/// <summary>
/// Get the HTTP response for this request.
/// </summary>
/// <returns>The HTTP response.</returns>
private async Task <IServiceFilterResponse> GetResponseAsync()
{
HttpWebResponse response = null;
ServiceFilterResponseStatus errorStatus = ServiceFilterResponseStatus.Success;
try
{
// Create the request and send for the response
HttpWebRequest request = await this.CreateHttpWebRequestAsync();
response = await
Task <WebResponse> .Factory.FromAsync(
request.BeginGetResponse,
request.EndGetResponse,
request) as HttpWebResponse;
}
catch (WebException ex)
{
// Don't raise WebExceptions for >= 400 responses because it's
// actually up to the various filters whether or not we'll
// return the failure to the user or whether we'll make another
// request. The MobileServiceClient.RequestAsync method will
// check the final response it receives for errors and throw an
// exception if appropriate.
response = ex.Response as HttpWebResponse;
errorStatus = (ServiceFilterResponseStatus)ex.Status;
}
return(new ServiceFilterResponse(response, errorStatus));
}
/// <summary>
/// Initializes a new instance of the ServiceFilterResponse class.
/// </summary>
/// <param name="response">
/// The HttpWebResponse backing this request.
/// </param>
/// <param name="errorStatus">
/// The error status for any connection failures.
/// </param>
public ServiceFilterResponse(HttpWebResponse response, ServiceFilterResponseStatus errorStatus)
{
this.ResponseStatus = errorStatus;
this.Headers = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
// Read all the interesting values from the response if it's
// provided
if (response != null)
{
// Pull out the headers
foreach (string key in response.Headers.AllKeys)
{
this.Headers[key] = response.Headers[key];
}
// Get the status code
this.StatusCode = (int)response.StatusCode;
// Get the status description
this.StatusDescription = response.StatusDescription;
// Get the content
this.ContentType = response.ContentType;
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
this.Content = reader.ReadToEnd();
}
}
else
{
// Provide sane defaults that will likely prevent folks from
// crashing if they're not careful to check ErrorStatus first
this.StatusCode = 0;
this.StatusDescription = string.Empty;
this.ContentType = string.Empty;
this.Content = string.Empty;
}
}
/// <summary>
/// Initializes a new instance of the ServiceFilterResponse class.
/// </summary>
/// <param name="response">
/// The HttpWebResponse backing this request.
/// </param>
/// <param name="errorStatus">
/// The error status for any connection failures.
/// </param>
public ServiceFilterResponse(HttpWebResponse response, ServiceFilterResponseStatus errorStatus)
{
this.ResponseStatus = errorStatus;
this.Headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
// Read all the interesting values from the response if it's
// provided
if (response != null)
{
// Pull out the headers
foreach (string key in response.Headers.AllKeys)
{
this.Headers[key] = response.Headers[key];
}
// Get the status code
this.StatusCode = (int)response.StatusCode;
// Get the status description
this.StatusDescription = response.StatusDescription;
// Get the content
this.ContentType = response.ContentType;
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
this.Content = reader.ReadToEnd();
}
}
else
{
// Provide sane defaults that will likely prevent folks from
// crashing if they're not careful to check ErrorStatus first
this.StatusCode = 0;
this.StatusDescription = string.Empty;
this.ContentType = string.Empty;
this.Content = string.Empty;
}
}