import java.util.Iterator; import java.util.Set;

import javax.management.Attribute; import javax.management.MBeanInfo; import javax.management.MBeanServerConnection; import javax.management.MBeanServerInvocationHandler; import javax.management.ObjectInstance; import javax.management.ObjectName; import javax.management.remote.JMXConnector; import javax.management.remote.JMXConnectorFactory; import javax.management.remote.JMXServiceURL;

public class Client {

    public static void main(String[] args) throws Exception {
              JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9999/server");         JMXConnector jmxc = JMXConnectorFactory.connect(url, null);         MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();         ObjectName mbeanName = new ObjectName("chengang:name=HelloWorld");

        //把所有Domain都打印出来         System.out.println("Domains:---------------");         String domains[] = mbsc.getDomains();         for (int i = 0; i < domains.length; i++) {
                  System.out.println("\tDomain[" + i + "] = " + domains[i]);         }

        //MBean的总数         System.out.println("MBean count = " + mbsc.getMBeanCount());

        //对name属性的操作（属性名的第一个字母要大写）         mbsc.setAttribute(mbeanName, new Attribute("Name", "Chen.Gang"));//设值         System.out.println("Name = " + mbsc.getAttribute(mbeanName, "Name"));//取值

        //得到proxy代理后直接调用的方式         HelloMBean proxy = (HelloMBean) MBeanServerInvocationHandler.newProxyInstance(mbsc, mbeanName, HelloMBean.class, false);         proxy.printHello();         proxy.printHello("陈刚");

        //远程调用的方式         mbsc.invoke(mbeanName, "printHello", null, null);         mbsc.invoke(mbeanName, "printHello", new Object[] { "子在川上曰" }, new String[] { String.class.getName() });

        //得mbean的信息         MBeanInfo info = mbsc.getMBeanInfo(mbeanName);         System.out.println("Hello Class: " + info.getClassName());         System.out.println("Hello Attriber：" + info.getAttributes()[0].getName());         System.out.println("Hello Operation：" + info.getOperations()[0].getName());

        //得到所有的MBean的ObjectName         System.out.println("all ObjectName：---------------");         Set set = mbsc.queryMBeans(null, null);         for (Iterator it = set.iterator(); it.hasNext();) {
                  ObjectInstance oi = (ObjectInstance) it.next();             System.out.println("\t" + oi.getObjectName());         }

        //注销         //mbsc.unregisterMBean(mbeanName);         //关闭MBeanServer连接         jmxc.close();     } }