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 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.management.snmp.jvminstr;

// java imports
//
import com.sun.jmx.mbeanserver.Util;
import java.io.Serializable;
import java.lang.management.RuntimeMXBean;
import java.lang.management.ManagementFactory;
import java.util.List;
import java.util.Map;

// jmx imports
//
import javax.management.MBeanServer;
import com.sun.jmx.snmp.SnmpString;
import com.sun.jmx.snmp.SnmpStatusException;

// jdmk imports
//
import com.sun.jmx.snmp.agent.SnmpMib;

import sun.management.snmp.jvmmib.JvmRuntimeMBean;
import sun.management.snmp.jvmmib.EnumJvmRTBootClassPathSupport;
import sun.management.snmp.util.JvmContextFactory;

The class is used for implementing the "JvmRuntime" group.
/**
 * The class is used for implementing the "JvmRuntime" group.
 */
public class JvmRuntimeImpl implements JvmRuntimeMBean {

    
Variable for storing the value of "JvmRTBootClassPathSupport".
"Indicates whether the Java virtual machine supports the
boot class path mechanism used by the system class loader
to search for class files.
See java.management.RuntimeMXBean.isBootClassPathSupported()
"
/**
     * Variable for storing the value of "JvmRTBootClassPathSupport".
     *
     * "Indicates whether the Java virtual machine supports the
     * boot class path mechanism used by the system class loader
     * to search for class files.
     *
     * See java.management.RuntimeMXBean.isBootClassPathSupported()
     * "
     *
     */
    static final EnumJvmRTBootClassPathSupport
        JvmRTBootClassPathSupportSupported =
        new EnumJvmRTBootClassPathSupport("supported");
    static final EnumJvmRTBootClassPathSupport
        JvmRTBootClassPathSupportUnSupported =
        new EnumJvmRTBootClassPathSupport("unsupported");

    
Constructor for the "JvmRuntime" group.
If the group contains a table, the entries created through an SNMP SET
will not be registered in Java DMK.
/**
     * Constructor for the "JvmRuntime" group.
     * If the group contains a table, the entries created through an SNMP SET
     * will not be registered in Java DMK.
     */
    public JvmRuntimeImpl(SnmpMib myMib) {

    }


    
Constructor for the "JvmRuntime" group.
If the group contains a table, the entries created through an SNMP SET
will be AUTOMATICALLY REGISTERED in Java DMK.
/**
     * Constructor for the "JvmRuntime" group.
     * If the group contains a table, the entries created through an SNMP SET
     * will be AUTOMATICALLY REGISTERED in Java DMK.
     */
    public JvmRuntimeImpl(SnmpMib myMib, MBeanServer server) {

    }

    static RuntimeMXBean getRuntimeMXBean() {
        return ManagementFactory.getRuntimeMXBean();
    }

    private static String validDisplayStringTC(String str) {
        return JVM_MANAGEMENT_MIB_IMPL.validDisplayStringTC(str);
    }

    private static String validPathElementTC(String str) {
        return JVM_MANAGEMENT_MIB_IMPL.validPathElementTC(str);
    }

    private static String validJavaObjectNameTC(String str) {
        return JVM_MANAGEMENT_MIB_IMPL.validJavaObjectNameTC(str);
    }


    static String[] splitPath(String path) {
        final String[] items = path.split(java.io.File.pathSeparator);
        // for (int i=0;i<items.length;i++) {
        //    items[i]=validPathElementTC(items[i]);
        // }
        return items;
    }

    static String[] getClassPath(Object userData) {
        final Map<Object, Object> m =
                Util.cast((userData instanceof Map)?userData:null);
        final String tag = "JvmRuntime.getClassPath";

        // If the list is in the cache, simply return it.
        //
        if (m != null) {
            final String[] cached = (String[])m.get(tag);
            if (cached != null) return cached;
        }

        final String[] args = splitPath(getRuntimeMXBean().getClassPath());

        if (m != null) m.put(tag,args);
        return args;
    }

    static String[] getBootClassPath(Object userData) {
        if (!getRuntimeMXBean().isBootClassPathSupported())
        return new String[0];

        final Map<Object, Object> m =
                Util.cast((userData instanceof Map)?userData:null);
        final String tag = "JvmRuntime.getBootClassPath";

