Distinguish ajax requests from full requests in JSF custom validator

Question

My validator needs to know if it is a full request or an ajax request. In my current solution I check the http request header for the X-Requested-With element:

Answer 1

I would not rely on http header. Never tried it by myself, but you could do the following:

PartialViewContext pvc = facesContext.getPartialViewContext();
if(pvc.isAjaxRequest()) {
// ...
} else {
// ...
}

Another option is using isPartialRequest() instead of isAjaxRequest()