ProjectStatsController.java :  » Groupware » LibreSource » org » libresource » web » controllers » core » Java Open Source

/**
 * LibreSource
 * Copyright (C) 2004-2008 Artenum SARL / INRIA
 * http://www.libresource.org - contact@artenum.com
 *
 * This file is part of the LibreSource software, 
 * which can be used and distributed under license conditions.
 * The license conditions are provided in the LICENSE.TXT file 
 * at the root path of the packaging that enclose this file. 
 * More information can be found at 
 * - http://dev.libresource.org/home/license
 *
 * Initial authors :
 *
 * Guillaume Bort / INRIA
 * Francois Charoy / Universite Nancy 2
 * Julien Forest / Artenum
 * Claude Godart / Universite Henry Poincare
 * Florent Jouille / INRIA
 * Sebastien Jourdain / INRIA / Artenum
 * Yves Lerumeur / Artenum
 * Pascal Molli / Universite Henry Poincare
 * Gerald Oster / INRIA
 * Mariarosa Penzi / Artenum
 * Gerard Sookahet / Artenum
 * Raphael Tani / INRIA
 *
 * Contributors :
 *
 * Stephane Bagnier / Artenum
 * Amadou Dia / Artenum-IUP Blois
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
package org.libresource.web.controllers.core;

import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.entity.StandardEntityCollection;

import org.libresource.Libresource;

import org.libresource.core.CoreConstants;
import org.libresource.core.interfaces.LibresourceStatsService;

import org.libresource.web.Controller;

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;

import java.net.URI;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class ProjectStatsController implements Controller {
    public Object process(URI resource, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
        LibresourceStatsService libresourceStatsService = (LibresourceStatsService) Libresource.getService(CoreConstants.SERVICE_STAT);

        try {
            request.setAttribute("stats", libresourceStatsService.getProjectStats(resource));
        } catch (Exception e) {
        }

        if (StatsCache.getImage(resource, DrawPieChartHelper.MOST_ACTIVE_USERS) == null) {
            JFreeChart chart = DrawPieChartHelper.drawChart(resource, DrawPieChartHelper.MOST_ACTIVE_USERS);
            ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ChartUtilities.writeChartAsPNG(baos, chart, 500, 250, info);

            StringWriter writer = new StringWriter();
            ChartUtilities.writeImageMap(new PrintWriter(writer), DrawPieChartHelper.MOST_ACTIVE_USERS, info);
            StatsCache.putItem(baos.toByteArray(), writer.toString(), resource, DrawPieChartHelper.MOST_ACTIVE_USERS);
        }

        request.setAttribute(DrawPieChartHelper.MOST_ACTIVE_USERS, StatsCache.getMap(resource, DrawPieChartHelper.MOST_ACTIVE_USERS));

        if (StatsCache.getImage(resource, DrawPieChartHelper.PREFERED_RESOURCES) == null) {
            JFreeChart chart = DrawPieChartHelper.drawChart(resource, DrawPieChartHelper.PREFERED_RESOURCES);
            ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ChartUtilities.writeChartAsPNG(baos, chart, 500, 250, info);

            StringWriter writer = new StringWriter();
            ChartUtilities.writeImageMap(new PrintWriter(writer), DrawPieChartHelper.PREFERED_RESOURCES, info);
            StatsCache.putItem(baos.toByteArray(), writer.toString(), resource, DrawPieChartHelper.PREFERED_RESOURCES);
        }

        request.setAttribute(DrawPieChartHelper.PREFERED_RESOURCES, StatsCache.getMap(resource, DrawPieChartHelper.PREFERED_RESOURCES));

        if (StatsCache.getImage(resource, DrawPieChartHelper.MOST_ACTIVE_RESOURCES) == null) {
            JFreeChart chart = DrawPieChartHelper.drawChart(resource, DrawPieChartHelper.MOST_ACTIVE_RESOURCES);
            ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ChartUtilities.writeChartAsPNG(baos, chart, 500, 250, info);

            StringWriter writer = new StringWriter();
            ChartUtilities.writeImageMap(new PrintWriter(writer), DrawPieChartHelper.MOST_ACTIVE_RESOURCES, info);
            StatsCache.putItem(baos.toByteArray(), writer.toString(), resource, DrawPieChartHelper.MOST_ACTIVE_RESOURCES);
        }

        request.setAttribute(DrawPieChartHelper.MOST_ACTIVE_RESOURCES, StatsCache.getMap(resource, DrawPieChartHelper.MOST_ACTIVE_RESOURCES));

        return "/pages/modules/core/projectStats.jsp";
    }
}