public WebSiteOperation(IHtmlCleaner htmlCleaner, IKeywordOperation keywordOperation)
        {
            _htmlCleaner      = htmlCleaner;
            _keywordOperation = keywordOperation;

            WhiteList = new List <String> {
                "php", "xps", "aspx", "axd", "chm", "do", "jhtml",
                "jnlp", "json", "mht", "gg", "gsp", "adr", "css",
                "mvc", "pac", "url", "xul", "_eml", "!bt", "asp",
                "att", "cer", "cfm", "con", "htc", "htm", "html",
                "js", "jsf", "jsp", "mhtml", "nzb", "rss", "vbd",
                "web", "wsdl", "xfdl", "aex", "pem", "wrf", "xbel",
                "alx", "ap", "ascx", "asr", "dap", "dml", "dwt",
                "email", "mai", "phtml", "shtml", "wgt", "wml", "xhtml",
                "crl", "pando", "pfc", "qbo"
            };
        }
 public IndexerManager(IWebSiteOperation webSiteOperation, IKeywordOperation keywordOperation)
 {
     _webSiteOperation = webSiteOperation;
     _keywordOperation = keywordOperation;
 }