public Coordinate GetLocationByIpAddress(IPAddress ipAddress)
{
Coordinate result = new Coordinate();
string ip = ipAddress.ToString();
if (!cachedIps.ContainsKey(ip))
{
string r = GetLocationInformation(ip);
var xmlResponse = XDocument.Parse(r);
var gml = (XNamespace)"http://www.opengis.net/gml";
var ns = (XNamespace)"http://www.hostip.info/api";
try
{
result = (from x in xmlResponse.Descendants(ns + "Hostip")
select new Coordinate
{
Longitude = decimal.Parse(x.Descendants(gml + "coordinates").Single().Value.Split(',')[0]),
Latitude = decimal.Parse(x.Descendants(gml + "coordinates").Single().Value.Split(',')[1])
}).SingleOrDefault();
}
catch (NullReferenceException)
{
//Looks like we didn't get what we expected.
}
if (!result.NotSet())
{
cachedIps.Add(ip, result);
}
}
else
{
result = cachedIps[ip];
}
return result;
}