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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
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	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.
	*/
	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()
	* "
	*
	*/
	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.
	*/
	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.
	*/
	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.
	*/
	public String getJvmRTSpecVendor() throws SnmpStatusException {
	return validDisplayStringTC(getRuntimeMXBean().getSpecVendor());
	}

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

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

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

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

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


	/**
	* 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.
	*/
	public EnumJvmRTBootClassPathSupport getJvmRTBootClassPathSupport()
	throws SnmpStatusException {
	if(getRuntimeMXBean().isBootClassPathSupported())
	return JvmRTBootClassPathSupportSupported;
	else
	return JvmRTBootClassPathSupportUnSupported;
	}

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

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

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

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

	}

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