/// <summary>
/// Handles the standard filter method.
/// </summary>
/// <param name="filterContext"></param>
public void OnException(ExceptionContext filterContext)
{
JsonErrorResult errorResult;
if (
// has the exception already been handled?
filterContext.ExceptionHandled
// there gots to be an exception!
|| (filterContext.Exception == null)
)
{
// don't process it, just return
return;
}
// if an exception type has been defined and the exception is NOT that type
if (this.ExceptionType != null && this.ExceptionType != filterContext.Exception.GetType())
{
return;
}
// if we only care about handling on ajax requests and this is NOT one...
if (AjaxOnlyRequest && !filterContext.RequestContext.HttpContext.Request.IsAjaxRequest())
{
// ... then don't do anything.
return;
}
// if 1 or more accept types have been specified,
if (AcceptTypes != null && AcceptTypes.Length > 0)
{
// see that at least 1 of the types exists in both lists.
if (AcceptTypes.Join(filterContext.HttpContext.Request.AcceptTypes, t => t, t => t, (t, r) => t).Count() == 0)
{
return;
}
}
errorResult = JsonErrorResult.Create(IncludeException ? filterContext.Exception : null, this.Message);
// set the call result to the JSON error result package
filterContext.Result = new JsonResult()
{
Data = errorResult, JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
// mark the exception as handled to stop further error filter handling
filterContext.HttpContext.Response.StatusCode = HttpStatusCode;
filterContext.ExceptionHandled = true;
NotifyExceptionHandled(filterContext);
}