1 /* 2 * Copyright (c) 2011, 2013, 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 * @run main GetDiagnosticCommandInfo 30 */ 31 32 import com.sun.management.HotSpotDiagnosticMXBean; 33 import com.sun.management.DiagnosticCommandInfo; 34 import com.sun.management.DiagnosticCommandArgumentInfo; 35 import com.sun.management.VMOption; 36 import java.lang.management.ManagementFactory; 37 import java.util.List; 38 import javax.management.MBeanServer; 39 40 public class GetDiagnosticCommandInfo { 41 private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME = 42 "com.sun.management:type=HotSpotDiagnostic"; 43 44 public static void main(String[] args) throws Exception { 45 HotSpotDiagnosticMXBean mbean = 46 ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class); 47 checkDiagnosticCommandArguments(mbean); 48 49 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 50 mbean = ManagementFactory.newPlatformMXBeanProxy(mbs, 51 HOTSPOT_DIAGNOSTIC_MXBEAN_NAME, 52 HotSpotDiagnosticMXBean.class); 53 checkDiagnosticCommandArguments(mbean); 54 } 55 56 private static void checkDiagnosticCommandArguments(HotSpotDiagnosticMXBean mbean) { 57 // check getDiagnosticCommandInfo() 58 StringBuilder sb = new StringBuilder(); 59 List<DiagnosticCommandInfo> infoList = mbean.getDiagnosticCommandInfo(); 60 for(DiagnosticCommandInfo info : infoList) { 61 printCommandInfo(info,sb); 62 } 63 // check getDiagnosticCommandInfo(List<String>) 64 List<String> commands = mbean.getDiagnosticCommands(); 65 List<DiagnosticCommandInfo> list2 = 66 mbean.getDiagnosticCommandInfo(commands); 67 for(DiagnosticCommandInfo info : list2) { 68 printCommandInfo(info,sb); 69 } 70 // check getDiagnosticCommandInfo(String) 71 for(String cmd : commands) { 72 DiagnosticCommandInfo info2 = mbean.getDiagnosticCommandInfo(cmd); 73 printCommandInfo(info2,sb); 74 } 75 System.out.println(sb.toString()); 76 } 77 78 private static void printCommandInfo(DiagnosticCommandInfo info, 79 StringBuilder sb) { 80 sb.append("\t").append(info.getName()).append(":\n"); 81 sb.append("\t\tDescription=").append(info.getDescription()).append("\n"); 82 sb.append("\t\tImpact=").append(info.getImpact()).append("\n"); 83 sb.append("\t\tStatus="); 84 if (info.isEnabled()) { 85 sb.append("Enabled\n"); 86 } else { 87 sb.append("Disbled\n"); 88 } 89 sb.append("\t\tArguments="); 90 for(DiagnosticCommandArgumentInfo arg : info.getArgumentsInfo()) { 91 printArgumentInfo(arg,sb); 92 } 93 } 94 95 private static void printArgumentInfo(DiagnosticCommandArgumentInfo info, 96 StringBuilder sb) { 97 sb.append("\t\t\t").append(info.getName()).append(":\n"); 98 sb.append("\t\t\t\tType=").append(info.getType()).append("\n"); 99 sb.append("\t\t\t\tDescription=").append(info.getDescription()).append("\n"); 100 if(info.getDefault() != null) { 101 sb.append("\t\t\t\tDefault=").append(info.getDefault()).append("\n"); 102 } 103 if(info.isMandatory()) { 104 sb.append("\t\t\t\tMandatory\n"); 105 } else { 106 sb.append("\t\t\t\tOptional\n"); 107 } 108 if(info.isOption()) { 109 sb.append("\t\t\t\tIs an option\n"); 110 } else { 111 sb.append("\t\t\t\tIs an argument expected at position"); 112 sb.append(info.getPosition()); 113 sb.append("\n"); 114 } 115 } 116 }