private static async Task CheckForFaultedResponses(HttpResponseMessage response)
{
if (response.IsSuccessStatusCode)
{
return;
}
using (var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
Error error = null;
try
{
error = RestClientHelper.DeserializeObject <Error>(responseStream);
}
catch
{
// ignored
}
if (error == null)
{
error = new Error(string.Format("Request {0} {1} was not successful: {2} ({3})", response.RequestMessage.Method, response.RequestMessage.RequestUri, (int)response.StatusCode, response.ReasonPhrase));
}
throw new WrappedServerErrorException(error, response.StatusCode);
}
}
private static async Task <T> ResponseToObjectAsync <T>(HttpResponseMessage response)
{
using (var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
return(RestClientHelper.DeserializeObject <T>(responseStream));
}
}
private async Task <T> GetResponse <T>(HttpRequestMessage request, CancellationToken cancellationToken = default(CancellationToken))
{
try
{
using (var response = await _HttpClient.SendAsync(request, cancellationToken).ConfigureAwait(false))
{
await CheckForFaultedResponses(response).ConfigureAwait(false);
using (var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
return(RestClientHelper.DeserializeObject <T>(responseStream));
}
}
}
catch (HttpRequestException e)
{
throw new RestClientException(string.Format("Error fetching web service response for request [{0}]: {1}", request.RequestUri, e.Message), e);
}
}
/// <summary>
/// Handles all responses with status codes between 400 and 499
/// </summary>
private static async Task HandleClientBasedFaults(HttpResponseMessage response)
{
if (response.StatusCode < HttpStatusCode.BadRequest || response.StatusCode >= HttpStatusCode.InternalServerError)
{
return;
}
using (var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
Error error;
try
{
error = RestClientHelper.DeserializeObject <Error>(responseStream);
if (error == null)
{
error = new Error($"Request {response.RequestMessage.Method} {response.RequestMessage.RequestUri} was not successful: {( int ) response.StatusCode} ({response.ReasonPhrase})");
}
}
catch (JsonReaderException)
{
var buffer = (responseStream as MemoryStream)?.ToArray();
var content = buffer != null?Encoding.UTF8.GetString(buffer) : null;
error = new Error($"Request {response.RequestMessage.Method} {response.RequestMessage.RequestUri} was not successful: {( int ) response.StatusCode} ({response.ReasonPhrase})")
{
ExceptionMessage = content,
};
}
catch (Exception)
{
error = new Error($"Request {response.RequestMessage.Method} {response.RequestMessage.RequestUri} was not successful: {( int ) response.StatusCode} ({response.ReasonPhrase})");
}
throw new WrappedServerErrorException(error, response);
}
}