Getting client information in Java ServerFaces

I always log client information in JSF applications in debug mode. I use the following code in a managed bean to retrieve the IP-address, hostname and HTTP-headers from the browser.

// Get the request-object.
HttpServletRequest request = (HttpServletRequest)
(FacesContext.getCurrentInstance().
getExternalContext().getRequest());

// Get the header attributes. Use them to retrieve the actual
// values.
request.getHeaderNames();

// Get the IP-address of the client.
request.getRemoteAddr();

// Get the hostname of the client.
request.getRemoteHost();