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 }