com.liferay.calendar.servlet.CalendarServletContextListener.java Source code

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Here is the source code for com.liferay.calendar.servlet.CalendarServletContextListener.java

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/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.calendar.servlet;

import com.liferay.calendar.service.CalendarImporterLocalServiceUtil;
import com.liferay.calendar.service.ClpSerializer;
import com.liferay.calendar.util.PortletPropsValues;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.messaging.DestinationNames;
import com.liferay.portal.kernel.messaging.HotDeployMessageListener;
import com.liferay.portal.kernel.messaging.Message;
import com.liferay.portal.kernel.messaging.MessageBusUtil;
import com.liferay.portal.kernel.messaging.MessageListener;
import com.liferay.portal.kernel.util.BasePortalLifecycle;
import com.liferay.portal.kernel.util.StringBundler;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.lang.time.StopWatch;

/**
 * @author Marcellus Tavares
 */
public class CalendarServletContextListener extends BasePortalLifecycle implements ServletContextListener {

    @Override
    public void contextDestroyed(ServletContextEvent servletContextEvent) {
        portalDestroy();
    }

    @Override
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        registerPortalLifecycle();
    }

    @Override
    protected void doPortalDestroy() throws Exception {
        MessageBusUtil.unregisterMessageListener(DestinationNames.HOT_DEPLOY, _messageListener);
    }

    @Override
    protected void doPortalInit() throws Exception {
        _messageListener = new HotDeployMessageListener(ClpSerializer.getServletContextName()) {

            @Override
            protected void onDeploy(Message message) throws Exception {
                if (!PortletPropsValues.CALENDAR_SYNC_CALEVENTS_ON_STARTUP) {
                    return;
                }

                StopWatch stopWatch = null;

                if (_log.isInfoEnabled()) {
                    stopWatch = new StopWatch();

                    stopWatch.start();
                }

                CalendarImporterLocalServiceUtil.importCalEvents();

                if (_log.isInfoEnabled()) {
                    StringBundler sb = new StringBundler(6);

                    sb.append("Calendar events synchronization takes ");
                    sb.append(stopWatch.getTime());
                    sb.append(" ms. Set the property ");
                    sb.append("\"calendar.sync.calevents.on.startup\" ");
                    sb.append("to \"false\" to disable calendar events ");
                    sb.append("synchronization.");

                    _log.info(sb.toString());
                }
            }

        };

        MessageBusUtil.registerMessageListener(DestinationNames.HOT_DEPLOY, _messageListener);
    }

    private static Log _log = LogFactoryUtil.getLog(CalendarServletContextListener.class);

    private MessageListener _messageListener;

}