a method can be used to
/// select the Initialize method on a ViewModel.</param>
/// <param name="modelBinders">The model binders.</param>
public DefaultViewInitializer(Func <IEnumerable <MethodInfo>, MethodInfo> initializeMethodSelector, ModelBinderDictionary modelBinders)
{
Guard.ArgumentNotNull(initializeMethodSelector, "initializeMethodSelector");
this.initializeMethodSelector = initializeMethodSelector;
this.modelBinders = modelBinders ?? new ModelBinderDictionary(new DefaultModelBinder());
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultViewInitializer"/> class.
/// </summary>
/// <param name="modelBinders">The model binders.</param>
public DefaultViewInitializer(ModelBinderDictionary modelBinders)
: this(DefaultMethodSelector, modelBinders)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultViewInitializer"/> class.
/// </summary>
/// <param name="modelBinders">The model binders.</param>
public DefaultViewInitializer(ModelBinderDictionary modelBinders)
: this(DefaultMethodSelector, modelBinders)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ControllerContext"/> class.
/// </summary>
/// <param name="controller">The controller.</param>
/// <param name="request">The request.</param>
/// <param name="viewEngines">The view engines.</param>
/// <param name="modelBinders"></param>
/// <param name="releaseCallback">A callback that is invoked when the current request needs to be
/// cleaned up.</param>
public ControllerContext(IController controller, ResolvedNavigationRequest request, ViewEngineCollection viewEngines, ModelBinderDictionary modelBinders, Action releaseCallback)
{
this.controller = controller;
this.request = request;
this.viewEngines = viewEngines;
this.modelBinders = modelBinders;
this.releaseCallback = releaseCallback;
}
/// <summary>
/// Initializes a new instance of the <see cref="ViewModelRouteCatalog"/> class.
/// </summary>
/// <param name="factory">The factory.</param>
public ViewModelRouteCatalog(IViewModelFactory factory)
{
Guard.ArgumentNotNull(factory, "factory");
this.factory = factory;
modelBinders = new ModelBinderDictionary(new DefaultModelBinder());
}
public void ShouldRespectExplicitDefaultBinder()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.DefaultModelBinder = FakeBinder;
var binder = dictionary.GetBinder(typeof(int));
Assert.AreSame(FakeBinder, binder);
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public virtual void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
try
{
Guard.ArgumentNotNull(controllerContext, "controllerContext");
Guard.ArgumentNotNull(modelBinders, "modelBinders");
Guard.ArgumentNotNullOrEmpty(actionName, "actionName");
controllerContext.Request.ReportProgress(new ResolvingActionNavigationEvent());
var actionDescriptor = FindAction(controllerContext, actionName);
if (actionDescriptor == null)
{
throw new ActionNotFoundException(string.Format("An action by the name '{0}' could not be found on the controller '{1}'. In general, actions should be public instance methods, and should return ActionResult or a derived type. Please ensure the action exists, has a valid signature and the name is spelled correctly.", actionName, controllerContext.Controller.GetType()));
}
var actionResult = ExecuteAction(controllerContext, modelBinders, actionName, actionDescriptor);
ExecuteResult(actionDescriptor, controllerContext, actionName, actionResult);
}
finally
{
controllerContext.Dispose();
TraceSources.MagellanSource.TraceInformation("Request completed: '{0}'.", controllerContext.Request);
}
}
public void ShouldFallBackToDefaultBinder()
{
var dictionary = new ModelBinderDictionary(new DefaultModelBinder());
dictionary.Add(typeof(DataSet), FakeBinder);
var binder = dictionary.GetBinder(typeof(int));
Assert.IsInstanceOf<DefaultModelBinder>(binder);
}
private void ExecuteBase(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
base.ExecuteAction(controllerContext, actionName, modelBinders);
}
/// <summary>
/// Initializes a new instance of the <see cref="ControllerRouteHandler"/> class.
/// </summary>
/// <param name="controllerFactory">The controller factory.</param>
/// <param name="viewEngines">The view engines.</param>
/// <param name="modelBinders">The model binders.</param>
public ControllerRouteHandler(IControllerFactory controllerFactory, ViewEngineCollection viewEngines, ModelBinderDictionary modelBinders)
{
this.controllerFactory = controllerFactory;
this.modelBinders = modelBinders;
this.viewEngines = viewEngines ?? ViewEngines.CreateDefaults();
}
/// <summary>
/// Invokes all pre-request filters, before the controller has been invoked.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="modelBinders">The model binders.</param>
/// <param name="filters">The filters.</param>
/// <returns></returns>
protected virtual ActionResult ExecutePreActionFilters(ControllerContext controllerContext, ModelBinderDictionary modelBinders, IEnumerable <IActionFilter> filters)
{
controllerContext.Request.ReportProgress(new PreActionFiltersNavigationEvent());
var context = new ActionExecutingContext(controllerContext, modelBinders);
foreach (var filter in filters)
{
filter.OnActionExecuting(context);
if (context.OverrideResult != null)
{
return(context.OverrideResult);
}
}
return(null);
}
