jdk/src/jdk.snmp/share/classes/sun/management/snmp/jvminstr/JvmRuntimeImpl.java
changeset 27188 a1aa62221649
parent 27187 020b64fc02df
child 27189 b90845965ee9
equal deleted inserted replaced
27187:020b64fc02df 27188:a1aa62221649
     1 /*
       
     2  * Copyright (c) 2003, 2006, 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.  Oracle designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Oracle in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22  * or visit www.oracle.com if you need additional information or have any
       
    23  * questions.
       
    24  */
       
    25 package sun.management.snmp.jvminstr;
       
    26 
       
    27 // java imports
       
    28 //
       
    29 import com.sun.jmx.mbeanserver.Util;
       
    30 import java.io.Serializable;
       
    31 import java.lang.management.RuntimeMXBean;
       
    32 import java.lang.management.ManagementFactory;
       
    33 import java.util.List;
       
    34 import java.util.Map;
       
    35 
       
    36 // jmx imports
       
    37 //
       
    38 import javax.management.MBeanServer;
       
    39 import com.sun.jmx.snmp.SnmpString;
       
    40 import com.sun.jmx.snmp.SnmpStatusException;
       
    41 
       
    42 // jdmk imports
       
    43 //
       
    44 import com.sun.jmx.snmp.agent.SnmpMib;
       
    45 
       
    46 import sun.management.snmp.jvmmib.JvmRuntimeMBean;
       
    47 import sun.management.snmp.jvmmib.EnumJvmRTBootClassPathSupport;
       
    48 import sun.management.snmp.util.JvmContextFactory;
       
    49 
       
    50 /**
       
    51  * The class is used for implementing the "JvmRuntime" group.
       
    52  */
       
    53 public class JvmRuntimeImpl implements JvmRuntimeMBean {
       
    54 
       
    55     /**
       
    56      * Variable for storing the value of "JvmRTBootClassPathSupport".
       
    57      *
       
    58      * "Indicates whether the Java virtual machine supports the
       
    59      * boot class path mechanism used by the system class loader
       
    60      * to search for class files.
       
    61      *
       
    62      * See java.management.RuntimeMXBean.isBootClassPathSupported()
       
    63      * "
       
    64      *
       
    65      */
       
    66     static final EnumJvmRTBootClassPathSupport
       
    67         JvmRTBootClassPathSupportSupported =
       
    68         new EnumJvmRTBootClassPathSupport("supported");
       
    69     static final EnumJvmRTBootClassPathSupport
       
    70         JvmRTBootClassPathSupportUnSupported =
       
    71         new EnumJvmRTBootClassPathSupport("unsupported");
       
    72 
       
    73     /**
       
    74      * Constructor for the "JvmRuntime" group.
       
    75      * If the group contains a table, the entries created through an SNMP SET
       
    76      * will not be registered in Java DMK.
       
    77      */
       
    78     public JvmRuntimeImpl(SnmpMib myMib) {
       
    79 
       
    80     }
       
    81 
       
    82 
       
    83     /**
       
    84      * Constructor for the "JvmRuntime" group.
       
    85      * If the group contains a table, the entries created through an SNMP SET
       
    86      * will be AUTOMATICALLY REGISTERED in Java DMK.
       
    87      */
       
    88     public JvmRuntimeImpl(SnmpMib myMib, MBeanServer server) {
       
    89 
       
    90     }
       
    91 
       
    92     static RuntimeMXBean getRuntimeMXBean() {
       
    93         return ManagementFactory.getRuntimeMXBean();
       
    94     }
       
    95 
       
    96     private static String validDisplayStringTC(String str) {
       
    97         return JVM_MANAGEMENT_MIB_IMPL.validDisplayStringTC(str);
       
    98     }
       
    99 
       
   100     private static String validPathElementTC(String str) {
       
   101         return JVM_MANAGEMENT_MIB_IMPL.validPathElementTC(str);
       
   102     }
       
   103 
       
   104     private static String validJavaObjectNameTC(String str) {
       
   105         return JVM_MANAGEMENT_MIB_IMPL.validJavaObjectNameTC(str);
       
   106     }
       
   107 
       
   108 
       
   109     static String[] splitPath(String path) {
       
   110         final String[] items = path.split(java.io.File.pathSeparator);
       
   111         // for (int i=0;i<items.length;i++) {
       
   112         //    items[i]=validPathElementTC(items[i]);
       
   113         // }
       
   114         return items;
       
   115     }
       
   116 
       
   117     static String[] getClassPath(Object userData) {
       
   118         final Map<Object, Object> m =
       
   119                 Util.cast((userData instanceof Map)?userData:null);
       
   120         final String tag = "JvmRuntime.getClassPath";
       
   121 
       
   122         // If the list is in the cache, simply return it.
       
   123         //
       
   124         if (m != null) {
       
   125             final String[] cached = (String[])m.get(tag);
       
   126             if (cached != null) return cached;
       
   127         }
       
   128 
       
   129         final String[] args = splitPath(getRuntimeMXBean().getClassPath());
       
   130 
       
   131         if (m != null) m.put(tag,args);
       
   132         return args;
       
   133     }
       
   134 
       
   135     static String[] getBootClassPath(Object userData) {
       
   136         if (!getRuntimeMXBean().isBootClassPathSupported())
       
   137         return new String[0];
       
   138 
       
   139         final Map<Object, Object> m =
       
   140                 Util.cast((userData instanceof Map)?userData:null);
       
   141         final String tag = "JvmRuntime.getBootClassPath";
       
   142 
       
   143         // If the list is in the cache, simply return it.
       
