public void Delete(
string requestUri,
IETagHolder etag,
Hashtable customHeaders)
{
using (var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(this.baseAddress.OriginalString + requestUri)))
{
webRequest.Method = "DELETE";
// add authorization header
webRequest.Headers.Add("Authorization", this.authenticationHeaderProvider.GetAuthorizationHeader());
// add custom headers
AddCustomHeaders(webRequest, customHeaders);
// add ETag header
InsertEtag(webRequest, etag);
// perform request and get response
using (var webResponse = webRequest.GetResponse() as HttpWebResponse)
{
if (webResponse.StatusCode != HttpStatusCode.NoContent)
{
throw new WebException("", null, WebExceptionStatus.ReceiveFailure, webResponse);
}
// else it's a success and there's nothing to do but exit the method.
}
}
}
Task RemoveDeviceAsync(string deviceId, IETagHolder eTagHolder, CancellationToken cancellationToken)
{
var errorMappingOverrides = new Dictionary <HttpStatusCode, Func <HttpResponseMessage, Task <Exception> > >();
errorMappingOverrides.Add(HttpStatusCode.NotFound, async responseMessage =>
{
var responseContent = await ExceptionHandlingHelper.GetExceptionMessageAsync(responseMessage);
return((Exception) new DeviceNotFoundException(responseContent, (Exception)null));
});
errorMappingOverrides.Add(HttpStatusCode.PreconditionFailed, async(responseMessage) => new PreconditionFailedException(await ExceptionHandlingHelper.GetExceptionMessageAsync(responseMessage)));
return(this.httpClientHelper.DeleteAsync(GetRequestUri(deviceId), eTagHolder, errorMappingOverrides, null, cancellationToken));
}
private static void InsertEtag(HttpRequestMessage requestMessage, IETagHolder entity, PutOperationType operationType)
{
if (operationType == PutOperationType.CreateEntity)
{
return;
}
if (operationType == PutOperationType.ForceUpdateEntity)
{
const string etag = "\"*\"";
requestMessage.Headers.IfMatch.Add(new EntityTagHeaderValue(etag));
}
else
{
InsertEtag(requestMessage, entity);
}
}
public override Task CancelJobAsync(string jobId, CancellationToken cancellationToken)
{
this.EnsureInstanceNotClosed();
var errorMappingOverrides = new Dictionary <HttpStatusCode, Func <HttpResponseMessage, Task <Exception> > >();
errorMappingOverrides.Add(HttpStatusCode.NotFound, responseMessage => Task.FromResult((Exception) new JobNotFoundException(jobId)));
IETagHolder temp = null;
return(this.httpClientHelper.DeleteAsync(
GetJobUri("/{0}".FormatInvariant(jobId)),
temp,
errorMappingOverrides,
null,
cancellationToken));
}
static void InsertEtag(HttpWebRequest requestMessage, IETagHolder entity, PutOperationType operationType)
{
if (operationType == PutOperationType.CreateEntity)
{
return;
}
if (operationType == PutOperationType.ForceUpdateEntity)
{
const string etag = "\"*\"";
requestMessage.Headers.Add("IfMatch", etag);
}
else
{
InsertEtag(requestMessage, entity);
}
}
static void InsertEtag(HttpWebRequest requestMessage, IETagHolder entity, PutOperationType operationType)
{
if (operationType == PutOperationType.CreateEntity)
{
return;
}
if (operationType == PutOperationType.ForceUpdateEntity)
{
const string etag = "\"*\"";
requestMessage.Headers.Add("IfMatch", etag);
}
else
{
InsertEtag(requestMessage, entity);
}
}
Task RemoveDeviceRegistrationAsync(string registrationId, IETagHolder eTagHolder, CancellationToken cancellationToken)
{
ThrowIfClosed();
if (string.IsNullOrWhiteSpace(eTagHolder.ETag))
{
throw new ArgumentException(ApiResources.ETagNotSetWhileDeletingDeviceRegistration);
}
var errorMappingOverrides = new Dictionary <HttpStatusCode, Func <HttpResponseMessage, Task <Exception> > >
{
{
HttpStatusCode.NotFound,
responseMessage => Task.FromResult((Exception) new RegistrationNotFoundException(registrationId))
}
};
return(this.httpClientHelper.DeleteAsync <IETagHolder>(GetDeviceRegistrationUri(registrationId), eTagHolder, errorMappingOverrides, null, cancellationToken));
}
private static void InsertEtag(HttpRequestMessage requestMessage, IETagHolder entity)
{
if (string.IsNullOrWhiteSpace(entity.ETag))
{
throw new ArgumentException("The entity does not have its ETag set.");
}
string etag = entity.ETag;
if (!etag.StartsWith("\"", StringComparison.InvariantCultureIgnoreCase))
{
etag = "\"" + etag;
}
if (!etag.EndsWith("\"", StringComparison.InvariantCultureIgnoreCase))
{
etag += "\"";
}
requestMessage.Headers.IfMatch.Add(new EntityTagHeaderValue(etag));
}
static void InsertEtag(HttpWebRequest requestMessage, IETagHolder entity)
{
if (entity.ETag.IsNullOrWhiteSpace())
{
throw new ArgumentException("The entity does not have its ETag set.");
}
string etag = entity.ETag;
if (etag.IndexOf("\"") != 0)
{
etag = "\"" + etag;
}
if (etag.LastIndexOf("\"") != etag.Length)
{
etag = etag + "\"";
}
requestMessage.Headers.Add("IfMatch", etag);
}
Task RemoveDeviceAsync(string deviceId, IETagHolder eTagHolder, CancellationToken cancellationToken)
{
var errorMappingOverrides = new Dictionary<HttpStatusCode, Func<HttpResponseMessage, Task<Exception>>>();
errorMappingOverrides.Add(HttpStatusCode.NotFound, async responseMessage =>
{
var responseContent = await ExceptionHandlingHelper.GetExceptionMessageAsync(responseMessage);
return (Exception) new DeviceNotFoundException(responseContent, (Exception) null);
});
errorMappingOverrides.Add(HttpStatusCode.PreconditionFailed, async (responseMessage) => new PreconditionFailedException(await ExceptionHandlingHelper.GetExceptionMessageAsync(responseMessage)));
return this.httpClientHelper.DeleteAsync(GetRequestUri(deviceId), eTagHolder, errorMappingOverrides, null, cancellationToken);
}
static void InsertEtag(HttpWebRequest requestMessage, IETagHolder entity)
{
if (entity.ETag.IsNullOrWhiteSpace())
{
throw new ArgumentException("The entity does not have its ETag set.");
}
string etag = entity.ETag;
if (etag.IndexOf("\"") != 0)
{
etag = "\"" + etag;
}
if (etag.LastIndexOf("\"") != etag.Length)
{
etag = etag + "\"";
}
requestMessage.Headers.Add("IfMatch", etag);
}
public void Delete(
string requestUri,
IETagHolder etag,
Hashtable customHeaders)
{
using (var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(this.baseAddress.OriginalString + requestUri)))
{
webRequest.Method = "DELETE";
// add authorization header
webRequest.Headers.Add("Authorization", this.authenticationHeaderProvider.GetAuthorizationHeader());
// add custom headers
AddCustomHeaders(webRequest, customHeaders);
// add ETag header
InsertEtag(webRequest, etag);
// perform request and get response
using (var webResponse = webRequest.GetResponse() as HttpWebResponse)
{
if (webResponse.StatusCode != HttpStatusCode.NoContent)
{
throw new WebException("", null, WebExceptionStatus.ReceiveFailure, webResponse);
}
// else it's a success and there's nothing to do but exit the method.
}
}
}
