private static boolean findInFile(@NotNull VirtualFile file, @NotNull StringTokenizer tokenizer) {
    if (!tokenizer.hasMoreTokens()) return true;
    @NonNls StringBuilder name = new StringBuilder(tokenizer.nextToken());
    if (!tokenizer.hasMoreTokens()) {
      name.append(".class");
    }
    final VirtualFile child = file.findChild(name.toString());
    return child != null && findInFile(child, tokenizer);
  }
private static boolean findInFile(@NotNull VirtualFile file, @NotNull StringTokenizer tokenizer)