/*

 * 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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.management;

import java.lang.management.LockInfo;

import java.lang.management.ThreadInfo;

import javax.management.Attribute;

import javax.management.StandardMBean;

import javax.management.openmbean.CompositeData;

/**

 * This MXBean is used for data conversion from LockInfo

 * to CompositeData (its mapped type) or vice versa.

 */

class LockDataConverter extends StandardMBean

         implements LockDataConverterMXBean {

    private LockInfo      lockInfo;

    private LockInfo[]    lockedSyncs;

    LockDataConverter() {

        super(LockDataConverterMXBean.class, true);

        this.lockInfo = null;

        this.lockedSyncs = null;

    }

    LockDataConverter(ThreadInfo ti) {

        super(LockDataConverterMXBean.class, true);

        this.lockInfo = ti.getLockInfo();

        this.lockedSyncs = ti.getLockedSynchronizers();

    }

    public void setLockInfo(LockInfo l) {

        this.lockInfo = l;

    }

    public LockInfo getLockInfo() {

        return this.lockInfo;

    }

    public void setLockedSynchronizers(LockInfo[] l) {

        this.lockedSyncs = l;

    }

    public LockInfo[] getLockedSynchronizers() {

        return this.lockedSyncs;

    }

    // helper methods

    CompositeData toLockInfoCompositeData() {

        try {

            return (CompositeData) getAttribute("LockInfo");

        } catch (Exception e) {

            throw new AssertionError(e);

        }

    }

    CompositeData[] toLockedSynchronizersCompositeData() {

        try {

            return (CompositeData[]) getAttribute("LockedSynchronizers");

        } catch (Exception e) {

            throw new AssertionError(e);

        }

    }

    LockInfo toLockInfo(CompositeData cd) {

        try {

            setAttribute(new Attribute("LockInfo", cd));

        } catch (Exception e) {

            throw new AssertionError(e);

        }

        return getLockInfo();

    }

    LockInfo[] toLockedSynchronizers(CompositeData[] cd) {

        try {

            setAttribute(new Attribute("LockedSynchronizers", cd));

        } catch (Exception e) {

            throw new AssertionError(e);

        }

        return getLockedSynchronizers();

    }

    static CompositeData toLockInfoCompositeData(LockInfo l) {

        LockDataConverter ldc = new LockDataConverter();

        ldc.setLockInfo(l);

        return ldc.toLockInfoCompositeData();

    }

}