/**
* Adds a notification listener to the target bean.
*
* @throws Exception
*/
protected void addNotificationListener() throws Exception {
JMXEndpoint ep = (JMXEndpoint) getEndpoint();
NotificationFilter nf = ep.getNotificationFilter();
ObjectName objectName = ep.getJMXObjectName();
getServerConnection().addNotificationListener(objectName, this, nf, ep.getHandback());
}
/**
* Processes the Notification received. The handback will be set as the header "jmx.handback"
* while the Notification will be set as the body.
*
* <p>If the format is set to "xml" then the Notification will be converted to XML first using
* {@link NotificationXmlFormatter}
*
* @see javax.management.NotificationListener#handleNotification(javax.management.Notification,
* java.lang.Object)
*/
public void handleNotification(Notification aNotification, Object aHandback) {
JMXEndpoint ep = (JMXEndpoint) getEndpoint();
Exchange exchange = getEndpoint().createExchange(ExchangePattern.InOnly);
Message message = exchange.getIn();
message.setHeader("jmx.handback", aHandback);
try {
if (ep.isXML()) {
message.setBody(getFormatter().format(aNotification));
} else {
message.setBody(aNotification);
}
getProcessor().process(exchange);
} catch (NotificationFormatException e) {
getExceptionHandler().handleException("Failed to marshal notification", e);
} catch (Exception e) {
getExceptionHandler().handleException("Failed to process notification", e);
}
}
/**
* Initializes the mbean server connection and starts listening for Notification events from the
* object.
*/
@Override
protected void doStart() throws Exception {
super.doStart();
JMXEndpoint ep = (JMXEndpoint) getEndpoint();
// connect to the mbean server
if (ep.isPlatformServer()) {
setServerConnection(ManagementFactory.getPlatformMBeanServer());
} else {
JMXServiceURL url = new JMXServiceURL(ep.getServerURL());
String[] creds = {ep.getUser(), ep.getPassword()};
Map<String, String[]> map = Collections.singletonMap(JMXConnector.CREDENTIALS, creds);
JMXConnector connector = JMXConnectorFactory.connect(url, map);
setServerConnection(connector.getMBeanServerConnection());
}
// subscribe
addNotificationListener();
}
/** Removes the consumer as a listener from the bean. */
protected void removeNotificationListener() throws Exception {
JMXEndpoint ep = (JMXEndpoint) getEndpoint();
getServerConnection().removeNotificationListener(ep.getJMXObjectName(), this);
}
