Notifications about changes to centralized configuration settings

import java.util.List;

import com.bmc.arsys.api.ARException;
import com.bmc.arsys.api.ARServerUser;
import com.bmc.arsys.companion.client.configuration.ConfigurationChange;
import com.bmc.arsys.companion.client.configuration.ConfigurationClient;
import com.bmc.arsys.companion.client.configuration.ConfigurationClientFactory;
import com.bmc.arsys.companion.client.configuration.ConfigurationListener;
import com.bmc.arsys.companion.client.notification.NotificationClient;
import com.bmc.arsys.companion.client.notification.NotificationClientFactory;
import com.bmc.arsys.util.ArrayCentralConfig;
import com.bmc.arsys.util.CentralConfigFactory;

public class NotificationRegistrationTest implements ConfigurationListener {

    protected static ARServerUser serverUser = null;
    protected static ArrayCentralConfig centralConfig = null;
   // provide appropriate user name for the server
    protected static String user = "Demo";
   // provide appropriate password for the user name
    protected static String password = "";
    protected static String authentication = "";
    protected static String locale = null;
   // provide arserver name
    protected static String serverName = "localhost";
    protected static int tcpPort = 0;
    protected static int NOTIFICATION_INTERVAL = 30;
   // hostname
    protected static String hostname = "localhost";
    protected static int RMIPORT = 0;
    protected static String componenttype = "com.bmc.arsys.pluginServer";
    protected static String componentName = "PluginServer_IN-santokum-w1_9977_IDGBJ2JDGUNAAAPIKATOPHN12DAI6RPluginServer_clm-pun-022381_9977_IDGBJ2JDGUNAAAPIKATOPHN12DAI6R";

    public static void main(String[] args) {

        serverUser = new ARServerUser(user, password, authentication, locale,
                serverName, tcpPort);
       // write a class implementing ConfigurationListener. This class will have update function
       // which will receive notification for changes in configuration for component type and
       // component name registered.
        NotificationRegistrationTest notificationListner = new NotificationRegistrationTest();
        ConfigurationClient client = new ConfigurationClientFactory().create(hostname, RMIPORT,
                serverUser, notificationListner, NOTIFICATION_INTERVAL);
       // add component type and component name for which you want change notification to be
       // recieved.
        client.addConfiguration(componenttype, componentName);
       // Initialize the notification client
        NotificationClient notificationClient = new NotificationClientFactory().create(hostname,
                serverUser, NOTIFICATION_INTERVAL);
        notificationClient.addListener(client);
        client.start();
        notificationClient.start();

    }

   @Override
    public void update(ConfigurationChange confChange) {
       // get new configuration
       // compare with existing configuration and take appropriate action where changes occured.
        CentralConfigFactory factory = CentralConfigFactory.newInstance(serverUser);
        ArrayCentralConfig centralConfig = factory.newArrayCentralConfig();
        List<String[]> settings = null;
       try {
            settings = centralConfig.getConfigSettingsAsList(componentName, componenttype, null);
        } catch (ARException e) {
           // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}