public async Task <T> ExecAsync <T>(HttpIORequest request) where T : new()
{
string url = request.URI;
if (request.QueryString != null)
{
var builder = new UriBuilder(request.URI);
builder.Port = -1; // Use default
builder.Query = ToQueryString(request.QueryString);
url = builder.ToString();
}
switch (request.Verb)
{
case HttpVerb.GET:
return(await ExecAsyncGet <T>(request, url).ConfigureAwait(false));
}
return(default(T));
}
private async Task <T> ExecAsyncGet <T>(HttpIORequest request, string url) where T : new()
{
T deserializedObj = default(T);
using (var client = new HttpClient())
{
HttpResponseMessage response = null;
client.Timeout = new TimeSpan(0, 0, 9000);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
if (request.Authentication == AuthType.BASIC)
{
string sAuth = request.BasicAuthCreds.Username + ":" + request.BasicAuthCreds.Password;
var byteArray = Encoding.UTF8.GetBytes(sAuth);
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
}
else if (request.Authentication == AuthType.OAUTH2)
{
/*
* To generate oauth2 header following items are needed
* 1. Consumer key
* 2. Consumer secret
* 3. Token (optional)
* 4. Token secret (optional)
*/
//client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("OAuth", authHeader);
}
try
{
response = await client.GetAsync(url).ConfigureAwait(false);
if (response.IsSuccessStatusCode)
{
string strRspns = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
deserializedObj = await Task.Run
(
() => JsonConvert.DeserializeObject <T>(strRspns)
).ConfigureAwait(false);
}
else
{
if (OnHttpAppException != null)
{
string msg = "Http Server threw exception";
if (response != null)
{
msg += string.Format(": HTTP {0}\n{1}",
response.StatusCode, Convert.ToString(response));
}
OnHttpAppException(msg);
}
}
}
catch (Exception ex)
{
// Most likely Severe System or Networkr related exception
if (OnHttpFatalException != null)
{
string msg = "Http fatal error: " + ex.Message;
OnHttpFatalException(msg);
}
//throw new HttpIOException("Http operation failed with message:" + ex.Message);
}
}
return(deserializedObj);
}