Web/GZipHandler.cs

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/**********************************************
 * 类作用：   数据压缩类
 * 建立人：   abaal
 * 建立时间： 2008-09-03 
 * Copyright (C) 2007-2008 abaal
 * All rights reserved
 * http://blog.csdn.net/abaal888
 ***********************************************/

using System;
using System.Web;
using System.IO;
using System.Text;
using System.IO.Compression;
using System.Text.RegularExpressions;

namespace Svnhost.Web
{
    public class GZipHandler : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            HttpContext Context = HttpContext.Current;
            HttpRequest Request = Context.Request;
            HttpResponse Response = Context.Response;

            string AcceptEncoding = Request.Headers["Accept-Encoding"];
            // *** Start by checking whether GZip is supported by client

            bool UseGZip = false;

            if (!string.IsNullOrEmpty(AcceptEncoding) &&

                AcceptEncoding.ToLower().IndexOf("gzip") > -1)

                UseGZip = true;

            // *** Create a cachekey and check whether it exists

            string CacheKey = Request.QueryString.ToString() + UseGZip.ToString();

            byte[] Output = Context.Cache[CacheKey] as byte[];

            if (Output != null)
            {
                // *** Yup - read cache and send to client
                SendOutput(Output, UseGZip);
                return;
            }

            // *** Load the script file 

            string Script = "";


            StreamReader sr = new StreamReader(context.Server.MapPath(Request["src"]));

            Script = sr.ReadToEnd();