public void clearReferrerURLCookie ( HttpServletRequest req , HttpServletResponse res , String cookieName ) { String url = CookieHelper . getCookieValue ( req . getCookies ( ) , cookieName ) ; if ( url != null && url . length ( ) > 0 ) { invalidateReferrerURLCookie ( req , res , cookieName ) ; } }
Removes the referrer URL cookie from the HttpServletResponse if set in the HttpServletRequest .