public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
m_asyncResult = new NuxleusAsyncResult(cb, extraData);
using (XmlWriter writer = XmlWriter.Create(context.Response.Output))
{
bool useMemcached = (bool)context.Application["usememcached"];
MemcachedClient client = (MemcachedClient)context.Application["memcached"];
NameValueCollection queryString = context.Request.QueryString;
LatLongByCityName location;
string cityName = queryString["name"];
if (useMemcached && client != null)
{
object keyValue;
if (client.TryGet(cityName, out keyValue))
{
location = new LatLongByCityName(((String)keyValue).Split(new char[] { ',' }));
}
else
{
location = new LatLongByCityName(cityName);
//client.Add(cityName, LatLongByCityName.ToDelimitedString(",", location));
}
}
else
{
location = new LatLongByCityName(cityName);
}
writer.WriteStartDocument();
writer.WriteStartElement("message", "http://nuxleus.com/message/response");
writer.WriteStartElement("geo");
writer.WriteStartElement("city");
writer.WriteString(location.City);
writer.WriteEndElement();
writer.WriteStartElement("country");
writer.WriteString(location.Country);
writer.WriteEndElement();
writer.WriteStartElement("lat");
writer.WriteString(location.Lat);
writer.WriteEndElement();
writer.WriteStartElement("long");
writer.WriteString(location.Long);
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
}
return m_asyncResult;
}
public static string ToDelimitedString (string delimiter, LatLongByCityName location)
{
return String.Join(delimiter, location.LocationArray);
}