/*
 *
 *    OPEN-XCHANGE legal information
 *
 *    All intellectual property rights in the Software are protected by
 *    international copyright laws.
 *
 *
 *    In some countries OX, OX Open-Xchange, open xchange and OXtender
 *    as well as the corresponding Logos OX Open-Xchange and OX are registered
 *    trademarks of the Open-Xchange, Inc. group of companies.
 *    The use of the Logos is not covered by the GNU General Public License.
 *    Instead, you are allowed to use these Logos according to the terms and
 *    conditions of the Creative Commons License, Version 2.5, Attribution,
 *    Non-commercial, ShareAlike, and the interpretation of the term
 *    Non-commercial applicable to the aforementioned license is published
 *    on the web site http://www.open-xchange.com/EN/legal/index.html.
 *
 *    Please make sure that third-party modules and libraries are used
 *    according to their respective licenses.
 *
 *    Any modifications to this package must retain all copyright notices
 *    of the original copyright holder(s) for the original code used.
 *
 *    After any such modifications, the original and derivative code shall remain
 *    under the copyright of the copyright holder(s) and/or original author(s)per
 *    the Attribution and Assignment Agreement that can be located at
 *    http://www.open-xchange.com/EN/developer/. The contributing author shall be
 *    given Attribution for the derivative code and a license granting use.
 *
 *     Copyright (C) 2004-2010 Open-Xchange, Inc.
 *     Mail: info@open-xchange.com
 *
 *
 *     This program is free software; you can redistribute it and/or modify it
 *     under the terms of the GNU General Public License, Version 2 as published
 *     by the Free Software Foundation.
 *
 *     This program 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
 *     for more details.
 *
 *     You should have received a copy of the GNU General Public License along
 *     with this program; if not, write to the Free Software Foundation, Inc., 59
 *     Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

package com.openexchange.server.osgi;

import static com.openexchange.mail.MailServletInterface.mailInterfaceMonitor;
import static com.openexchange.monitoring.MonitorUtility.getObjectName;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.BundleContext;
import com.openexchange.ajp13.monitoring.AJPv13Monitors;
import com.openexchange.groupware.update.tools.UpdateTaskMBeanInit;
import com.openexchange.management.ManagementService;
import com.openexchange.report.internal.ReportingInit;
import com.openexchange.server.osgiservice.BundleServiceTracker;
import com.openexchange.server.services.ServerServiceRegistry;
import com.openexchange.tools.oxfolder.OXFolderProperties;

/**
 * {@link ManagementServiceTracker}
 * 
 * @author <a href="mailto:thorben.betten@open-xchange.com">Thorben Betten</a>
 */
public final class ManagementServiceTracker extends BundleServiceTracker<ManagementService> {

    private static final Log LOG = LogFactory.getLog(ManagementServiceTracker.class);

    private ObjectName gadObjectName;

    /**
     * Initializes a new {@link ManagementServiceTracker}
     * 
     * @param context The bundle context
     */
    public ManagementServiceTracker(final BundleContext context) {
        super(context, ManagementService.class);
    }

    @Override
    protected void addingServiceInternal(final ManagementService managementService) {
        /*
         * Add management service to server's service registry
         */
        ServerServiceRegistry.getInstance().addService(ManagementService.class, managementService);
        try {
            /*
             * Add all mbeans since management service is now available
             */
            gadObjectName = OXFolderProperties.registerRestorerMBean(managementService);
            managementService.registerMBean(
                getObjectName(AJPv13Monitors.AJP_MONITOR_SERVER_THREADS.getClass().getName(), true),
                AJPv13Monitors.AJP_MONITOR_SERVER_THREADS);
            managementService.registerMBean(
                getObjectName(AJPv13Monitors.getListenerMonitor().getClass().getName(), true),
                AJPv13Monitors.getListenerMonitor());
            managementService.registerMBean(getObjectName(mailInterfaceMonitor.getClass().getName(), true), mailInterfaceMonitor);
        } catch (final MalformedObjectNameException e) {
            LOG.error(e.getMessage(), e);
        } catch (final NullPointerException e) {
            LOG.error(e.getMessage(), e);
        } catch (final Exception e) {
            LOG.error(e.getMessage(), e);
        }
        new ReportingInit(managementService).start();
        new UpdateTaskMBeanInit(managementService).start();
    }

    @Override
    protected void removedServiceInternal(final ManagementService managementService) {
        new UpdateTaskMBeanInit(managementService).stop();
        new ReportingInit(managementService).stop();
        try {
            /*
             * Remove all mbeans since management service now disappears
             */
            managementService.unregisterMBean(getObjectName(mailInterfaceMonitor.getClass().getName(), true));
            managementService.unregisterMBean(getObjectName(AJPv13Monitors.getListenerMonitor().getClass().getName(), true));
            managementService.unregisterMBean(getObjectName(AJPv13Monitors.AJP_MONITOR_SERVER_THREADS.getClass().getName(), true));
            OXFolderProperties.unregisterRestorerMBean(gadObjectName, managementService);
        } catch (final MalformedObjectNameException e) {
            LOG.error(e.getMessage(), e);
        } catch (final NullPointerException e) {
            LOG.error(e.getMessage(), e);
        } catch (final Exception e) {
            LOG.error(e.getMessage(), e);
        } finally {
            gadObjectName = null;
        }
    }

}
