/// <summary>
/// Tries to translate the specified exception into a storage exception.
/// </summary>
/// <param name="ex">The exception to translate.</param>
/// <param name="reqResult">The request result.</param>
/// <param name="parseError">The delegate used to parse the error to get extended error information.</param>
/// <returns>The storage exception or <c>null</c>.</returns>
private static StorageException CoreTranslate(Exception ex, RequestResult reqResult, ref Func <Stream, StorageExtendedErrorInformation> parseError)
{
CommonUtility.AssertNotNull("reqResult", reqResult);
CommonUtility.AssertNotNull("ex", ex);
if (parseError == null)
{
parseError = StorageExtendedErrorInformation.ReadFromStream;
}
// Dont re-wrap storage exceptions
if (ex is StorageException)
{
return((StorageException)ex);
}
else if (ex is TimeoutException)
{
reqResult.HttpStatusMessage = null;
reqResult.HttpStatusCode = (int)HttpStatusCode.RequestTimeout;
reqResult.ExtendedErrorInformation = null;
return(new StorageException(reqResult, ex.Message, ex));
}
else if (ex is ArgumentException)
{
reqResult.HttpStatusMessage = null;
reqResult.HttpStatusCode = (int)HttpStatusCode.Unused;
reqResult.ExtendedErrorInformation = null;
return(new StorageException(reqResult, ex.Message, ex)
{
IsRetryable = false
});
}
#if WINDOWS_RT
else if (ex is OperationCanceledException)
{
reqResult.HttpStatusMessage = null;
reqResult.HttpStatusCode = 306; // unused
reqResult.ExtendedErrorInformation = null;
return(new StorageException(reqResult, ex.Message, ex));
}
#elif WINDOWS_DESKTOP && !WINDOWS_PHONE
else
{
// Should never get to this one since we will call TranslateDataServiceException for DataService operations.
StorageException tableEx = TableUtilities.TranslateDataServiceException(ex, reqResult, null);
if (tableEx != null)
{
return(tableEx);
}
}
#endif
// return null and check in the caller
return(null);
}
/// <summary>
/// Translates the specified exception into a storage exception.
/// </summary>
/// <param name="ex">The exception to translate.</param>
/// <param name="reqResult">The request result.</param>
/// <param name="parseError">The delegate used to parse the error to get extended error information.</param>
/// <returns>The storage exception.</returns>
internal static StorageException TranslateDataServiceException(Exception ex, RequestResult reqResult, Func <Stream, IDictionary <string, string>, StorageExtendedErrorInformation> parseError)
{
CommonUtility.AssertNotNull("reqResult", reqResult);
CommonUtility.AssertNotNull("ex", ex);
CommonUtility.AssertNotNull("parseError", parseError);
// Dont re-wrap storage exceptions
if (ex is StorageException)
{
return((StorageException)ex);
}
else if (ex is TimeoutException)
{
reqResult.HttpStatusMessage = null;
reqResult.HttpStatusCode = (int)HttpStatusCode.RequestTimeout;
reqResult.ExtendedErrorInformation = null;
return(new StorageException(reqResult, ex.Message, ex));
}
else if (ex is ArgumentException)
{
reqResult.HttpStatusMessage = null;
reqResult.HttpStatusCode = (int)HttpStatusCode.Unused;
reqResult.ExtendedErrorInformation = null;
return(new StorageException(reqResult, ex.Message, ex)
{
IsRetryable = false
});
}
else
{
StorageException tableEx = TableUtilities.TranslateDataServiceException(ex, reqResult, parseError);
if (tableEx != null)
{
return(tableEx);
}
}
// Just wrap in StorageException
return(new StorageException(reqResult, ex.Message, ex));
}