--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Agendas/trunk/src/Agendas.Google/GUrlShortenerAdapter.cs	Tue Aug 09 09:38:28 2011 -0300
@@ -0,0 +1,48 @@
+using System.IO;
+using System.Net;
+using AltNetHispano.Agendas.Configurations;
+
+namespace AltNetHispano.Agendas.Google
+{
+	public class GUrlShortenerAdapter
+	{
+		private readonly ShortenConfigurationElement _config;
+
+		public GUrlShortenerAdapter()
+		{
+			_config = AgendasConfigurationManager.Publicadores.Google.Shorten;
+		}
+
+		public string GetShortUrl(string url)
+		{
+			WebRequest request = WebRequest.Create(_config.UrlAPI);
+			request.Method = WebRequestMethods.Http.Post;
+			request.ContentType = "application/json";
+			
+			using(var writer = new StreamWriter(request.GetRequestStream()))
+			{
+				var json = string.Format("{{\"longUrl\": \"{0}\"}}", url);
+				writer.Write(json);
+			}
+
+			var response = request.GetResponse();
+
+			using(var reader = new StreamReader(response.GetResponseStream()))
+			{
+				const string prefix = "\"id\": \"";
+
+				var json = reader.ReadToEnd();
+
+				var start = json.IndexOf(prefix) + prefix.Length;
+				if (start>prefix.Length)
+				{
+					var length = json.IndexOf("\",", start) - start;
+
+					if (length>0)
+						return json.Substring(start, length);
+				}
+			}
+			return string.Empty;
+		}
+	}
+}
\ No newline at end of file