コード例 #1
0
        public void TranslateException(Exception exception, ref HttpStatusCode responseStatus, ref HttpExceptionData responseData)
        {
            if (exception is AggregateException)
            {
                exception = ExceptionUtils.GetInnerException(exception);
            }

            responseData.Message = Strings.HttpExceptionDefaultMessage;
            responseData.SetFromException(exception);

            if (exception is IBusinessException)
            {
                responseStatus       = HttpStatusCode.PreconditionFailed;
                responseData.Message = exception.Message;
            }

            else if (exception is JsonBindingException)
            {
                responseStatus       = HttpStatusCode.BadRequest;
                responseData.Message = Strings.MalformedRequestData;
                responseData.SetFromException(exception.InnerException);
            }

            else
            {
                string    message      = null;
                Exception newException = null;

                foreach (var t in customTranslators)
                {
                    if (t.TranslateException(exception, out message, out newException))
                    {
                        responseData.Message = message;
                        responseData.SetFromException(newException);
                        exception = newException;
                        break;
                    }
                }
            }

            if (exception is IHttpStatusCodeException)
            {
                responseStatus = (exception as IHttpStatusCodeException).GetStatusCode();
            }

            if (exception is IDataException)
            {
                responseData.ErrorData = (exception as IDataException).GetExceptionData();
            }
        }
コード例 #2
0
        public bool TranslateException(Exception exception, out string message, out Exception newException)
        {
            message      = exception.Message;
            newException = exception;

            if (exception is ProviderIncompatibleException)
            {
                message = Strings.DbConnectionError;
                return(true);
            }

            if (exception is EntityCommandExecutionException)
            {
                message = Strings.DbCommandExecutionError;
                return(true);
            }

            if (exception is DbEntityValidationException)
            {
                ValidationRuleViolations violations = new ValidationRuleViolations();
                violations.Add((exception as DbEntityValidationException).EntityValidationErrors);
                message      = Strings.DbValidationError;
                newException = new DbWrappedException(message, exception, violations);
                return(true);
            }

            if (exception is DbUpdateException || exception is SqlException)
            {
                message      = Strings.DbUpdateError;
                newException = ExceptionUtils.GetInnerException(exception);
                foreach (var regex in Strings.ConstraintRegexes)
                {
                    if (regex.IsMatch(newException.Message))
                    {
                        string constraintName    = regex.Matches(newException.Message)[0].Groups["cName"].ToString();
                        string constraintMessage = GetConstraintMessage(constraintName);
                        if (constraintMessage != null)
                        {
                            message = constraintMessage;
                        }
                    }
                }
                return(true);
            }

            return(false);
        }