protected T DoRequest <T>(string restPath, IDictionary <string, string> parameters, int?page = null, int?pageSize = null, bool ignoreErrorOn404 = false) where T : Response
{
Stopwatch sw = Stopwatch.StartNew();
var req = CreateRequest(restPath, parameters, page, pageSize);
T res = GetResponse <T>(req, ignoreErrorOn404);
Traces.WebService_TraceEvent(TraceEventType.Information, 1, string.Format("RequestTime: {0} ms", sw.ElapsedMilliseconds));
return(res);
}
protected HttpWebRequest CreateRequest(string restPath, IDictionary <string, string> parameters = null,
int?page = null, int?pageSize = null)
{
//const string baseUrl = "https://forumsapi.contentservices.msdn.microsoft.com/";
//const string baseUrl = "https://qa.forumsapi.contentservices.msdn.microsoft.com/";
string url = BuildUrl(BaseUrl, restPath, parameters, page, pageSize);
Traces.WebService_TraceEvent(TraceEventType.Information, 1, string.Format("CreateRequest: {0}", url));
var req = (HttpWebRequest)WebRequest.Create(url);
req.Accept = "application/json;api-version=1.0-preview";
req.Headers.Add("x-ms-apikey", ApiKey);
if (string.IsNullOrEmpty(this.AuthenticationTicket) == false)
{
req.Headers.Add("x-ms-useraccesstoken", AuthenticationTicket);
}
return(req);
}
protected T GetResponse <T>(HttpWebRequest req, bool ignoreErrorOn404 = false) where T : Response
{
T result = null;
try
{
var res = (HttpWebResponse)req.GetResponse();
using (var s = new StreamReader(res.GetResponseStream()))
{
var json = s.ReadToEnd();
Traces.WebService_TraceEvent(TraceEventType.Verbose, 1, string.Format("JSON-Response: {1}: {0}", req.RequestUri, json));
result = Deserialize <T>(json);
}
}
catch (WebException webException)
{
if (webException.Response != null)
{
using (var s2 = new StreamReader(webException.Response.GetResponseStream()))
{
var json = s2.ReadToEnd();
Traces.WebService_TraceEvent(TraceEventType.Error, 1, string.Format("WebException: JSON: {0}", json));
result = Deserialize <T>(json);
var res = (HttpWebResponse)webException.Response;
result.StatusCode = res.StatusCode;
// If status is "404 Not found" we ignore errors, if requested
if (ignoreErrorOn404 && result.StatusCode == HttpStatusCode.NotFound)
{
return(result);
}
// A "message" is also an error...
if (string.IsNullOrEmpty(result.Message) == false)
{
result.Errors.Add(result.Message);
}
// If we still do not have an error, we assume the whole json-string as error...
if (result.Errors.Count <= 0)
{
result.Errors.Add(json);
}
}
}
else
{
Traces.WebService_TraceEvent(TraceEventType.Error, 1, string.Format("WebException: {0}", webException));
}
}
if (result != null)
{
if (result.Errors.Count > 0)
{
throw new ApplicationException(string.Join(" / ", result.Errors));
}
}
else
{
throw new ApplicationException("Could not get response!");
}
Traces.WebService_TraceEvent(TraceEventType.Information, 1, string.Format("GetReponse: {0}: HasMore: {1}", req.RequestUri, result.HasMore));
return(result);
}
