org.lamsfoundation.lams.admin.service.AdminServiceProxy.java Source code

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Here is the source code for org.lamsfoundation.lams.admin.service.AdminServiceProxy.java

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/****************************************************************
 * Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
 * =============================================================
 * License Information: http://lamsfoundation.org/licensing/lams/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 * USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 * ****************************************************************
 */

/* $Id: AdminServiceProxy.java,v 1.13 2010-10-01 20:30:49 andreyb Exp $ */
package org.lamsfoundation.lams.admin.service;

import javax.servlet.ServletContext;

import org.lamsfoundation.lams.events.IEventNotificationService;
import org.lamsfoundation.lams.integration.service.IIntegrationService;
import org.lamsfoundation.lams.lesson.service.ILessonService;
import org.lamsfoundation.lams.monitoring.service.IMonitoringService;
import org.lamsfoundation.lams.statistics.service.IStatisticsService;
import org.lamsfoundation.lams.themes.service.IThemeService;
import org.lamsfoundation.lams.timezone.service.ITimezoneService;
import org.lamsfoundation.lams.usermanagement.service.IUserManagementService;
import org.lamsfoundation.lams.usermanagement.service.LdapService;
import org.lamsfoundation.lams.util.Configuration;
import org.lamsfoundation.lams.util.MessageService;
import org.lamsfoundation.lams.util.audit.IAuditService;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * @author jliew
 *
 * Common class to make it easier to get the Spring beans.
 */
public class AdminServiceProxy {

    private static IUserManagementService manageService;
    private static MessageService messageService;
    private static IIntegrationService integrationService;
    private static IAuditService auditService;
    private static IImportService importService;
    private static LdapService ldapService;
    private static IStatisticsService statisticsService;
    private static IThemeService themeService;
    private static Configuration configurationService;
    private static ILessonService lessonService;
    private static IMonitoringService monitoringService;
    private static IEventNotificationService eventNotificationService;
    private static ITimezoneService timezoneService;

    public static final IUserManagementService getService(ServletContext servletContext) {
        if (manageService == null) {
            manageService = (IUserManagementService) getDomainService(servletContext, "userManagementService");
        }
        return manageService;
    }

    public static final MessageService getMessageService(ServletContext servletContext) {
        if (messageService == null) {
            messageService = (MessageService) getDomainService(servletContext, "adminMessageService");
        }
        return messageService;

    }

    public static final IIntegrationService getIntegrationService(ServletContext servletContext) {
        if (integrationService == null) {
            integrationService = (IIntegrationService) getDomainService(servletContext, "integrationService");
        }
        return integrationService;
    }

    public static final IAuditService getAuditService(ServletContext servletContext) {
        if (auditService == null) {
            auditService = (IAuditService) getDomainService(servletContext, "auditService");
        }
        return auditService;
    }

    public static final IImportService getImportService(ServletContext servletContext) {
        if (importService == null) {
            importService = (IImportService) getDomainService(servletContext, "importService");
        }
        return importService;
    }

    public static final LdapService getLdapService(ServletContext servletContext) {
        if (ldapService == null) {
            ldapService = (LdapService) getDomainService(servletContext, "ldapService");
        }
        return ldapService;
    }

    public static final IStatisticsService getStatisticsService(ServletContext servletContext) {
        if (statisticsService == null) {
            statisticsService = (IStatisticsService) getDomainService(servletContext, "statisticsService");
        }
        return statisticsService;
    }

    public static final IThemeService getThemeService(ServletContext servletContext) {
        if (themeService == null) {
            themeService = (IThemeService) getDomainService(servletContext, "themeService");
        }
        return themeService;
    }

    public static final Configuration getConfiguration(ServletContext servletContext) {
        if (configurationService == null) {
            configurationService = (Configuration) getDomainService(servletContext, "configurationService");
        }
        return configurationService;
    }

    public static final ILessonService getLessonService(ServletContext servletContext) {
        if (lessonService == null) {
            lessonService = (ILessonService) getDomainService(servletContext, "lessonService");
        }
        return lessonService;
    }

    public static final IMonitoringService getMonitoringService(ServletContext servletContext) {
        if (monitoringService == null) {
            monitoringService = (IMonitoringService) getDomainService(servletContext, "monitoringService");
        }
        return monitoringService;
    }

    public static final IEventNotificationService getEventNotificationService(ServletContext servletContext) {
        if (eventNotificationService == null) {
            eventNotificationService = (IEventNotificationService) getDomainService(servletContext,
                    "eventNotificationService");
        }
        return eventNotificationService;
    }

    private static Object getDomainService(ServletContext servletContext, String serviceName) {
        WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        return wac.getBean(serviceName);
    }

    public static final ITimezoneService getTimezoneService(ServletContext servletContext) {
        if (timezoneService == null) {
            timezoneService = (ITimezoneService) getDomainService(servletContext, "timezoneService");
        }
        return timezoneService;
    }
}