} else if (hvalue instanceof HttpEntityTagList) {
HttpEntityTagList etl = (HttpEntityTagList) hvalue;
etl.addTag(HttpFactory.parseETag(value));
} else if (hvalue instanceof HttpExtList) {
HttpExtList el = (HttpExtList) hvalue;
el.addHttpExt(new HttpExt(value, false));
} else if (hvalue instanceof HttpCookieList) {
// shouldn't be used, but who knows?
HttpCookieList cl = (HttpCookieList) hvalue;
HttpCookieList ncl = HttpFactory.parseCookieList(value);
HttpCookie scookies[] = ncl.getCookies();