/Code/Client/Inbox2/Plugins/StatusUpdates/UrlShorteners/BitlyUrlShortener.cs

using System;

using System.ComponentModel.Composition;

using System.Linq;

using System.Net;

using System.Web;

using System.Xml.Linq;

using Inbox2.Framework.Interfaces.Plugins;

using Inbox2.Platform.Channels.Extensions;

using Inbox2.Platform.Logging;



namespace Inbox2.Plugins.StatusUpdates.UrlShorteners

{

	[Export(typeof(IUrlShortener))]

	public class BitlyUrlShortener : IUrlShortener

	{

		public string Name

		{

			get { return "bit.ly"; }

		}



		public string Shorten(string url)

		{

			try

			{				

				string bitlyUrl = string.Format("http://api.bit.ly/shorten?version=2.0.1&format=xml&longUrl={0}&login={1}&apiKey={2}",

					HttpUtility.UrlEncode(url), "waseem", "R_b36db4f298fcd25827e589aaadd0e0b6");



				HttpWebRequest request = (HttpWebRequest)WebRequest.Create(bitlyUrl);



				using (HttpWebResponse loWebResponse = (HttpWebResponse)request.GetResponse())

				using (var xmlStream = loWebResponse.GetResponseStream())

				{

					XDocument xmlFeed = XDocument.Parse(xmlStream.ReadString());



					var element = xmlFeed.Descendants("nodeKeyVal").First();

					var value =  element.Element("shortUrl").Value;



					if (String.IsNullOrEmpty(value))

					{

						Logger.Error("Unable to shorten url. Result element = {0}", LogSource.UI, element);



						return url;

					}



					return value;

				}

			}

			catch (Exception ex)

			{

				Logger.Error("An error has occured while trying to shorten url. Exception = {0}", LogSource.UI, ex);



				return url;

			}

		}

	}

}