   144         //
       
   145         if (m != null) {
       
   146             final String[] cached = (String[])m.get(tag);
       
   147             if (cached != null) return cached;
       
   148         }
       
   149 
       
   150         final String[] args = splitPath(getRuntimeMXBean().getBootClassPath());
       
   151 
       
   152         if (m != null) m.put(tag,args);
       
   153         return args;
       
   154     }
       
   155 
       
   156     static String[] getLibraryPath(Object userData) {
       
   157         final Map<Object, Object> m =
       
   158                 Util.cast((userData instanceof Map)?userData:null);
       
   159         final String tag = "JvmRuntime.getLibraryPath";
       
   160 
       
   161         // If the list is in the cache, simply return it.
       
   162         //
       
   163         if (m != null) {
       
   164             final String[] cached = (String[])m.get(tag);
       
   165             if (cached != null) return cached;
       
   166         }
       
   167 
       
   168         final String[] args = splitPath(getRuntimeMXBean().getLibraryPath());
       
   169 
       
   170         if (m != null) m.put(tag,args);
       
   171         return args;
       
   172     }
       
   173 
       
   174     static String[] getInputArguments(Object userData) {
       
   175         final Map<Object, Object> m =
       
   176                 Util.cast((userData instanceof Map)?userData:null);
       
   177         final String tag = "JvmRuntime.getInputArguments";
       
   178 
       
   179         // If the list is in the cache, simply return it.
       
   180         //
       
   181         if (m != null) {
       
   182             final String[] cached = (String[])m.get(tag);
       
   183             if (cached != null) return cached;
       
   184         }
       
   185 
       
   186         final List<String> l = getRuntimeMXBean().getInputArguments();
       
   187         final String[] args = l.toArray(new String[0]);
       
   188 
       
   189         if (m != null) m.put(tag,args);
       
   190         return args;
       
   191     }
       
   192 
       
   193     /**
       
   194      * Getter for the "JvmRTSpecVendor" variable.
       
   195      */
       
   196     public String getJvmRTSpecVendor() throws SnmpStatusException {
       
   197         return validDisplayStringTC(getRuntimeMXBean().getSpecVendor());
       
   198     }
       
   199 
       
   200     /**
       
   201      * Getter for the "JvmRTSpecName" variable.
       
   202      */
       
   203     public String getJvmRTSpecName() throws SnmpStatusException {
       
   204         return validDisplayStringTC(getRuntimeMXBean().getSpecName());
       
   205     }
       
   206 
       
   207     /**
       
   208      * Getter for the "JvmRTVersion" variable.
       
   209      */
       
   210     public String getJvmRTVMVersion() throws SnmpStatusException {
       
   211         return validDisplayStringTC(getRuntimeMXBean().getVmVersion());
       
   212     }
       
   213 
       
   214     /**
       
   215      * Getter for the "JvmRTVendor" variable.
       
   216      */
       
   217     public String getJvmRTVMVendor() throws SnmpStatusException {
       
   218         return validDisplayStringTC(getRuntimeMXBean().getVmVendor());
       
   219     }
       
   220 
       
   221     /**
       
   222      * Getter for the "JvmRTManagementSpecVersion" variable.
       
   223      */
       
   224     public String getJvmRTManagementSpecVersion() throws SnmpStatusException {
       
   225         return validDisplayStringTC(getRuntimeMXBean().
       
   226                                     getManagementSpecVersion());
       
   227     }
       
   228 
       
   229     /**
       
   230      * Getter for the "JvmRTVMName" variable.
       
   231      */
       
   232     public String getJvmRTVMName() throws SnmpStatusException {
       
   233         return validJavaObjectNameTC(getRuntimeMXBean().getVmName());
       
   234     }
       
   235 
       
   236 
       
   237     /**
       
   238      * Getter for the "JvmRTInputArgsCount" variable.
       
   239      */
       
   240     public Integer getJvmRTInputArgsCount() throws SnmpStatusException {
       
   241 
       
   242         final String[] args = getInputArguments(JvmContextFactory.
       
   243                                                 getUserData());
       
   244         return args.length;
       
   245     }
       
   246 
       
   247     /**
       
   248      * Getter for the "JvmRTBootClassPathSupport" variable.
       
   249      */
       
   250     public EnumJvmRTBootClassPathSupport getJvmRTBootClassPathSupport()
       
   251         throws SnmpStatusException {
       
   252         if(getRuntimeMXBean().isBootClassPathSupported())
       
   253             return JvmRTBootClassPathSupportSupported;
       
   254         else
       
   255             return JvmRTBootClassPathSupportUnSupported;
       
   256     }
       
   257 
       
   258     /**
       
   259      * Getter for the "JvmRTUptimeMs" variable.
       
   260      */
       
   261     public Long getJvmRTUptimeMs() throws SnmpStatusException {
       
   262         return getRuntimeMXBean().getUptime();
       
   263     }
       
   264 
       
   265     /**
       
   266      * Getter for the "JvmRTStartTimeMs" variable.
       
   267      */
       
   268     public Long getJvmRTStartTimeMs() throws SnmpStatusException {
       
   269         return getRuntimeMXBean().getStartTime();
       
   270     }
       
   271 
       
   272     /**
       
   273      * Getter for the "JvmRTSpecVersion" variable.
       
   274      */
       
   275     public String getJvmRTSpecVersion() throws SnmpStatusException {
       
   276         return validDisplayStringTC(getRuntimeMXBean().getSpecVersion());
       
   277     }
       
   278 
       
   279     /**
       
   280      * Getter for the "JvmRTName" variable.
       
   281      */
       
   282     public String getJvmRTName() throws SnmpStatusException {
       
   283         return validDisplayStringTC(getRuntimeMXBean().getName());
       
   284     }
       
   285 
       
   286 }