/// <summary>
/// Initializes a new instance of the <see cref="ResultExecutedContext"/> class.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="result">The result.</param>
/// <param name="exception">An exception that may have been thrown.</param>
public ResultExecutedContext(ControllerContext controllerContext, ActionResult result, Exception exception)
{
this.result = result;
Exception = exception;
this.controllerContext = controllerContext;
}
/// <summary>
/// Initializes a new instance of the <see cref="ResultExecutingContext"/> class.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="result">The result.</param>
public ResultExecutingContext(ControllerContext controllerContext, ActionResult result)
{
Result = result;
this.controllerContext = controllerContext;
}
/// <summary>
/// Invokes all post-request filters after the controller has been invoked.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="result">The result.</param>
/// <param name="ex">The ex.</param>
/// <param name="filters">The filters.</param>
/// <returns></returns>
protected virtual ActionExecutedContext ExecutePostActionFilters(ControllerContext controllerContext, ActionResult result, Exception ex, IEnumerable<IActionFilter> filters)
{
controllerContext.Request.ReportProgress(new PostActionFiltersNavigationEvent());
var executedContext = new ActionExecutedContext(controllerContext, result, ex);
foreach (var filter in filters)
{
filter.OnActionExecuted(executedContext);
}
return executedContext;
}
/// <summary>
/// Invokes all pre-result filters, before the result has been invoked.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="result">The result.</param>
/// <param name="resultFilters">The result filters.</param>
/// <returns></returns>
protected virtual ResultExecutingContext ExecutePreResultFilters(ControllerContext controllerContext, ActionResult result, IEnumerable<IResultFilter> resultFilters)
{
controllerContext.Request.ReportProgress(new PreResultFiltersNavigationEvent());
var context = new ResultExecutingContext(controllerContext, result);
foreach (var filter in resultFilters)
{
filter.OnResultExecuting(context);
if (context.Cancel)
{
return context;
}
}
return context;
}
/// <summary>
/// Invokes all post-result filters, after the result has been invoked.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionResult">The action result.</param>
/// <param name="exception">The exception.</param>
/// <param name="resultFilters">The result filters.</param>
/// <returns></returns>
protected virtual ResultExecutedContext ExecutePostResultFilters(ControllerContext controllerContext, ActionResult actionResult, Exception exception, IEnumerable<IResultFilter> resultFilters)
{
controllerContext.Request.ReportProgress(new PostResultFiltersNavigationEvent());
var context = new ResultExecutedContext(controllerContext, actionResult, exception);
foreach (var filter in resultFilters)
{
filter.OnResultExecuted(context);
}
return context;
}
private void ExecuteResult(IActionDescriptor actionDescriptor, ControllerContext controllerContext, string actionName, ActionResult actionResult)
{
if (actionResult == null)
return;
var resultFilters = FindResultFilters(actionDescriptor, controllerContext, actionName);
var preResultContext = ExecutePreResultFilters(controllerContext, actionResult, resultFilters);
if (preResultContext.Cancel)
return;
actionResult = preResultContext.Result;
controllerContext.Request.ReportProgress(new ExecutingResultNavigationEvent());
try
{
actionResult.Execute(controllerContext);
}
catch (Exception ex)
{
var errorResult = ExecutePostResultFilters(controllerContext, actionResult, ex, resultFilters);
if (errorResult.ExceptionHandled || errorResult.Exception == null)
return;
if (errorResult.Exception == ex)
throw;
throw errorResult.Exception;
}
var successResult = ExecutePostResultFilters(controllerContext, actionResult, null, resultFilters);
if (successResult.ExceptionHandled || successResult.Exception == null)
return;
throw successResult.Exception;
}
