internal protected virtual void ApiAsync(string path, IDictionary <string, object> parameters, HttpMethod httpMethod, object userToken)
{
var mergedParameters = FacebookUtils.Merge(null, parameters);
if (!mergedParameters.ContainsKey("access_token") && !String.IsNullOrEmpty(AccessToken))
{
mergedParameters["access_token"] = AccessToken;
}
Uri requestUrl;
string contentType;
byte[] postData = BuildRequestData(path, mergedParameters, httpMethod, out requestUrl, out contentType);
var tempState = new WebClientStateContainer
{
UserState = userToken,
Method = httpMethod,
RequestUri = requestUrl
};
Action <string, Exception> callback =
(json, ex) =>
{
byte[] result = null;
if (ex == null)
{
result = Encoding.UTF8.GetBytes(json);
}
if (httpMethod == HttpMethod.Get)
{
DownloadDataCompleted(this, new DownloadDataCompletedEventArgsWrapper(ex, false, tempState, result));
}
else
{
UploadDataCompleted(this, new UploadDataCompletedEventArgsWrapper(ex, false, tempState, result));
}
};
var request = (HttpWebRequest)HttpWebRequest.Create(requestUrl);
request.Method = FacebookUtils.ConvertToString(httpMethod); // Set the http method GET, POST, etc.
if (httpMethod == HttpMethod.Post)
{
if (path == null && mergedParameters.ContainsKey("batch"))
{
tempState.IsBatchRequest = true;
}
request.ContentType = contentType;
request.BeginGetRequestStream((ar) => { RequestCallback(ar, postData, callback, tempState); }, request);
}
else
{
request.BeginGetResponse((ar) => { ResponseCallback(ar, callback, tempState); }, request);
}
}
public WhichThrowsGraphExceptionThen()
{
this.facebookClient = new FacebookClient();
var tempState = new WebClientStateContainer
{
Method = this.httpMethod,
RequestUri = new Uri(this.requestUrl),
};
this.downloadDataCompletedEventArgs =
new DownloadDataCompletedEventArgsWrapper(
WebClientFakes.GetFakeWebException(jsonResult), false, tempState, null);
}
public ThrowsRestApiErrorThen()
{
this.facebookClient = new FacebookClient();
var tempState = new WebClientStateContainer
{
Method = this.httpMethod,
RequestUri = new Uri(this.requestUrl),
};
this.downloadDataCompletedEventArgs =
new DownloadDataCompletedEventArgsWrapper(
null, false, tempState, System.Text.Encoding.UTF8.GetBytes(jsonResult));
}
protected internal virtual void OAuthRequestAsync(string name, string path, IDictionary<string, object> parameters, object userToken, Func<string, string> processResponseString, Action<object, FacebookApiEventArgs> onDownloadComplete)
{
Contract.Requires(!String.IsNullOrEmpty(name));
Contract.Requires(onDownloadComplete != null);
var mergedParameters = FacebookUtils.Merge(null, parameters);
path = FacebookUtils.ParseQueryParametersToDictionary(path, mergedParameters);
if (!string.IsNullOrEmpty(path) && path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
{
path = path.Substring(1, path.Length - 1);
}
var requestUrl = GetUrl(name, path, parameters);
var webClient = WebClient;
var tempState = new WebClientStateContainer
{
UserState = userToken,
Method = HttpMethod.Get,
RequestUri = requestUrl
};
webClient.DownloadDataCompleted = (o, e) => DownloadDataCompleted(o, e, processResponseString, onDownloadComplete);
webClient.DownloadDataAsync(requestUrl, tempState);
}
