JMXClient.java

import java.util.Hashtable;

import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import javax.naming.Context;

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

public class JMXClient {

        private static MBeanServerConnection connection;

        private static JMXConnector connector;

        private static ObjectName service;

        //Update correct port
        private static String port = "7001";

	      //Update localhost if server is accessed remotely	
        private static String url = "t3://localhost:7001";

	      // Update hostname if server is accessed remotely
        private static String hostname = "localhost";

        private static String username = "weblogic";

        private static String password = "weblogic";

	      // server name can differ from host name
	      private static String serverName = "Server-01";

        /*
         * Initialize connection to the Runtime MBean Server
         */
        private static void init() throws IOException, MalformedURLException {
            String protocol = "t3";
            Integer portInteger = Integer.valueOf(port);
            int port = portInteger.intValue();
            String jndiroot = "/jndi/";
            String mserver = "weblogic.management.mbeanservers.runtime";
            //JMXServiceURL serviceURL = new JMXServiceURL(url);
            JMXServiceURL serviceURL = new JMXServiceURL(protocol, hostname, port, jndiroot + mserver);
            Hashtable env = new Hashtable();
            env.put(Context.SECURITY_PRINCIPAL, username);
            env.put(Context.SECURITY_CREDENTIALS, password);
            env.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES, "weblogic.management.remote");
            connector = JMXConnectorFactory.connect(serviceURL, env);
            connection = connector.getMBeanServerConnection();
	 
	          service = new ObjectName("com.bea:Name="+serverName","+
                  "Type=ServerRuntime");
        }
        
        public static void getRuntimeInfo() {
            System.out.println("Getting runtime info....");
            try {
                init();
                String state = (String) connection.getAttribute(service, "State");
                System.out.println("Server state: " + state);
            } catch(Exception e) {
                e.printStackTrace();
            }
        }
        
        public static void suspendServer() {
            System.out.println("Suspending managed server....");
            try {
                init();
                String state = (String) connection.getAttribute(service, "State");
                System.out.println("Server state: " + state);
                connection.invoke(service, "suspend", new Object[] {}, new String[] {});
            } catch(Exception e) {
                e.printStackTrace();
            }
        }
        
        public static void resumeServer() {
            System.out.println("Resuming managed server....");
            try {
                init();
                String state = (String) connection.getAttribute(service, "State");
                System.out.println("Server state: " + state);
                connection.invoke(service, "resume", new Object[] {}, new String[] {});
            } catch(Exception e) {
                e.printStackTrace();
            }
        }
        
        public static void stopServer() {
            System.out.println("Shutting down managed server....");
            try {
                init();
                String state = (String) connection.getAttribute(service, "State");
                System.out.println("Server state: " + state);
                connection.invoke(service, "forceShutdown", new Object[] {}, new String[] {});
            } catch(Exception e) {
                e.printStackTrace();
            }
        }
        
        public static void startServer() {
            System.out.println("Starting managed server....");
            try {
                init();
                String state = (String) connection.getAttribute(service, "State");
                System.out.println("Server state: " + state);
                connection.invoke(service, "start", new Object[] {}, new String[] {});
            } catch(Exception e) {
                e.printStackTrace();
            }
        }
        
        public static void main(String[] args) {
	          // Invoke required methods
            JMXClient.getRuntimeInfo();
            JMXClient.resumeServer();
            JMXClient.getRuntimeInfo();
        }
}