code: protected void traverseDir(File dir, TraversalState state) {
      if (isLoggingEnabled())
        getLogger().log(Level.INFO, "Analyzing directory: " + dir);
      traverseDir(null, dir, state);
    }
docs: Fills the class cache with classes in the specified directory.
  
  @param dir		the directory to search
  @param state 	the traversal state