code: public static JClassLoaderWrapper create(ClassLoader loader)
    {
      JClassLoaderWrapper jLoader = _localClassLoader.getLevel(loader);
      
      if (jLoader == null) {
        jLoader = new JClassLoaderWrapper(loader);
        _localClassLoader.set(jLoader, loader);
      }
  
      return jLoader;
    }
docs: Creates the class loader with the context class loader.