private async Task <FeatureToggleResponse> GetToggleResponse(HttpResponseMessage response)
{
_etag = response.Headers.ETag?.Tag;
var content = await response.Content.ReadAsStringAsync();
var toggles = new ToggleCollection();
try
{
toggles = JsonToggleParser.FromJson(content);
}
catch (Exception ex)
{
Logger.WarnException("received toggles failed", ex);
}
return(FeatureToggleResponse.Changed(toggles));
}
public ToggleCollection Read()
{
Logger.Info("Unleash will try to load feature toggle states from temporary backup");
try
{
var json = File.ReadAllText(_backupFile);
return(JsonToggleParser.FromJson(json));
}
catch (FileNotFoundException)
{
Logger.Warn(" Unleash could not find the backup-file '" + _backupFile + "'. \n" +
"This is expected behavior the first time unleash runs in a new environment.");
}
catch (UnauthorizedAccessException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Do not have the required permission", e, _backupFile);
}
catch (PathTooLongException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Path is more than 260 characters", e, _backupFile);
}
catch (ArgumentNullException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Path is null", e, _backupFile);
}
catch (ArgumentException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Invalid path", e, _backupFile);
}
catch (DirectoryNotFoundException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Directory not found", e, _backupFile);
}
catch (NotSupportedException e)
{
Logger.WarnException("Failed to read backup file:'{File}'. Path is in an invalid format", e, _backupFile);
}
catch (JsonException e)
{
Logger.WarnException("Failed to read backup file:'{}'", e, _backupFile);
}
return(ToggleCollection.EmptyCollection);
}