jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, Handle loader, Handle protection_domain, jboolean throwError, TRAPS) {

  {- -------------------------------------------
  (1) 
      ---------------------------------------- -}

      // Security Note:
      //   The Java level wrapper will perform the necessary security check allowing
      //   us to pass the NULL as the initiating class loader.

  {- -------------------------------------------
  (1) SystemDictionary::resolve_or_fail() を呼び出して, 指定されたクラスを取得する.
      ---------------------------------------- -}

      klassOop klass = SystemDictionary::resolve_or_fail(name, loader, protection_domain, throwError != 0, CHECK_NULL);

  {- -------------------------------------------
  (1) (変数宣言など)
      ---------------------------------------- -}

      KlassHandle klass_handle(THREAD, klass);

  {- -------------------------------------------
  (1) 引数で初期化も行うように指定されていれば, かつ...#TODO
      Klass::initialize() で初期化しておく.
      ---------------------------------------- -}

      // Check if we should initialize the class
      if (init && klass_handle->oop_is_instance()) {
        klass_handle->initialize(CHECK_NULL);
      }

  {- -------------------------------------------
  (1) 結果を JNI Handle 化してリターン.
      ---------------------------------------- -}

      return (jclass) JNIHandles::make_local(env, klass_handle->java_mirror());
    }