1 /* |
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2 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package sun.management.snmp.jvminstr; |
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26 |
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27 // java imports |
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28 // |
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29 import com.sun.jmx.mbeanserver.Util; |
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30 import java.io.Serializable; |
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31 import java.lang.management.RuntimeMXBean; |
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32 import java.lang.management.ManagementFactory; |
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33 import java.util.List; |
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34 import java.util.Map; |
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35 |
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36 // jmx imports |
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37 // |
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38 import javax.management.MBeanServer; |
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39 import com.sun.jmx.snmp.SnmpString; |
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40 import com.sun.jmx.snmp.SnmpStatusException; |
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41 |
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42 // jdmk imports |
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43 // |
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44 import com.sun.jmx.snmp.agent.SnmpMib; |
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45 |
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46 import sun.management.snmp.jvmmib.JvmRuntimeMBean; |
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47 import sun.management.snmp.jvmmib.EnumJvmRTBootClassPathSupport; |
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48 import sun.management.snmp.util.JvmContextFactory; |
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49 |
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50 /** |
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51 * The class is used for implementing the "JvmRuntime" group. |
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52 */ |
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53 public class JvmRuntimeImpl implements JvmRuntimeMBean { |
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54 |
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55 /** |
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56 * Variable for storing the value of "JvmRTBootClassPathSupport". |
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57 * |
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58 * "Indicates whether the Java virtual machine supports the |
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59 * boot class path mechanism used by the system class loader |
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60 * to search for class files. |
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61 * |
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62 * See java.management.RuntimeMXBean.isBootClassPathSupported() |
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63 * " |
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64 * |
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65 */ |
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66 static final EnumJvmRTBootClassPathSupport |
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67 JvmRTBootClassPathSupportSupported = |
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68 new EnumJvmRTBootClassPathSupport("supported"); |
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69 static final EnumJvmRTBootClassPathSupport |
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70 JvmRTBootClassPathSupportUnSupported = |
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71 new EnumJvmRTBootClassPathSupport("unsupported"); |
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72 |
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73 /** |
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74 * Constructor for the "JvmRuntime" group. |
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75 * If the group contains a table, the entries created through an SNMP SET |
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76 * will not be registered in Java DMK. |
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77 */ |
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78 public JvmRuntimeImpl(SnmpMib myMib) { |
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79 |
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80 } |
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81 |
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82 |
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83 /** |
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84 * Constructor for the "JvmRuntime" group. |
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85 * If the group contains a table, the entries created through an SNMP SET |
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86 * will be AUTOMATICALLY REGISTERED in Java DMK. |
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87 */ |
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88 public JvmRuntimeImpl(SnmpMib myMib, MBeanServer server) { |
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89 |
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90 } |
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91 |
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92 static RuntimeMXBean getRuntimeMXBean() { |
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93 return ManagementFactory.getRuntimeMXBean(); |
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94 } |
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95 |
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96 private static String validDisplayStringTC(String str) { |
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97 return JVM_MANAGEMENT_MIB_IMPL.validDisplayStringTC(str); |
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98 } |
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99 |
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100 private static String validPathElementTC(String str) { |
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101 return JVM_MANAGEMENT_MIB_IMPL.validPathElementTC(str); |
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102 } |
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103 |
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104 private static String validJavaObjectNameTC(String str) { |
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105 return JVM_MANAGEMENT_MIB_IMPL.validJavaObjectNameTC(str); |
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106 } |
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107 |
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108 |
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109 static String[] splitPath(String path) { |
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110 final String[] items = path.split(java.io.File.pathSeparator); |
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111 // for (int i=0;i<items.length;i++) { |
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112 // items[i]=validPathElementTC(items[i]); |
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113 // } |
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114 return items; |
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115 } |
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116 |
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117 static String[] getClassPath(Object userData) { |
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118 final Map<Object, Object> m = |
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119 Util.cast((userData instanceof Map)?userData:null); |
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120 final String tag = "JvmRuntime.getClassPath"; |
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121 |
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122 // If the list is in the cache, simply return it. |
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123 // |
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124 if (m != null) { |
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125 final String[] cached = (String[])m.get(tag); |
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126 if (cached != null) return cached; |
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127 } |
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128 |
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129 final String[] args = splitPath(getRuntimeMXBean().getClassPath()); |
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130 |
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131 if (m != null) m.put(tag,args); |
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132 return args; |
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133 } |
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134 |
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135 static String[] getBootClassPath(Object userData) { |
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136 if (!getRuntimeMXBean().isBootClassPathSupported()) |
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137 return new String[0]; |
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138 |
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139 final Map<Object, Object> m = |
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140 Util.cast((userData instanceof Map)?userData:null); |
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141 final String tag = "JvmRuntime.getBootClassPath"; |
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142 |
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143 // If the list is in the cache, simply return it. |
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144 // |
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145 if (m != null) { |
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146 final String[] cached = (String[])m.get(tag); |
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147 if (cached != null) return cached; |
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148 } |
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149 |
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150 final String[] args = splitPath(getRuntimeMXBean().getBootClassPath()); |
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151 |
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152 if (m != null) m.put(tag,args); |
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153 return args; |
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154 } |
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155 |
