1 /*

     2  * Copyright (c) 2011, 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     7104647

    27  * @summary Basic Test for HotSpotDiagnosticMXBean.getDiagnosticCommandInfo()

    28  * @author  Frederic Parain

    29  *

    30  * @run main GetDiagnosticCommandInfo

    31  */

    32 

    33 import com.sun.management.HotSpotDiagnosticMXBean;

    34 import com.sun.management.DiagnosticCommandInfo;

    35 import com.sun.management.DiagnosticCommandArgumentInfo;

    36 import com.sun.management.VMOption;

    37 import java.lang.management.ManagementFactory;

    38 import java.util.List;

    39 import javax.management.MBeanServer;

    40 

    41 public class GetDiagnosticCommandInfo {

    42     private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =

    43         "com.sun.management:type=HotSpotDiagnostic";

    44 

    45     public static void main(String[] args) throws Exception {

    46         HotSpotDiagnosticMXBean mbean =

    47             ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);

    48         checkDiagnosticCommandArguments(mbean);

    49 

    50         MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

    51         mbean = ManagementFactory.newPlatformMXBeanProxy(mbs,

    52                     HOTSPOT_DIAGNOSTIC_MXBEAN_NAME,

    53                     HotSpotDiagnosticMXBean.class);

    54         checkDiagnosticCommandArguments(mbean);

    55     }

    56 

    57     private static void checkDiagnosticCommandArguments(HotSpotDiagnosticMXBean mbean) {

    58         // check getDiagnosticCommandInfo()

    59         StringBuilder sb = new StringBuilder();

    60         List<DiagnosticCommandInfo> infoList = mbean.getDiagnosticCommandInfo();

    61         for(DiagnosticCommandInfo info : infoList) {

    62             printCommandInfo(info,sb);

    63         }

    64         // check getDiagnosticCommandInfo(List<String>)

    65         List<String> commands = mbean.getDiagnosticCommands();

    66         List<DiagnosticCommandInfo> list2 =

    67             mbean.getDiagnosticCommandInfo(commands);

    68         for(DiagnosticCommandInfo info : list2) {

    69             printCommandInfo(info,sb);

    70         }

    71         // check getDiagnosticCommandInfo(String)

    72         for(String cmd : commands) {

    73             DiagnosticCommandInfo info2 = mbean.getDiagnosticCommandInfo(cmd);

    74             printCommandInfo(info2,sb);

    75         }

    76         System.out.println(sb.toString());

    77     }

    78 

    79     private static void printCommandInfo(DiagnosticCommandInfo info,

    80                                          StringBuilder sb) {

    81         sb.append("\t").append(info.getName()).append(":\n");

    82         sb.append("\t\tDescription=").append(info.getDescription()).append("\n");

    83         sb.append("\t\tImpact=").append(info.getImpact()).append("\n");

    84         sb.append("\t\tStatus=");

    85         if (info.isEnabled()) {

    86             sb.append("Enabled\n");

    87         } else {

    88             sb.append("Disbled\n");

    89         }

    90         sb.append("\t\tArguments=");

    91         for(DiagnosticCommandArgumentInfo arg : info.getArgumentsInfo()) {

    92             printArgumentInfo(arg,sb);

    93         }

    94     }

    95 

    96     private static void printArgumentInfo(DiagnosticCommandArgumentInfo info,

    97                                           StringBuilder sb) {

    98         sb.append("\t\t\t").append(info.getName()).append(":\n");

    99         sb.append("\t\t\t\tType=").append(info.getType()).append("\n");

   100         sb.append("\t\t\t\tDescription=").append(info.getDescription()).append("\n");

   101         if(info.getDefault() != null) {

   102             sb.append("\t\t\t\tDefault=").append(info.getDefault()).append("\n");

   103         }

   104         if(info.isMandatory()) {

   105             sb.append("\t\t\t\tMandatory\n");

   106         } else {

   107             sb.append("\t\t\t\tOptional\n");

   108         }

   109         if(info.isOption()) {

   110             sb.append("\t\t\t\tIs an option\n");

   111         } else {

   112             sb.append("\t\t\t\tIs an argument expected at position");

   113             sb.append(info.getPosition());

   114             sb.append("\n");

   115         }

   116     }

   117 }