RequiredModelMBean.java 文件源码

private Class<?> loadClass(final String className)
    throws ClassNotFoundException {
    AccessControlContext stack = AccessController.getContext();
    final ClassNotFoundException[] caughtException = new ClassNotFoundException[1];

    Class c = javaSecurityAccess.doIntersectionPrivilege(new PrivilegedAction<Class<?>>() {

        @Override
        public Class<?> run() {
            try {
                ReflectUtil.checkPackageAccess(className);
                return Class.forName(className);
            } catch (ClassNotFoundException e) {
                final ClassLoaderRepository clr =
                    getClassLoaderRepository();
                try {
                    if (clr == null) throw new ClassNotFoundException(className);
                    return clr.loadClass(className);
                } catch (ClassNotFoundException ex) {
                    caughtException[0] = ex;
                }
            }
            return null;
        }
    }, stack, acc);

    if (caughtException[0] != null) {
        throw caughtException[0];
    }

    return c;
}