@Override
public void init() throws ServletException {
LOG.info("enter--init");
super.init();
ArrayList<MBeanServer> serverList = MBeanServerFactory.findMBeanServer(null);
MBeanServer serverHelloWorld = (MBeanServer) serverList.get(0);
final HelloWorldService helloWorldMBean = new HelloWorldService();
ObjectName helloWorld = null;
try {
helloWorld = new ObjectName("jboss.jmx:name=HelloJMX");
serverHelloWorld.registerMBean(helloWorldMBean, helloWorld);
} catch (MalformedObjectNameException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
} catch (MBeanRegistrationException e) {
e.printStackTrace();
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
}
LOG.info("exit--init");
}
public void start() {
this.mbeanServer = ManagementFactory.getPlatformMBeanServer();
try {
platformMonitor = new ObjectName(OBJECT_NAME);
this.mbeanServer.registerMBean(this, platformMonitor);
} catch (MalformedObjectNameException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
} catch (MBeanRegistrationException e) {
e.printStackTrace();
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
}
}
public void registerCircuitBreaker(final CircuitBreaker circuitBreaker, final String name)
throws JMException {
ObjectName mbeanObjectName = null;
ObjectName serviceName = Qi4jMBeans.findServiceName(server, application.name(), name);
if (serviceName != null) {
mbeanObjectName = new ObjectName(serviceName.toString() + ",name=Circuit breaker");
} else {
try {
mbeanObjectName = new ObjectName("CircuitBreaker:name=" + name);
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException("Illegal name:" + name);
}
}
CircuitBreakerJMX bean = new CircuitBreakerJMX(circuitBreaker, mbeanObjectName);
try {
server.registerMBean(bean, mbeanObjectName);
registeredCircuitBreakers.put(circuitBreaker, mbeanObjectName);
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
} catch (MBeanRegistrationException e) {
e.printStackTrace();
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
}
// Add logger
circuitBreaker.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals("status")) {
if (evt.getNewValue().equals(CircuitBreaker.Status.on))
LoggerFactory.getLogger(CircuitBreakerManagement.class)
.info("Circuit breaker " + name + " is now on");
else
LoggerFactory.getLogger(CircuitBreakerManagement.class)
.error("Circuit breaker " + name + " is now off");
}
}
});
}
/**
* Starts the MBean
*
* @return
*/
public static boolean create(LocationService locationService) {
MBeanServer mbs = SleeContainer.lookupFromJndi().getMBeanServer();
ObjectName on = null;
try {
on = new ObjectName(MBEAN_NAME);
} catch (Exception e) {
e.printStackTrace();
}
try {
if (mbs.getObjectInstance(on) != null) {
mbs.unregisterMBean(on);
}
} catch (InstanceNotFoundException e) {
// ignore
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
mbs.registerMBean(new LocationServiceManagement(locationService), on);
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
return false;
} catch (MBeanRegistrationException e) {
e.printStackTrace();
return false;
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
return false;
}
return true;
}
/**
* Registers a logger to the management server.
*
* @param logger A logger to be registered for management.
*/
public static synchronized void register(Logger logger) {
try {
ManagementFactory.getPlatformMBeanServer()
.createMBean(
"com.hapiware.jmx.log4j.Logging",
new ObjectName(LOGGING_NAME),
new Object[] {logger.getLoggerRepository()},
new String[] {"org.apache.log4j.spi.LoggerRepository"});
} catch (MBeanException e) {
e.printStackTrace();
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
} catch (MalformedObjectNameException e) {
e.printStackTrace();
} catch (ReflectionException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
}
}
public static PRTGInterface getAndRegisterBean(String beanname) {
// Find an agent from this JVM. Null argument will return
// a list of all MBeanServer instances.
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
ObjectName name = getJMXObjectName(getObjectName(beanname));
PRTGInterface retVal = getBean(beanname);
try {
if (server.isRegistered(name)) {
server.unregisterMBean(name);
}
// register the MBean
server.registerMBean(retVal, name);
// Invoke the printInfo operation on an
// uninitialized MBean instance.
Object result =
server.invoke(
name, // MBean name
"printInfo", // operation name
null, // no parameters
null // void signature
);
} catch (InstanceNotFoundException e) {
e.printStackTrace();
} catch (MBeanException e) {
e.getTargetException().printStackTrace();
} catch (ReflectionException e) {
e.printStackTrace();
} catch (InstanceAlreadyExistsException e) {
e.printStackTrace();
} catch (NotCompliantMBeanException e) {
e.printStackTrace();
}
return retVal;
}
