content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *    Evgeny Mandrikov - initial API and implementation
   *
   *******************************************************************************/
  package org.jacoco.examples;
  
  import java.io.FileOutputStream;
  
  import javax.management.MBeanServerConnection;
  import javax.management.MBeanServerInvocationHandler;
  import javax.management.ObjectName;
  import javax.management.remote.JMXConnector;
  import javax.management.remote.JMXConnectorFactory;
  import javax.management.remote.JMXServiceURL;
  
  /**
   * This example connects to a JaCoCo agent that runs with the option
   * <code>jmx=yes</code> and requests execution data. The collected data is
   * dumped to a local file.
   */
  public final class MBeanClient {
  
  	private static final String DESTFILE = "jacoco-client.exec";
  
  	private static final String SERVICE_URL = "service:jmx:rmi:///jndi/rmi://localhost:9999/jmxrmi";
  
  	/**
  	 * Execute the example.
  	 * 
  	 * @param args
  	 * @throws Exception
  	 */
  	public static void main(final String[] args) throws Exception {
  		// Open connection to the coverage agent:
  		final JMXServiceURL url = new JMXServiceURL(SERVICE_URL);
  		final JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
  		final MBeanServerConnection connection = jmxc
  				.getMBeanServerConnection();
  
  		final IProxy proxy = (IProxy) MBeanServerInvocationHandler
  				.newProxyInstance(connection, new ObjectName(
  						"org.jacoco:type=Runtime"), IProxy.class, false);
  
  		// Retrieve JaCoCo version and session id:
  		System.out.println("Version: " + proxy.getVersion());
  		System.out.println("Session: " + proxy.getSessionId());
  
  		// Retrieve dump and write to file:
  		final byte[] data = proxy.getExecutionData(false);
  		final FileOutputStream localFile = new FileOutputStream(DESTFILE);
  		localFile.write(data);
  		localFile.close();
  
  		// Close connection:
  		jmxc.close();
  	}
  
  	interface IProxy {
  		String getVersion();
  
  		String getSessionId();
  
  		void setSessionId(String id);
  
  		byte[] getExecutionData(boolean reset);
  
  		void dump(boolean reset);
  
  		void reset();
  	}
  
  	private MBeanClient() {
  	}
  }
  