Client


1   /*
2    * Copyright (C) The MX4J Contributors.
3    * All rights reserved.
4    *
5    * This software is distributed under the terms of the MX4J License version 1.0.
6    * See the terms of the MX4J License in the documentation provided with this software.
7    */
8   
9   package mx4j.examples.remote.rmi.iiop;
10  
11  import javax.management.MBeanServerConnection  ;
12  import javax.management.MBeanServerDelegateMBean  ;
13  import javax.management.MBeanServerInvocationHandler  ;
14  import javax.management.ObjectName  ;
15  import javax.management.remote.JMXConnector  ;
16  import javax.management.remote.JMXConnectorFactory  ;
17  import javax.management.remote.JMXServiceURL  ;
18  
19  /**
20   * This example shows how to connect to a JSR 160 connector server over IIOP.
21   * It is very similar to the simple example also present in these examples, except
22   * that it uses the IIOP protocol instead of native RMI's one, called JRMP.
23   *
24   * @version $Revision: 1.4 $
25   */
26  public class Client
27  {
28     public static void main(String  [] args) throws Exception  
29     {
30        // The JMXConnectorServer protocol, in this case is IIOP
31        String   serverProtocol = "iiop";
32  
33        // The RMI server's host: this is actually ignored by JSR 160
34        // since this information is stored in the RMI stub.
35        String   serverHost = "host";
36  
37        // The host and port where the COSNaming service runs and the path under which the stub is registered.
38        String   namingHost = "localhost";
39        int namingPort = 1199;
40        String   jndiPath = "/jmxconnector";
41  
42        // The address of the connector server
43        JMXServiceURL   url = new JMXServiceURL  ("service:jmx:" + serverProtocol + "://" + serverHost + "/jndi/iiop://" + namingHost + ":" + namingPort + jndiPath);
44  
45        // Connect a JSR 160 JMXConnector to the server side
46        JMXConnector   connector = JMXConnectorFactory.connect(url);
47  
48        // Retrieve an MBeanServerConnection that represent the MBeanServer the remote
49        // connector server is bound to
50        MBeanServerConnection   connection = connector.getMBeanServerConnection();
51  
52        // Call the server side as if it is a local MBeanServer
53        ObjectName   delegateName = ObjectName.getInstance("JMImplementation:type=MBeanServerDelegate");
54        Object   proxy = MBeanServerInvocationHandler.newProxyInstance(connection, delegateName, MBeanServerDelegateMBean  .class, true);
55        MBeanServerDelegateMBean   delegate = (MBeanServerDelegateMBean  )proxy;
56  
57        // The magic of JDK 1.3 dynamic proxy and JSR 160:
58        // delegate.getImplementationVendor() is actually a remote JMX call,
59        // but it looks like a local, old-style, java call.
60        System.out.println(delegate.getImplementationVendor() + " is cool !");
61     }
62  }
63
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