<%@ WebHandler Language="C#" Class="Article2006100201" %>

using System;
using System.Web;
using System.Xml;
using System.Threading;
using System.Globalization;

public class Article2006100201 : IHttpHandler
{
  public void ProcessRequest (HttpContext context)
  {
    // Create XML document and its root node
    XmlDocument docResponse = new XmlDocument();
    XmlElement elResponse = docResponse.CreateElement( "response" );
    docResponse.AppendChild( elResponse );

    try
    {
      // Get parameter
      string strCulture;
      if ( context.Request.QueryString != null
        && context.Request.QueryString[ "culture" ] != null )
      {
        strCulture = context.Request.QueryString[ "culture" ];
        if ( strCulture.Length > 0 )
        {
          // A culture info is requested --> set it in the current thread
          CultureInfo oCultureInfo = new CultureInfo( strCulture );
          Thread.CurrentThread.CurrentCulture = oCultureInfo;
          Thread.CurrentThread.CurrentUICulture = oCultureInfo;
        }
      }
      else
      {
        // Get the current culture's name to inform the client
        strCulture = Thread.CurrentThread.CurrentCulture.Name;
      }

      // Element <current>
      XmlElement elCurrent = docResponse.CreateElement( "current" );
      string strDate = DateTime.Now.ToLongDateString();
      string strTime = DateTime.Now.ToLongTimeString();
      elCurrent.SetAttribute( "date", strDate );
      elCurrent.SetAttribute( "time", strTime );
      elResponse.AppendChild( elCurrent );

      // Element <culture>
      XmlElement elCulture = docResponse.CreateElement( "culture" );
      XmlText nText = docResponse.CreateTextNode( strCulture );
      elCulture.AppendChild( nText );
      elResponse.AppendChild( elCulture );
      
      // Status code "OK"
      context.Response.StatusCode = 200;
    }
    catch ( Exception ex )
    {
      XmlElement elError = docResponse.CreateElement( "error" );
      XmlText nErrorMessage = docResponse.CreateTextNode( ex.Message );
      elError.AppendChild( nErrorMessage );
      elResponse.AppendChild( elError );
      context.Response.StatusCode = 500;
    }
    finally
    {
      // Set the response's content type. It must be XML!
      context.Response.ContentType = "text/xml; charset=utf-8";
      // Save the XML document using the response's stream. This concludes the transaction
      docResponse.Save(
        new XmlTextWriter( context.Response.OutputStream, context.Request.ContentEncoding ) );
    }
  }
 
  public bool IsReusable
  {
    get
    {
      return true;
    }
  }
}