Exemple #1
0
        /// <summary>
        /// Loads the specified financial data.
        /// </summary>
        /// <param name="ticker">The currency pair to load.</param>
        /// <param name="dataNeeded">The financial data needed.</param>
        /// <param name="from">The beginning date to load data from.</param>
        /// <param name="to">The ending date to load data to.</param>
        /// <returns>A collection of LoadedMarketData objects that represent
        /// the data loaded.</returns>
        public ICollection <LoadedMarketData> Load(
            TickerSymbol ticker,
            IList <MarketDataType> dataNeeded,
            DateTime from,
            DateTime to
            )
        {
            ICollection <LoadedMarketData> result =
                new List <LoadedMarketData>();
            Uri             url      = buildURL(ticker, from, to);
            WebRequest      http     = HttpWebRequest.Create(url);
            HttpWebResponse response = http.GetResponse() as HttpWebResponse;

            using (Stream istream = response.GetResponseStream())
            {
                ReadCSV csv =
                    new ReadCSV(istream, true, CSVFormat.DECIMAL_POINT);
                while (csv.Next())
                {
                    // TODO: check these values if possible
                    DateTime date     = csv.GetDate("date");
                    double   adjClose = csv.GetDouble("adj close"); // TODO: deprecate?
                    double   open     = csv.GetDouble("open");
                    double   close    = csv.GetDouble("close");
                    double   high     = csv.GetDouble("high");
                    double   low      = csv.GetDouble("low");
                    double   volume   = csv.GetDouble("volume"); // TODO: deprecate?

                    LoadedMarketData data =
                        new LoadedMarketData(date, ticker);
                    data.SetData(MarketDataType.ADJUSTED_CLOSE, adjClose);
                    data.SetData(MarketDataType.OPEN, open);
                    data.SetData(MarketDataType.CLOSE, close);
                    data.SetData(MarketDataType.HIGH, high);
                    data.SetData(MarketDataType.LOW, low);
                    data.SetData(MarketDataType.OPEN, open);
                    data.SetData(MarketDataType.VOLUME, volume);
                    result.Add(data);
                }

                csv.Close();
                istream.Close();
            }
            return(result);
        }