GPS Runner Maps: My First Windows Azure Application

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net;
using System.IO;
using System.Globalization;
using System.Web.Script.Services;
using System.Web.Services;

namespace PS.GpsRunnerMaps
{

  // To allow this Web Service to be called from script using ASP.NET AJAX,  
  // we need to set the following attribute. 
  [ScriptService]
  [WebService(Namespace = "Panoramio")]
  [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

  public class PanoramioService : WebService
  {
    [WebMethod]
    public string GetWeatherByLocation(double lat, double lng)
    {
      return Panoramio.GetWeatherByLocation(lat, lng);
    }
  } // end class

  public class Panoramio
  {
    private readonly static string FindNearbyWeatherUrl =
        "http://ws.geonames.org/findNearByWeatherJSON?lat={0}&lng={1}";



    public static string GetWeatherByLocation(double lat, double lng)
    {
      string formattedUri = String.Format(CultureInfo.InvariantCulture,
                            FindNearbyWeatherUrl, lat, lng);


      HttpWebRequest webRequest = GetWebRequest(formattedUri);
      HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
      string jsonResponse = string.Empty;
      using (StreamReader sr = new StreamReader(response.GetResponseStream()))
      {
        jsonResponse = sr.ReadToEnd();
      }

      return jsonResponse;
    }

    private static HttpWebRequest GetWebRequest(string formattedUri)
    {
      // Create the request’s URI.
      Uri serviceUri = new Uri(formattedUri, UriKind.Absolute);
      // Return the HttpWebRequest.
      return (HttpWebRequest)System.Net.WebRequest.Create(serviceUri);
    }
  } // end class
}