/// <summary>
/// Gets a default error presentation to display to the user.
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
public static ErrorPresentation GetDefaultErrorPresentation(Exception ex)
{
ErrorPresentation errorPresentation = new ErrorPresentation();
errorPresentation.Exception = ex;
// Set default messaging
errorPresentation.Title = "Internal Error";
errorPresentation.Description = "An internal error has occurred.";
// If this is an HttpException provide standard HTTP error messages
if (ex is HttpException)
{
HttpException httpEx = ex as HttpException;
int statusCode = httpEx.GetHttpCode();
// Set the status code
errorPresentation.StatusCode = statusCode;
// Populate the message
switch (statusCode)
{
case 404:
errorPresentation.Title = "Page Not Found";
errorPresentation.Description = "The page you are looking for could not be found";
break;
}
}
// If the error is a custom descriptive http exception use those values
if (ex is DescriptiveHttpException)
{
DescriptiveHttpException descEx = ex as DescriptiveHttpException;
if (!String.IsNullOrEmpty(descEx.Message))
{
errorPresentation.Title = descEx.Message;
}
if (!String.IsNullOrEmpty(descEx.Description))
{
errorPresentation.Description = descEx.Description;
}
}
return errorPresentation;
}
/// <summary>
/// Gets a default error presentation to display to the user.
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
public static ErrorPresentation GetDefaultErrorPresentation(Exception ex)
{
ErrorPresentation errorPresentation = new ErrorPresentation();
errorPresentation.Exception = ex;
// Set default messaging
errorPresentation.Title = "Internal Error";
errorPresentation.Description = "An internal error has occurred.";
// If this is an HttpException provide standard HTTP error messages
if (ex is HttpException)
{
HttpException httpEx = ex as HttpException;
int statusCode = httpEx.GetHttpCode();
// Set the status code
errorPresentation.StatusCode = statusCode;
// Populate the message
switch (statusCode)
{
case 404:
errorPresentation.Title = "Page Not Found";
errorPresentation.Description = "The page you are looking for could not be found";
break;
}
}
// If the error is a custom descriptive http exception use those values
if (ex is DescriptiveHttpException)
{
DescriptiveHttpException descEx = ex as DescriptiveHttpException;
if (!String.IsNullOrEmpty(descEx.Message))
{
errorPresentation.Title = descEx.Message;
}
if (!String.IsNullOrEmpty(descEx.Description))
{
errorPresentation.Description = descEx.Description;
}
}
return(errorPresentation);
}
/// <summary>
/// Display the error view
/// </summary>
/// <param name="errorPresentation"></param>
public static void DisplayErrorView(ErrorPresentation errorPresentation)
{
// Return the error view
ViewResult result = new ViewResult();
result.ViewName = "Error";
result.ViewData = new ViewDataDictionary(errorPresentation);
// Set up the breadcrumbs for the view
var breadCrumbs = new BreadCrumbs();
breadCrumbs.Add(new BreadCrumb(
"Home",
"Index",
"Home"));
breadCrumbs.Add(new BreadCrumb(
"Error"));
result.ViewData.Add("BreadCrumbs", breadCrumbs);
// Get the context for the error controller
HttpContext context = HttpContext.Current;
if (context.CurrentHandler is MvcHandler)
{
RequestContext requestContext = ((MvcHandler)context.CurrentHandler).RequestContext;
//string controllerName = rc.RouteData.GetRequiredString("Error");
IControllerFactory factory = ControllerBuilder.Current.GetControllerFactory();
IController controller = factory.CreateController(requestContext, "Error");
ControllerContext controllerContext = new ControllerContext(requestContext, (ControllerBase)controller);
// Execute the view results
result.ExecuteResult(controllerContext);
context.Server.ClearError();
}
}
protected override void OnException(ExceptionContext filterContext)
{
// Bail if we can't do anything; app will crash.
if (filterContext == null)
{
return;
}
var ex = filterContext.Exception ?? new Exception("No further information exists.");
LogException(ex);
filterContext.ExceptionHandled = true;
var data = new ErrorPresentation
{
ErrorMessage = HttpUtility.HtmlEncode(ex.Message),
TheException = ex,
ShowMessage = filterContext.Exception != null,
ShowLink = false
};
filterContext.Result = View("Error", data);
}
/// <summary>
/// Display the error view
/// </summary>
/// <param name="errorPresentation"></param>
public static void DisplayErrorView(ErrorPresentation errorPresentation)
{
// Return the error view
ViewResult result = new ViewResult();
result.ViewName = "Error";
result.ViewData = new ViewDataDictionary(errorPresentation);
// Set up the breadcrumbs for the view
var breadCrumbs = new BreadCrumbs();
breadCrumbs.Add(new BreadCrumb(
"Home",
"Index",
"Home"));
breadCrumbs.Add(new BreadCrumb(
"Error"));
result.ViewData.Add("BreadCrumbs", breadCrumbs);
// Get the context for the error controller
HttpContext context = HttpContext.Current;
if (context.CurrentHandler is MvcHandler)
{
RequestContext requestContext = ((MvcHandler)context.CurrentHandler).RequestContext;
//string controllerName = rc.RouteData.GetRequiredString("Error");
IControllerFactory factory = ControllerBuilder.Current.GetControllerFactory();
IController controller = factory.CreateController(requestContext, "Error");
ControllerContext controllerContext = new ControllerContext(requestContext, (ControllerBase)controller);
// Execute the view results
result.ExecuteResult(controllerContext);
context.Server.ClearError();
}
}
protected override void OnException(ExceptionContext filterContext)
{
// Bail if we can't do anything; app will crash.
if (filterContext == null)
{
return;
}
// since we're handling this, log to elmah
var ex = filterContext.Exception ?? new Exception("No further information exists.");
LogException(ex);
filterContext.ExceptionHandled = true;
var data = new ErrorPresentation
{
ErrorMessage = HttpUtility.HtmlEncode(ex.Message),
TheException = ex,
ShowMessage = !(filterContext.Exception == null),
ShowLink = false
};
filterContext.Result = View("Index", data); // to redirect to the index page
}
