code: protected String resourceName(final String className) {
      String name = className;
  
      if (!name.startsWith("/")) {
        name = "/" + name;
      }
  
      if (!name.endsWith(DOT_GROOVY)) {
        name = name.replace('.', '/');
        name += DOT_GROOVY;
      }
  
      return name;
    }
docs: Translate class-name into resource-name.