question: public void doGet ( HttpServletRequest request , HttpServletResponse response ) throws ServletException , IOException { long time = System . currentTimeMillis ( ) ; request . getSession ( true ) ; String url = getTargetURL ( request ) ; if ( ! response . isCommitted ( ) ) response . sendRedirect ( url ) ; response . flushBuffer ( ) ; log . fine ( "redirect - " + url ) ; saveClick ( request , url ) ; log . fine ( url + " - " + ( System . currentTimeMillis ( ) - time ) + "ms" ) ; }
target:  Process the HTTP Get request.