void IErrorHandler.ProvideFault(Exception error, MessageVersion version, ref Message fault)
        {
            ServiceDiagnostics.ReportUnhandledException(error, HttpContext.Current);
            string text  = HttpContext.Current.Request.QueryString["$format"];
            string text2 = HttpContext.Current.Request.Headers["Accept"];
            XmlObjectSerializer          serializer;
            WebBodyFormatMessageProperty property;

            if ((text != null && text.Equals("json", StringComparison.InvariantCultureIgnoreCase)) || (text2 != null && text2.Equals("application/json", StringComparison.InvariantCultureIgnoreCase)))
            {
                serializer = new DataContractJsonSerializer(typeof(ServiceFault));
                property   = new WebBodyFormatMessageProperty(WebContentFormat.Json);
            }
            else
            {
                serializer = new DataContractSerializer(typeof(ServiceFault));
                property   = new WebBodyFormatMessageProperty(WebContentFormat.Xml);
            }
            fault = Message.CreateMessage(version, string.Empty, new ServiceFault(string.Empty, error), serializer);
            fault.Properties.Add("WebBodyFormatMessageProperty", property);
            HttpResponseMessageProperty httpResponseMessageProperty = new HttpResponseMessageProperty();
            DataServiceException        ex = error as DataServiceException;

            if (ex != null)
            {
                httpResponseMessageProperty.StatusCode = (HttpStatusCode)ex.StatusCode;
            }
            else
            {
                httpResponseMessageProperty.StatusCode = HttpStatusCode.InternalServerError;
            }
            fault.Properties.Add(HttpResponseMessageProperty.Name, httpResponseMessageProperty);
        }
 protected override void HandleException(HandleExceptionArgs args)
 {
     base.HandleException(args);
     ServiceDiagnostics.ReportUnhandledException(args.Exception, HttpContext.Current);
 }