Check User-Agent with jsf

Question

I want to check the user agent of my client. (If it's possible the browser type/version)

But I don't know how do that...

Thank you for your help.

Answer 1

It is OK, I have find. I use :

final HttpServletRequest request =(HttpServletRequest)FacesContext.getCurrentInstance().getExternalContext().getRequest();
final String userAgent = request.getHeader("user-agent");
System.out.println(userAgent);

Thank you for your help.

Answer 2

It is sent in the User-Agent http header.

HttpServletRequest request = (HttpServletRequest)context.getExternalContext().getRequest();
String userAgent = request.getHeader("user-agent");