Example usage for org.jfree.chart.entity StandardEntityCollection StandardEntityCollection

Introduction

In this page you can find the example usage for org.jfree.chart.entity StandardEntityCollection StandardEntityCollection.

Prototype

public StandardEntityCollection()

Source Link

Document

Constructs a new entity collection (initially empty).

Usage

From source file:eu.planets_project.tb.gui.backing.ExperimentBean.java

public String getResultChartUrl() {
    try {/* ww w  .  j  av  a  2  s. co  m*/
        ExperimentChartServlet ec = new ExperimentChartServlet();
        chart = ec.createWallclockChart("" + this.getExperiment().getEntityID());
        // Pick into the session...
        HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext()
                .getRequest();
        HttpSession session = request.getSession();
        //  Write the chart image to the temporary directory
        ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        this.graphId = ServletUtilities.saveChartAsPNG(chart, 600, 500, info, session);
        this.graphImageMap = ChartUtilities.getImageMap(graphId, info);
        this.graphUrl = request.getContextPath() + "/servlet/DisplayChart?filename=" + graphId;
        return this.graphUrl;
    } catch (Exception e) {
        log.error("Failure while generating graph: " + e);
        e.printStackTrace();
        return null;
    }
}

From source file:fr.paris.lutece.plugins.form.web.FormJspBean.java

/**
 * write in the http response the statistic graph of all response submit who verify the date filter
 *@param request the http request/*from www  .  j av a  2  s .co  m*/
 * @param response The http response
 *
 */
public void doGenerateGraph(HttpServletRequest request, HttpServletResponse response) {
    Plugin plugin = getPlugin();
    Locale locale = getLocale();
    ResponseFilter filter = new ResponseFilter();
    int nIdForm = -1;
    String strIdForm = request.getParameter(PARAMETER_ID_FORM);
    String strFistResponseDateFilter = request.getParameter(PARAMETER_FIRST_RESPONSE_DATE_FILTER);
    String strLastResponseDateFilter = request.getParameter(PARAMETER_LAST_RESPONSE_DATE_FILTER);
    String strTimesUnit = request.getParameter(PARAMETER_TIMES_UNIT);
    Timestamp tFistResponseDateFilter = null;
    Timestamp tLastResponseDateFilter = null;

    if (strFistResponseDateFilter != null) {
        tFistResponseDateFilter = FormUtils
                .getDateFirstMinute(DateUtil.formatDate(strFistResponseDateFilter, locale), locale);
    }

    if (strLastResponseDateFilter != null) {
        tLastResponseDateFilter = FormUtils
                .getDateLastMinute(DateUtil.formatDate(strLastResponseDateFilter, locale), locale);
    }

    if ((strIdForm != null) && !strIdForm.equals(EMPTY_STRING)) {
        try {
            nIdForm = Integer.parseInt(strIdForm);
        } catch (NumberFormatException ne) {
            AppLogService.error(ne);
        }
    }

    filter.setIdForm(nIdForm);
    filter.setDateFirst(tFistResponseDateFilter);
    filter.setDateLast(tLastResponseDateFilter);

    if (strTimesUnit != null) {
        if (strTimesUnit.equals(FormUtils.CONSTANT_GROUP_BY_DAY)) {
            filter.setGroupbyDay(true);
        } else if (strTimesUnit.equals(FormUtils.CONSTANT_GROUP_BY_WEEK)) {
            filter.setGroupbyWeek(true);
        } else if (strTimesUnit.equals(FormUtils.CONSTANT_GROUP_BY_MONTH)) {
            filter.setGroupbyMonth(true);
        }
    } else {
        filter.setGroupbyDay(true);
        strTimesUnit = FormUtils.CONSTANT_GROUP_BY_DAY;
    }

    List<StatisticFormSubmit> listStatisticResult = FormSubmitHome.getStatisticFormSubmit(filter, plugin);

    String strNumberOfResponseAxisX = AppPropertiesService.getProperty(PROPERTY_NUMBER_RESPONSE_AXIS_X);
    int nNumberOfResponseAxisX = 10;

    try {
        nNumberOfResponseAxisX = Integer.parseInt(strNumberOfResponseAxisX);
    } catch (NumberFormatException ne) {
        AppLogService.error(ne);
    }

    List<StatisticFormSubmit> listStatisticGraph = new ArrayList<StatisticFormSubmit>();
    StatisticFormSubmit statisticFormSubmit;

    if (listStatisticResult.size() != 0) {
        for (int cpt = 0; cpt < nNumberOfResponseAxisX; cpt++) {
            statisticFormSubmit = new StatisticFormSubmit();
            statisticFormSubmit.setNumberResponse(0);
            statisticFormSubmit.setStatisticDate(FormUtils
                    .addStatisticInterval(listStatisticResult.get(0).getStatisticDate(), strTimesUnit, cpt));
            listStatisticGraph.add(statisticFormSubmit);
        }
    }

    for (StatisticFormSubmit statisticFormSubmitGraph : listStatisticGraph) {
        for (StatisticFormSubmit statisticFormSubmitResult : listStatisticResult) {
            if (FormUtils.sameDate(statisticFormSubmitGraph.getStatisticDate(),
                    statisticFormSubmitResult.getStatisticDate(), strTimesUnit)) {
                statisticFormSubmitGraph.setNumberResponse(statisticFormSubmitResult.getNumberResponse());
            }
        }
    }

    String strLabelAxisX = I18nService.getLocalizedString(PROPERTY_LABEL_AXIS_X, locale);
    String strLabelAxisY = I18nService.getLocalizedString(PROPERTY_LABEL_AXIS_Y, locale);

    JFreeChart chart = FormUtils.createXYGraph(listStatisticGraph, strLabelAxisX, strLabelAxisY, strTimesUnit);

    try {
        ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        BufferedImage chartImage = chart.createBufferedImage(600, 200, info);
        response.setContentType("image/PNG");

        PngEncoder encoder = new PngEncoder(chartImage, false, 0, 9);
        response.getOutputStream().write(encoder.pngEncode());
        response.getOutputStream().close();
    } catch (Exception e) {
        AppLogService.error(e);
    }
}