ServerNotifForwarder.java 文件源码

static void checkMBeanPermission(
        final MBeanServer mbs, final ObjectName name, final String actions)
        throws InstanceNotFoundException, SecurityException {

    SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        AccessControlContext acc = AccessController.getContext();
        ObjectInstance oi;
        try {
            oi = AccessController.doPrivileged(
                new PrivilegedExceptionAction<ObjectInstance>() {
                    public ObjectInstance run()
                    throws InstanceNotFoundException {
                        return mbs.getObjectInstance(name);
                    }
            });
        } catch (PrivilegedActionException e) {
            throw (InstanceNotFoundException) extractException(e);
        }
        String classname = oi.getClassName();
        MBeanPermission perm = new MBeanPermission(
            classname,
            null,
            name,
            actions);
        sm.checkPermission(perm, acc);
    }
}