/// <summary>
/// Calls an endpoint on the DataSift HTTP API.
/// </summary>
/// <param name="endpoint">The endpoint to call.</param>
/// <param name="parameters">The parameters to pass as POST data.</param>
/// <returns>An ApiResponse instance containing the response details.</returns>
override public ApiResponse callAPI(string endpoint, Dictionary<string, string> parameters = null)
{
// Set up the request
string url = "http://" + m_base_url + endpoint + ".json";
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Headers["Auth"] = m_username + ":" + m_api_key;
req.UserAgent = m_user_agent;
req.Method = "POST";
// Add the POST data
byte[] post_data_bytes = Encoding.UTF8.GetBytes(getPostData(parameters));
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = post_data_bytes.Length;
Stream post_stream = req.GetRequestStream();
post_stream.Write(post_data_bytes, 0, post_data_bytes.Length);
post_stream.Close();
// Make the request
HttpWebResponse res;
try
{
res = (HttpWebResponse)req.GetResponse();
}
catch (WebException e)
{
res = (HttpWebResponse)e.Response;
}
int rate_limit = res.GetResponseHeader("x-ratelimit-limit").Length > 0 ? Convert.ToInt16(res.GetResponseHeader("x-ratelimit-limit")) : -1;
int rate_limit_remaining = res.GetResponseHeader("x-ratelimit-limit").Length > 0 ? Convert.ToInt16(res.GetResponseHeader("x-ratelimit-remaining")) : -1;
// Get the response and build the return value
StreamReader response_stream = new StreamReader(res.GetResponseStream());
ApiResponse retval = new ApiResponse((int)res.StatusCode, response_stream.ReadToEnd(), rate_limit, rate_limit_remaining);
response_stream.Close();
return retval;
}
/// <summary>
/// Set the ApiResponse object to be returned by calls to callAPI.
/// </summary>
/// <param name="response">The ApiResponse object.</param>
static public void setAPIResponse(ApiResponse response)
{
m_response = response;
}