BaseHandlerStaticizer
using System;
using System.IO;
using System.Text;
using System.Web;

/// <summary>
/// 提供抽象静态化服务.
/// Howard 20090420.
/// </summary>
public abstract class BaseHandlerStaticizer : IHttpHandler {

    private const int ScriptTimeout = 60 * 5;// 5 分钟

    private HttpContext _context;
    protected HttpContext Context {
        get { return _context; }
        private set {
            _context = value;
        }
    }

    /// <summary>
    /// 待处理的需要静态化的Url
    /// </summary>
    protected abstract string[] ProcessUrls {
        get;
    }

    protected abstract bool PreserveForm {
        get;
    }

    protected void Process() {
        Context.Server.ScriptTimeout = ScriptTimeout;
        StringBuilder builder;
        foreach (string url in ProcessUrls) {
            builder = new StringBuilder();
            using (TextWriter tw = new StringWriter(builder)) {
                Context.Server.Execute(url, tw, PreserveForm);
                SaveStaticFile(url, builder.ToString());
            }
        }
    }

    /// <summary>
    /// 保存静态文件
    /// </summary>
    /// <param name="contents"></param>
    /// <param name="url"></param>
    protected abstract void SaveStaticFile(string sourceUrl, string contents);

    #region IHttpHandler 成员

    bool IHttpHandler.IsReusable {
        get { return false; }
    }

    void IHttpHandler.ProcessRequest(HttpContext context) {
        try {
            Context = context;            
            Process();
            context.Response.ContentType = "text/plain";
            context.Response.Write("Ok.");
        }
        catch (Exception E) {
            context.Response.ContentType = "text/plain";
            context.Response.Write(E.ToString());
        }
    }

    #endregion

}