Implementing an extensible factory method pattern using ASP.NET and AJAX

/*
	Copyright � 2005 Sriram Chitturi
	THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
	OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
	LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
	FITNESS FOR A PARTICULAR PURPOSE.

	You can use this code as long as this message is intact in it's form
	and give credit to the author for his work.
*/

using System;
using System.Web;

namespace DataBrowser
{
	// This handler handles a custom extension
	// To use the handler
	//	(a) register an extension with IIS
	//	(b) add a custom handler inside web.config file for the extension
	//	for eg.
	//		<httpHandlers>
	//			<add verb="*" path="*.acall" type="DataBrowser.AjaxCallHandler,DataBrowser"/>
	//		</httpHandlers>

	public class AjaxCallHandler : IHttpHandler
	{
		public AjaxCallHandler()
		{
		}
		public void ProcessRequest(HttpContext context)
		{
			AjaxCallProcessor proc = new AjaxCallProcessor(context.Request, context.Response);
			proc.ProcessAjaxCall();
		}

		public bool IsReusable
		{
			get { return false; }
		}
	}
}