\RequirePackage{ifthen}
\RequirePackage{jbw-switch}

\DeclareSwitch{llncs}
\DeclareSwitch{jfp}

\newcommand{\ifclass}[1]
  {\@ifundefined{currentclass}
     {% New method.
      % This only detects if the class file has been loaded, but does not
      % distinguish between the final class loaded by \documentclass and
      % superclasses loaded by \LoadClass.
      \@ifclassloaded{#1}}
     {% Old method.
      \ifthenelse{\equal{\currentclass}{#1}}}}

\ifclass{llncs}{\llncstrue}{\llncsfalse}
\ifclass{jfp}{\jfptrue}{\jfpfalse}