public static async Task <GeocoderLocation> GoeCodeAsync(string query)
{
GeocoderLocation geoLocation = null;
await Task.Run(() => { geoLocation = GoeCodeSync(query); });
return(geoLocation);
}
public static GeocoderLocation GoeCodeSync(string query)
{
GeocoderLocation geoLocation = null;
try
{
String mapAPIURL = "http://maps.googleapis.com/maps/api/geocode/xml?sensor=false";
if (!String.IsNullOrEmpty(ConfigurationManager.AppSettings[Constants.GoogleMapAPIURL]))
{
mapAPIURL = ConfigurationManager.AppSettings[Constants.GoogleMapAPIURL];
}
WebRequest webRequest = WebRequest.Create(mapAPIURL + "&address=" + HttpUtility.UrlEncode(query));
#region Proxy Settings
if (!String.IsNullOrEmpty(ConfigurationManager.AppSettings[Constants.ProxyAddress]))
{
WebProxy webProxy = new WebProxy(ConfigurationManager.AppSettings[Constants.ProxyAddress], false);
if (!String.IsNullOrEmpty(ConfigurationManager.AppSettings[Constants.ProxyUserName]) &&
!String.IsNullOrEmpty(ConfigurationManager.AppSettings[Constants.ProxyPassword]))
{
webProxy.Credentials = new NetworkCredential(ConfigurationManager.AppSettings[Constants.ProxyUserName],
ConfigurationManager.AppSettings[Constants.ProxyPassword]);
}
webRequest.Proxy = webProxy;
}
#endregion
using (WebResponse webResponse = webRequest.GetResponse())
{
using (Stream stream = webResponse.GetResponseStream())
{
XDocument document = XDocument.Load(new StreamReader(stream));
XElement longitudeElement = document.Descendants("lng").FirstOrDefault();
XElement latitudeElement = document.Descendants("lat").FirstOrDefault();
if (longitudeElement != null && latitudeElement != null)
{
geoLocation = new GeocoderLocation
{
Longitude = Double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = Double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
XElement statusElement = document.Descendants("status").FirstOrDefault();
if (statusElement != null && !String.IsNullOrEmpty(statusElement.Value) && statusElement.Value.ToLower() != "ok")
{
//Utility.InsertIntoErrorLog("Utility.GoeCodeSync", Utility.PrepareStringForDB("GeoCoding Response for '" + query + "' is: ") + statusElement.Value, "Admin");
}
}
}
}
catch (Exception exp)
{
//Utility.InsertIntoErrorLog(exp.Source, exp.Message + "\r\n" + exp.StackTrace, "Admin");
}
return(geoLocation);
}