        // If the list is in the cache, simply return it.
        //
        if (m != null) {
            final String[] cached = (String[])m.get(tag);
            if (cached != null) return cached;
        }

        final String[] args = splitPath(getRuntimeMXBean().getBootClassPath());

        if (m != null) m.put(tag,args);
        return args;
    }

    static String[] getLibraryPath(Object userData) {
        final Map<Object, Object> m =
                Util.cast((userData instanceof Map)?userData:null);
        final String tag = "JvmRuntime.getLibraryPath";

        // If the list is in the cache, simply return it.
        //
        if (m != null) {
            final String[] cached = (String[])m.get(tag);
            if (cached != null) return cached;
        }

        final String[] args = splitPath(getRuntimeMXBean().getLibraryPath());

        if (m != null) m.put(tag,args);
        return args;
    }

    static String[] getInputArguments(Object userData) {
        final Map<Object, Object> m =
                Util.cast((userData instanceof Map)?userData:null);
        final String tag = "JvmRuntime.getInputArguments";

        // If the list is in the cache, simply return it.
        //
        if (m != null) {
            final String[] cached = (String[])m.get(tag);
            if (cached != null) return cached;
        }

        final List<String> l = getRuntimeMXBean().getInputArguments();
        final String[] args = l.toArray(new String[0]);

        if (m != null) m.put(tag,args);
        return args;
    }

    
Getter for the "JvmRTSpecVendor" variable.
/**
     * Getter for the "JvmRTSpecVendor" variable.
     */
    public String getJvmRTSpecVendor() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getSpecVendor());
    }

    
Getter for the "JvmRTSpecName" variable.
/**
     * Getter for the "JvmRTSpecName" variable.
     */
    public String getJvmRTSpecName() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getSpecName());
    }

    
Getter for the "JvmRTVersion" variable.
/**
     * Getter for the "JvmRTVersion" variable.
     */
    public String getJvmRTVMVersion() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getVmVersion());
    }

    
Getter for the "JvmRTVendor" variable.
/**
     * Getter for the "JvmRTVendor" variable.
     */
    public String getJvmRTVMVendor() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getVmVendor());
    }

    
Getter for the "JvmRTManagementSpecVersion" variable.
/**
     * Getter for the "JvmRTManagementSpecVersion" variable.
     */
    public String getJvmRTManagementSpecVersion() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().
                                    getManagementSpecVersion());
    }

    
Getter for the "JvmRTVMName" variable.
/**
     * Getter for the "JvmRTVMName" variable.
     */
    public String getJvmRTVMName() throws SnmpStatusException {
        return validJavaObjectNameTC(getRuntimeMXBean().getVmName());
    }


    
Getter for the "JvmRTInputArgsCount" variable.
/**
     * Getter for the "JvmRTInputArgsCount" variable.
     */
    public Integer getJvmRTInputArgsCount() throws SnmpStatusException {

        final String[] args = getInputArguments(JvmContextFactory.
                                                getUserData());
        return new Integer(args.length);
    }

    
Getter for the "JvmRTBootClassPathSupport" variable.
/**
     * Getter for the "JvmRTBootClassPathSupport" variable.
     */
    public EnumJvmRTBootClassPathSupport getJvmRTBootClassPathSupport()
        throws SnmpStatusException {
        if(getRuntimeMXBean().isBootClassPathSupported())
            return JvmRTBootClassPathSupportSupported;
        else
            return JvmRTBootClassPathSupportUnSupported;
    }

    
Getter for the "JvmRTUptimeMs" variable.
/**
     * Getter for the "JvmRTUptimeMs" variable.
     */
    public Long getJvmRTUptimeMs() throws SnmpStatusException {
        return new Long(getRuntimeMXBean().getUptime());
    }

    
Getter for the "JvmRTStartTimeMs" variable.
/**
     * Getter for the "JvmRTStartTimeMs" variable.
     */
    public Long getJvmRTStartTimeMs() throws SnmpStatusException {
        return new Long(getRuntimeMXBean().getStartTime());
    }

    
Getter for the "JvmRTSpecVersion" variable.
/**
     * Getter for the "JvmRTSpecVersion" variable.
     */
    public String getJvmRTSpecVersion() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getSpecVersion());
    }

    
Getter for the "JvmRTName" variable.
/**
     * Getter for the "JvmRTName" variable.
     */
    public String getJvmRTName() throws SnmpStatusException {
        return validDisplayStringTC(getRuntimeMXBean().getName());
    }

}