/**
         * Override loadClass so we can checkPackageAccess.
         */

        public Class loadClass(String name, boolean resolve)
            throws ClassNotFoundException
        {

  {- -------------------------------------------
  (1) checkPackageAccess() で package のチェックを行っておく.
      ---------------------------------------- -}

                int i = name.lastIndexOf('.');
                if (i != -1) {
                    SecurityManager sm = System.getSecurityManager();
                    if (sm != null) {
                        sm.checkPackageAccess(name.substring(0, i));
                    }
                }

  {- -------------------------------------------
  (1) スーパークラスの loadClass() に処理を委譲.
      ---------------------------------------- -}

                return (super.loadClass(name, resolve));
            }