1 /*
   2  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug     7150256
  27  * @summary Basic Test for the DiagnosticCommandMBean
  28  * @author  Frederic Parain, Shanliang JIANG
  29  *
  30  * @modules jdk.management
  31  * @run main/othervm DcmdMBeanTest
  32  */
  33 
  34 
  35 import java.lang.management.ManagementFactory;
  36 import javax.management.Descriptor;
  37 import javax.management.MBeanInfo;
  38 import javax.management.MBeanOperationInfo;
  39 import javax.management.MBeanServer;
  40 import javax.management.ObjectName;
  41 import javax.management.*;
  42 import javax.management.remote.*;
  43 
  44 public class DcmdMBeanTest {
  45 
  46     private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
  47         "com.sun.management:type=DiagnosticCommand";
  48 
  49     public static void main(String[] args) throws Exception {
  50         System.out.println("--->JRCMD MBean Test: invocation on \"operation info\"...");
  51 
  52         MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
  53         JMXServiceURL url = new JMXServiceURL("rmi", null, 0);
  54         JMXConnectorServer cs = null;
  55         JMXConnector cc = null;
  56         try {
  57             cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
  58             cs.start();
  59             JMXServiceURL addr = cs.getAddress();
  60             cc = JMXConnectorFactory.connect(addr);
  61             MBeanServerConnection mbsc = cc.getMBeanServerConnection();
  62             ObjectName name = new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME);
  63             MBeanInfo info = mbsc.getMBeanInfo(name);
  64 
  65             // the test should check that the MBean doesn't have any
  66             // Attribute, notification or constructor. Current version only
  67             // check operations
  68             System.out.println("Class Name:" + info.getClassName());
  69             System.out.println("Description:" + info.getDescription());
  70             MBeanOperationInfo[] opInfo = info.getOperations();
  71             System.out.println("Operations:");
  72             for (int i = 0; i < opInfo.length; i++) {
  73                 printOperation(opInfo[i]);
  74                 System.out.println("\n@@@@@@\n");
  75             }
  76         } finally {
  77             try {
  78                 cc.close();
  79                 cs.stop();
  80             } catch (Exception e) {
  81             }
  82         }
  83 
  84         System.out.println("Test passed");
  85     }
  86 
  87     static void printOperation(MBeanOperationInfo info) {
  88         System.out.println("Name: "+info.getName());
  89         System.out.println("Description: "+info.getDescription());
  90         System.out.println("Return Type: "+info.getReturnType());
  91         System.out.println("Impact: "+info.getImpact());
  92         Descriptor desc = info.getDescriptor();
  93         System.out.println("Descriptor");
  94         for(int i=0; i<desc.getFieldNames().length; i++) {
  95             if(desc.getFieldNames()[i].compareTo("dcmd.arguments") == 0) {
  96                 System.out.println("\t"+desc.getFieldNames()[i]+":");
  97                 Descriptor desc2 =
  98                         (Descriptor)desc.getFieldValue(desc.getFieldNames()[i]);
  99                 for(int j=0; j<desc2.getFieldNames().length; j++) {
 100                     System.out.println("\t\t"+desc2.getFieldNames()[j]+"=");
 101                     Descriptor desc3 =
 102                             (Descriptor)desc2.getFieldValue(desc2.getFieldNames()[j]);
 103                     for(int k=0; k<desc3.getFieldNames().length; k++) {
 104                         System.out.println("\t\t\t"+desc3.getFieldNames()[k]+"="
 105                                            +desc3.getFieldValue(desc3.getFieldNames()[k]));
 106                     }
 107                 }
 108             } else {
 109                 System.out.println("\t"+desc.getFieldNames()[i]+"="
 110                         +desc.getFieldValue(desc.getFieldNames()[i]));
 111             }
 112         }
 113     }
 114 }