Example usage for javax.management MBeanServer getObjectInstance

Introduction

In this page you can find the example usage for javax.management MBeanServer getObjectInstance.

Prototype

public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException;

Source Link

Usage

From source file:net.sbbi.upnp.jmx.upnp.UPNPConnectorServer.java

public void handleNotification(Notification notification, Object handBack) {

    if (notification.getType().equals(MBeanServerNotification.REGISTRATION_NOTIFICATION)) {
        MBeanServerNotification regNot = (MBeanServerNotification) notification;
        MBeanServer srv = getMBeanServer();
        ObjectName name = regNot.getMBeanName();
        try {//from   ww w . j  a  v  a 2  s.c o m
            ObjectInstance objIn = srv.getObjectInstance(name);
            String className = objIn.getClassName();
            // do not expose as UPN, UPNP devices exposed as MBeans ( class UPNPServiceMBean purpose )
            if (className.equals(UPNPServiceMBean.class.getName()))
                return;
            if (builder.select(name, className)) {
                MBeanInfo info = srv.getMBeanInfo(name);
                UPNPMBeanDevice dv = builder.buildUPNPMBean(getMBeanServer(), objIn, info);
                if (dv != null) {
                    dv.setBindAddress(sktAddress);
                    dv.start();
                    registeredMBeans.put(name.toString(), dv);
                }
            }
        } catch (Exception ex) {
            log.error("Error during UPNP Mbean device " + name.toString() + " creation", ex);
        }
    } else if (notification.getType().equals(MBeanServerNotification.UNREGISTRATION_NOTIFICATION)) {
        MBeanServerNotification regNot = (MBeanServerNotification) notification;
        String beanName = regNot.getMBeanName().toString();
        synchronized (STOP_PROCESS) {
            UPNPMBeanDevice dv = (UPNPMBeanDevice) registeredMBeans.get(beanName);
            if (dv != null) {
                try {
                    dv.stop();
                } catch (Exception ex) {
                    log.error("Error during UPNPMBean device stop", ex);
                }
                registeredMBeans.remove(beanName);
            }
        }
    }
}

---

From source file:com.googlecode.psiprobe.beans.ContainerListenerBean.java

/**
 * Load ObjectNames for the relevant MBeans so they can be queried at a later stage without searching MBean server
 * over and over again.// www .j  a  v  a 2s.  c om
 *
 * @throws Exception - this method does not handle any of the exceptions that may be thrown when querying MBean server.
 */
private synchronized void initialize() throws Exception {

    MBeanServer server = getContainerWrapper().getResourceResolver().getMBeanServer();
    String serverName = getContainerWrapper().getTomcatContainer().getName();
    Set threadPools = server.queryMBeans(new ObjectName(serverName + ":type=ThreadPool,*"), null);
    poolNames = new ArrayList(threadPools.size());
    for (Iterator it = threadPools.iterator(); it.hasNext();) {

        ThreadPoolObjectName threadPoolObjectName = new ThreadPoolObjectName();
        ObjectName threadPoolName = ((ObjectInstance) it.next()).getObjectName();

        String name = threadPoolName.getKeyProperty("name");

        threadPoolObjectName.setThreadPoolName(threadPoolName);
        ObjectName grpName = server
                .getObjectInstance(new ObjectName(
                        threadPoolName.getDomain() + ":type=GlobalRequestProcessor,name=" + name))
                .getObjectName();
        threadPoolObjectName.setGlobalRequestProcessorName(grpName);

        //
        // unfortunately exact workers could not be found at the time of testing
        // so we filter out the relevant workers within the loop
        //
        Set workers = server
                .queryMBeans(new ObjectName(threadPoolName.getDomain() + ":type=RequestProcessor,*"), null);

        for (Iterator wrkIt = workers.iterator(); wrkIt.hasNext();) {
            ObjectName wrkName = ((ObjectInstance) wrkIt.next()).getObjectName();
            if (name.equals(wrkName.getKeyProperty("worker"))) {
                threadPoolObjectName.getRequestProcessorNames().add(wrkName);
            }
        }

        poolNames.add(threadPoolObjectName);
    }

    Set executors = server.queryMBeans(new ObjectName(serverName + ":type=Executor,*"), null);
    executorNames = new ArrayList(executors.size());
    for (Iterator it = executors.iterator(); it.hasNext();) {
        ObjectName executorName = ((ObjectInstance) it.next()).getObjectName();
        executorNames.add(executorName);
    }

    // Register with MBean server
    server.addNotificationListener(new ObjectName("JMImplementation:type=MBeanServerDelegate"), this, null,
            null);

}

---

From source file:org.opennms.netmgt.eventd.adaptors.EventHandlerMBeanProxy.java

private void findServer() throws InstanceNotFoundException {

    for (final MBeanServer sx : findMBeanServers()) {
        try {/*from w  w  w . ja  va  2  s  . c  o  m*/
            if (sx.getObjectInstance(m_listener) != null) {
                m_mbserver = sx;
                break;
            }
        } catch (final InstanceNotFoundException e) {
            // do nothing
        }
    }
    if (m_mbserver == null) {
        throw new InstanceNotFoundException("could not locate mbean server instance");
    }

}

---