/*

 * Copyright (c) 2003, 2004, 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 java.io.Serializable;

import java.lang.management.ClassLoadingMXBean;

import java.lang.management.ManagementFactory;

// 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.JvmClassLoadingMBean;

import sun.management.snmp.jvmmib.EnumJvmClassesVerboseLevel;

import sun.management.snmp.util.MibLogger;

/**

 * The class is used for implementing the "JvmClassLoading" group.

 */

public class JvmClassLoadingImpl implements JvmClassLoadingMBean {

    /**

     * Variable for storing the value of "JvmClassesVerboseLevel".

     *

     * "verbose: if the -verbose:class flag is set.

     * silent:  otherwise.

     *

     * See java.management.ClassLoadingMXBean.isVerbose(),

     * java.management.ClassLoadingMXBean.setVerbose()

     * "

     *

     */

    static final EnumJvmClassesVerboseLevel JvmClassesVerboseLevelVerbose =

        new EnumJvmClassesVerboseLevel("verbose");

    static final EnumJvmClassesVerboseLevel JvmClassesVerboseLevelSilent =

        new EnumJvmClassesVerboseLevel("silent");

    /**

     * Constructor for the "JvmClassLoading" group.

     * If the group contains a table, the entries created through an

     * SNMP SET will not be registered in Java DMK.

     */

    public JvmClassLoadingImpl(SnmpMib myMib) {

    }

    /**

     * Constructor for the "JvmClassLoading" group.

     * If the group contains a table, the entries created through an SNMP SET

     * will be AUTOMATICALLY REGISTERED in Java DMK.

     */

    public JvmClassLoadingImpl(SnmpMib myMib, MBeanServer server) {

    }

    static ClassLoadingMXBean getClassLoadingMXBean() {

        return ManagementFactory.getClassLoadingMXBean();

    }

    /**

     * Getter for the "JvmClassesVerboseLevel" variable.

     */

    public EnumJvmClassesVerboseLevel getJvmClassesVerboseLevel()

        throws SnmpStatusException {

        if(getClassLoadingMXBean().isVerbose())

            return JvmClassesVerboseLevelVerbose;

        else

            return JvmClassesVerboseLevelSilent;

    }

    /**

     * Setter for the "JvmClassesVerboseLevel" variable.

     */

    public void setJvmClassesVerboseLevel(EnumJvmClassesVerboseLevel x)

        throws SnmpStatusException {

        final boolean verbose;

        if (JvmClassesVerboseLevelVerbose.equals(x)) verbose=true;

        else if (JvmClassesVerboseLevelSilent.equals(x)) verbose=false;

        // Should never happen, this case is handled by

        // checkJvmClassesVerboseLevel();

        else throw new

            SnmpStatusException(SnmpStatusException.snmpRspWrongValue);

        getClassLoadingMXBean().setVerbose(verbose);

    }

    /**

     * Checker for the "JvmClassesVerboseLevel" variable.

     */

    public void checkJvmClassesVerboseLevel(EnumJvmClassesVerboseLevel x)

        throws SnmpStatusException {

        //

        // Add your own checking policy.

        //

        if (JvmClassesVerboseLevelVerbose.equals(x)) return;

        if (JvmClassesVerboseLevelSilent.equals(x))  return;

        throw new SnmpStatusException(SnmpStatusException.snmpRspWrongValue);

    }

    /**

     * Getter for the "JvmClassesUnloadedCount" variable.

     */

    public Long getJvmClassesUnloadedCount() throws SnmpStatusException {

        return getClassLoadingMXBean().getUnloadedClassCount();

    }

    /**

     * Getter for the "JvmClassesTotalLoadedCount" variable.

     */

    public Long getJvmClassesTotalLoadedCount() throws SnmpStatusException {

        return getClassLoadingMXBean().getTotalLoadedClassCount();

    }

    /**

     * Getter for the "JvmClassesLoadedCount" variable.

     */

    public Long getJvmClassesLoadedCount() throws SnmpStatusException {

        return (long)getClassLoadingMXBean().getLoadedClassCount();

    }

}