public static NetworkingPreference getCHTTLUrlUtils() {
		if(UrlUtil == null){
			ProxyInfo proxyInfo = new ProxyInfo();
			proxyInfo.setHost(DYNA_PROXY_HOST);
			proxyInfo.setPort(DYNA_PROXY_PORT);
			UrlUtil = new NetworkingPreference(proxyInfo);
		}
		
		return UrlUtil;
	}