BBM.RemoteWidget.RemoteWidgetController.RemoteWidgetController C# (CSharp) Method

        public RemoteWidgetController(Page page, string remote_url, string param_prefix, string language)
        {
            m_page = page;
            m_remote_url = remote_url;
            m_param_prefix = param_prefix;
            m_language = language;
            if (m_language.Trim().Length == 0) m_language = "en";

            m_items = new List<RemoteWidgetSubject>();
            m_widgets = new Hashtable();

            // see if we have a POST or an AJAX request for a widget
            m_post_target = m_page.Request.QueryString[m_param_prefix + "post"];
            m_ajax_target = m_page.Request.QueryString[m_param_prefix + "ajax"];
            if (m_post_target != null && m_ajax_target != null) throw new Exception("You may only POST or AJAX-POST to one widget per request");

            // strip extra crap out of the url so we can safely build urls
            string url = m_page.Request.Url.OriginalString.Split(new char[] { '?' }, 2, StringSplitOptions.RemoveEmptyEntries)[0] + "?";
            foreach (string k in m_page.Request.QueryString) {
                if (k == null) continue; // foo=bar&baz gives a null k
                // copy safe-looking params across - stripping out anything starting with our widget prefix
                string v = m_page.Request.QueryString[k];
                if (k.StartsWith(m_param_prefix)) continue;
                url += m_page.Server.UrlEncode(k) + "=" + m_page.Server.UrlEncode(v) + "&";
            }
            m_postback_url_prefix = url;
        }