void handleResult(HttpServletRequest request, HttpServletResponse response, Object result) throws Exception {
if (result==null)
return;
if (result instanceof Renderer) {
Renderer r = (Renderer) result;
r.render(this.servletContext, request, response);
return;
}
if (result instanceof String) {
String s = (String) result;
if (s.startsWith("redirect:")) {