Creating Multilingual Websites - Part 2

using System;
using System.Globalization;
using System.Threading;
using System.Web;

namespace Localization {
   /// <summary>
   /// Summary description for LocalizationHttpModule.
   /// </summary>
   public class LocalizationHttpModule : IHttpModule {
      public void Init(HttpApplication context) {
         context.BeginRequest += new EventHandler(context_BeginRequest);
      }
      public void Dispose() {}
      private void context_BeginRequest(object sender, EventArgs e) {
         HttpRequest request = ((HttpApplication) sender).Request;
         HttpContext context = ((HttpApplication)sender).Context;
         string applicationPath = request.ApplicationPath;
         if(applicationPath == "/"){
            applicationPath = string.Empty;
         }
         string requestPath = request.Url.AbsolutePath.Substring(applicationPath.Length);
         LoadCulture(ref requestPath);        
         context.RewritePath(applicationPath + requestPath);
      }
      private void LoadCulture(ref string path) {
         string[] pathParts = path.Trim('/').Split('/');
         string defaultCulture = LocalizationConfiguration.GetConfig().DefaultCultureName;
         if(pathParts.Length > 0 && pathParts[0].Length > 0) {
            try {
               Thread.CurrentThread.CurrentCulture = new CultureInfo(pathParts[0]);
               path = path.Remove(0, pathParts[0].Length + 1);
            }catch (Exception ex) {
               if(!(ex is ArgumentNullException) && !(ex is ArgumentException)) {
                  throw;
               }               
               Thread.CurrentThread.CurrentCulture = new CultureInfo(defaultCulture);
            }
         }else {
            Thread.CurrentThread.CurrentCulture = new CultureInfo(defaultCulture);
         }
         Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture;
      }
   }
}