/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug     7150256
 * @summary Basic Test for the DiagnosticCommandMBean
 * @author  Frederic Parain
 *
 * @run main/othervm -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.port=8127 DcmdMBeanTest
 */


import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.Descriptor;
import javax.management.InstanceNotFoundException;
import javax.management.IntrospectionException;
import javax.management.MBeanInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.ReflectionException;
import javax.management.*;
import javax.management.remote.*;

public class DcmdMBeanTest {

    private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
        "com.sun.management:type=DiagnosticCommand";

    public static void main(String[] args) {
	MBeanServerConnection mbs = null;
	try {
	    JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:8127/jmxrmi");
	    JMXConnector connector = JMXConnectorFactory.connect(url);
	    mbs = connector.getMBeanServerConnection();
	} catch(Throwable t) {
	    t.printStackTrace();
	}
        ObjectName name;
        try {
            name = new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME);
            MBeanInfo info = mbs.getMBeanInfo(name);
            // the test should check that the MBean doesn't have any
            // Attribute, notification or constructor. Current version only
            // check operations
            System.out.println("Class Name:"+info.getClassName());
            System.out.println("Description:"+info.getDescription());
            MBeanOperationInfo[] opInfo = info.getOperations();
            System.out.println("Operations:");
            for(int i=0; i<opInfo.length; i++) {
                printOperation(opInfo[i]);
		System.out.println("\n@@@@@@\n");
            }
        } catch (InstanceNotFoundException|IntrospectionException|ReflectionException
                 |MalformedObjectNameException|IOException ex) {
            Logger.getLogger(DcmdMBeanTest.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    static void printOperation(MBeanOperationInfo info) {
        System.out.println("Name: "+info.getName());
        System.out.println("Description: "+info.getDescription());
        System.out.println("Return Type: "+info.getReturnType());
        System.out.println("Impact: "+info.getImpact());
        // print parameters info?
        Descriptor desc = info.getDescriptor();
        System.out.println("Descriptor");
        for(int i=0; i<desc.getFieldNames().length; i++) {
            if(desc.getFieldNames()[i].compareTo("dcmd.arguments") == 0) {
                System.out.println("\t"+desc.getFieldNames()[i]+":");
                Descriptor desc2 =
                        (Descriptor)desc.getFieldValue(desc.getFieldNames()[i]);
                for(int j=0; j<desc2.getFieldNames().length; j++) {
                    System.out.println("\t\t"+desc2.getFieldNames()[j]+"=");
                    Descriptor desc3 =
                            (Descriptor)desc2.getFieldValue(desc2.getFieldNames()[j]);
		    for(int k=0; k<desc3.getFieldNames().length; k++) {
			System.out.println("\t\t\t"+desc3.getFieldNames()[k]+"="
					   +desc3.getFieldValue(desc3.getFieldNames()[k]));
		    }
                }
            } else {
                System.out.println("\t"+desc.getFieldNames()[i]+"="
                        +desc.getFieldValue(desc.getFieldNames()[i]));
            }
        }
    }
           
}