package jp.gr.java_conf.skrb.game.trivia.mclient;

import java.io.IOException;
import java.net.MalformedURLException;

import javax.management.InstanceNotFoundException;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import javax.management.monitor.MonitorNotification;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;

import jp.gr.java_conf.skrb.game.trivia.mserver.TriviaMBeanStarter;

public class TriviaMBeanRemoteTest4 {

    public static final String TRIVIA_SERVER_ADDRESS = "service:jmx:rmi:///jndi/rmi://localhost/trivia";

    private MBeanServerConnection connection;
    private ObjectName monitorName;

    public TriviaMBeanRemoteTest4() {
        try {
            JMXServiceURL url = new JMXServiceURL(TRIVIA_SERVER_ADDRESS);
            JMXConnector connector = JMXConnectorFactory.connect(url, null);
            connection = connector.getMBeanServerConnection();

            monitorName = new ObjectName(TriviaMBeanStarter.TRIVIA_MONITOR_MBEAN_NAME);
            addNotificationListener();

        } catch (MalformedObjectNameException ex) {
            ex.printStackTrace();
        } catch (MalformedURLException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        }

        waitUntilKeyboardInput();
    }

    private void waitUntilKeyboardInput() {
        try {
            System.in.read();
        } catch (IOException ex) {}
    }

    private void addNotificationListener() {
        try {
            NotificationListener listener = new NotificationListener() {
                public void handleNotification(Notification notification, Object handback) {
                    System.out.println("Received notification: " + notification);
                        
                    MonitorNotification mNotification = (MonitorNotification)notification;
                    System.out.println("MBean: " + mNotification.getObservedObject());
                    System.out.println("Attribute: " + mNotification.getObservedAttribute());
                    System.out.println("Trigger: " + mNotification.getTrigger());
                    System.out.println("Gauge: " + mNotification.getDerivedGauge());
                    System.out.println();
                }
            };
            connection.addNotificationListener(monitorName, listener, null, null);
        } catch (InstanceNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    public static void main(String[] args) {
        new TriviaMBeanRemoteTest4();
    }
}