1 /*******************************************************************************
2  * Copyright (c) 2009, 2015 Mountainminds GmbH & Co. KG and Contributors
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  *    Evgeny Mandrikov - initial API and implementation
10  *
11  *******************************************************************************/
12 package org.jacoco.examples;
13 
14 import java.io.FileOutputStream;
15 
16 import javax.management.MBeanServerConnection;
17 import javax.management.MBeanServerInvocationHandler;
18 import javax.management.ObjectName;
19 import javax.management.remote.JMXConnector;
20 import javax.management.remote.JMXConnectorFactory;
21 import javax.management.remote.JMXServiceURL;
22 
23 /**
24  * This example connects to a coverage agent that run in output mode
25  * <code>mbean</code> and requests execution data. The collected data is dumped
26  * to a local file.
27  */
28 public final class MBeanClient {
29 
30 	private static final String DESTFILE = "jacoco-client.exec";
31 
32 	private static final String SERVICE_URL = "service:jmx:rmi:///jndi/rmi://localhost:9999/jmxrmi";
33 
34 	/**
35 	 * Execute the example.
36 	 *
37 	 * @param args
38 	 * @throws Exception
39 	 */
main(final String[] args)40 	public static void main(final String[] args) throws Exception {
41 		// Open connection to the coverage agent:
42 		JMXServiceURL url = new JMXServiceURL(SERVICE_URL);
43 		JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
44 		MBeanServerConnection connection = jmxc.getMBeanServerConnection();
45 
46 		IProxy proxy = (IProxy) MBeanServerInvocationHandler.newProxyInstance(
47 				connection, new ObjectName("org.jacoco:type=Runtime"),
48 				IProxy.class, false);
49 
50 		// Retrieve JaCoCo version and session id:
51 		System.out.println("Version: " + proxy.getVersion());
52 		System.out.println("Session: " + proxy.getSessionId());
53 
54 		// Retrieve dump and write to file:
55 		byte[] dump = proxy.dump(false);
56 		final FileOutputStream localFile = new FileOutputStream(DESTFILE);
57 		localFile.write(dump);
58 		localFile.close();
59 
60 		// Close connection:
61 		jmxc.close();
62 	}
63 
64 	private interface IProxy {
getVersion()65 		String getVersion();
66 
getSessionId()67 		String getSessionId();
68 
setSessionId(String id)69 		void setSessionId(String id);
70 
dump(boolean reset)71 		byte[] dump(boolean reset);
72 
reset()73 		void reset();
74 	}
75 
MBeanClient()76 	private MBeanClient() {
77 	}
78 }
79