code: public static final AAFCon<?> obtain(Object servletRequest) {
  		if(servletRequest instanceof CadiWrap) {
  			Lur lur = ((CadiWrap)servletRequest).getLur();
  			if(lur != null) {
  				if(lur instanceof EpiLur) {
  					AbsAAFLur<?> aal = (AbsAAFLur<?>) ((EpiLur)lur).subLur(AbsAAFLur.class);
  					if(aal!=null) {
  						return aal.aaf;
  					}
  				} else {
  					if(lur instanceof AbsAAFLur) {
  						return ((AbsAAFLur<?>)lur).aaf;
  					}
  				}
  			}
  		}
  		return null;
  	}
docs: Return the backing AAFCon, if there is a Lur Setup that is AAF.
  
  If there is no AAFLur setup, it will return "null"
  @param servletRequest
  @return