public static void GetStationCollectionAsync(IQueryBuilder url, RealTimeDataDelegate callback)
{
try
{
if (url == null) throw new Exception("Cannot work with null-objects");
if (String.IsNullOrEmpty(url.Url)) throw new Exception("Url cannot be empty");
var client = new WebClient();
client.DownloadStringCompleted += (s, e) =>
{
if (e.Error != null) throw e.Error;
if (e.Result == null) return;
var collection = JsonHelper.Deserialize<
IList<Station>>(e.Result);
callback(new ObservableCollection<Station>(collection));
};
client.DownloadStringAsync(new Uri(url.Url));
}
catch (Exception)
{
throw;
}
}
public static void GetRealTimeDataAsync(GetRealTimeDataQueryBuilder url, RealTimeDataDelegate callback)
{
GetStationCollectionAsync(url, callback);
}