Package org.jahia.services.render.filter

Source Code of org.jahia.services.render.filter.MetricsLoggingFilter

/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/

package org.jahia.services.render.filter;

import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.services.logging.MetricsLoggingService;
import org.jahia.services.render.RenderContext;
import org.jahia.services.render.Resource;
import org.slf4j.profiler.Profiler;

import javax.servlet.http.HttpSession;

/**
* MetricsLoggingFilter
* <p/>
* Calls the logging service to log the display of a resource.
* Also initializes profiling information.
*/
public class MetricsLoggingFilter extends AbstractFilter {
    private MetricsLoggingService loggingService;

    public void setLoggingService(MetricsLoggingService loggingService) {
        this.loggingService = loggingService;
    }

    public String prepare(RenderContext context, Resource resource, RenderChain chain) throws Exception {
        JCRNodeWrapper node = resource.getNode();

        String profilerName = "render module " + node.getPath();
        Profiler profiler = loggingService.createNestedProfiler("MAIN", profilerName);
        profiler.start("render filters for " + node.getPath());
        context.getRequest().setAttribute("profiler", profiler);
        return null;
    }


    @Override
    public String execute(String previousOut, RenderContext context, Resource resource,
                          RenderChain chain) throws Exception {
        JCRNodeWrapper node = resource.getNode();

        String profilerName = "render module " + node.getPath();

        String sessionID = "";
        HttpSession session = context.getRequest().getSession(false);
        if (session != null) {
            sessionID = session.getId();
        }
        loggingService.logContentEvent(context.getUser().getName(), context.getRequest().getRemoteAddr(), sessionID, node.getIdentifier(), node.getPath(), node.getNodeTypes().get(0), "moduleViewed", resource.getResolvedTemplate());

        loggingService.stopNestedProfiler("MAIN", profilerName);

        return previousOut;
    }
}
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