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156 static String[] getLibraryPath(Object userData) { |
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157 final Map<Object, Object> m = |
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158 Util.cast((userData instanceof Map)?userData:null); |
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159 final String tag = "JvmRuntime.getLibraryPath"; |
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160 |
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161 // If the list is in the cache, simply return it. |
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162 // |
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163 if (m != null) { |
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164 final String[] cached = (String[])m.get(tag); |
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165 if (cached != null) return cached; |
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166 } |
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167 |
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168 final String[] args = splitPath(getRuntimeMXBean().getLibraryPath()); |
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169 |
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170 if (m != null) m.put(tag,args); |
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171 return args; |
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172 } |
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173 |
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174 static String[] getInputArguments(Object userData) { |
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175 final Map<Object, Object> m = |
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176 Util.cast((userData instanceof Map)?userData:null); |
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177 final String tag = "JvmRuntime.getInputArguments"; |
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178 |
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179 // If the list is in the cache, simply return it. |
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180 // |
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181 if (m != null) { |
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182 final String[] cached = (String[])m.get(tag); |
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183 if (cached != null) return cached; |
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184 } |
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185 |
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186 final List<String> l = getRuntimeMXBean().getInputArguments(); |
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187 final String[] args = l.toArray(new String[0]); |
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188 |
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189 if (m != null) m.put(tag,args); |
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190 return args; |
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191 } |
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192 |
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193 /** |
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194 * Getter for the "JvmRTSpecVendor" variable. |
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195 */ |
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196 public String getJvmRTSpecVendor() throws SnmpStatusException { |
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197 return validDisplayStringTC(getRuntimeMXBean().getSpecVendor()); |
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198 } |
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199 |
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200 /** |
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201 * Getter for the "JvmRTSpecName" variable. |
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202 */ |
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203 public String getJvmRTSpecName() throws SnmpStatusException { |
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204 return validDisplayStringTC(getRuntimeMXBean().getSpecName()); |
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205 } |
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206 |
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207 /** |
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208 * Getter for the "JvmRTVersion" variable. |
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209 */ |
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210 public String getJvmRTVMVersion() throws SnmpStatusException { |
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211 return validDisplayStringTC(getRuntimeMXBean().getVmVersion()); |
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212 } |
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213 |
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214 /** |
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215 * Getter for the "JvmRTVendor" variable. |
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216 */ |
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217 public String getJvmRTVMVendor() throws SnmpStatusException { |
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218 return validDisplayStringTC(getRuntimeMXBean().getVmVendor()); |
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219 } |
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220 |
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221 /** |
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222 * Getter for the "JvmRTManagementSpecVersion" variable. |
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223 */ |
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224 public String getJvmRTManagementSpecVersion() throws SnmpStatusException { |
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225 return validDisplayStringTC(getRuntimeMXBean(). |
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226 getManagementSpecVersion()); |
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227 } |
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228 |
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229 /** |
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230 * Getter for the "JvmRTVMName" variable. |
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231 */ |
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232 public String getJvmRTVMName() throws SnmpStatusException { |
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233 return validJavaObjectNameTC(getRuntimeMXBean().getVmName()); |
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234 } |
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235 |
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236 |
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237 /** |
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238 * Getter for the "JvmRTInputArgsCount" variable. |
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239 */ |
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240 public Integer getJvmRTInputArgsCount() throws SnmpStatusException { |
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241 |
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242 final String[] args = getInputArguments(JvmContextFactory. |
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243 getUserData()); |
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244 return args.length; |
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245 } |
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246 |
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247 /** |
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248 * Getter for the "JvmRTBootClassPathSupport" variable. |
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249 */ |
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250 public EnumJvmRTBootClassPathSupport getJvmRTBootClassPathSupport() |
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251 throws SnmpStatusException { |
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252 if(getRuntimeMXBean().isBootClassPathSupported()) |
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253 return JvmRTBootClassPathSupportSupported; |
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254 else |
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255 return JvmRTBootClassPathSupportUnSupported; |
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256 } |
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257 |
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258 /** |
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259 * Getter for the "JvmRTUptimeMs" variable. |
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260 */ |
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261 public Long getJvmRTUptimeMs() throws SnmpStatusException { |
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262 return getRuntimeMXBean().getUptime(); |
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263 } |
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264 |
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265 /** |
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266 * Getter for the "JvmRTStartTimeMs" variable. |
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267 */ |
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268 public Long getJvmRTStartTimeMs() throws SnmpStatusException { |
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269 return getRuntimeMXBean().getStartTime(); |
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270 } |
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271 |
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272 /** |
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273 * Getter for the "JvmRTSpecVersion" variable. |
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274 */ |
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275 public String getJvmRTSpecVersion() throws SnmpStatusException { |
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276 return validDisplayStringTC(getRuntimeMXBean().getSpecVersion()); |
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277 } |
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278 |
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279 /** |
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280 * Getter for the "JvmRTName" variable. |
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281 */ |
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282 public String getJvmRTName() throws SnmpStatusException { |
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283 return validDisplayStringTC(getRuntimeMXBean().getName()); |
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284 } |
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285 |
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286 } |
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