ArrayNotificationBuffer.java 文件源码

private static boolean isInstanceOf(final MBeanServer mbs,
                                    final ObjectName name,
                                    final String className) {
    PrivilegedExceptionAction<Boolean> act =
        new PrivilegedExceptionAction<Boolean>() {
            public Boolean run() throws InstanceNotFoundException {
                return mbs.isInstanceOf(name, className);
            }
        };
    try {
        return AccessController.doPrivileged(act);
    } catch (Exception e) {
        logger.fine("isInstanceOf", "failed: " + e);
        logger.debug("isInstanceOf", e);
        return false;
    }
}