graphengine.java

openfire 服务器源码下载

     * @param title        the title of the chart.
     * @param data         the data to use in the chart.
     * @param xAxis        the variables to use on the xAxis.
     * @param yAxis        the variables to use on the yAxis.
     * @param orientation  the orientation
     * @param itemRenderer the type of renderer to use.
     * @return the generated chart.
     */
    private JFreeChart createChart(String title, XYDataset data, ValueAxis xAxis, ValueAxis yAxis,
                                   PlotOrientation orientation, XYItemRenderer itemRenderer, GraphDefinition def)
    {
        int seriesCount = data.getSeriesCount();
        for(int i = 0; i < seriesCount; i++) {
            itemRenderer.setSeriesPaint(i, def.getInlineColor(i));
            itemRenderer.setSeriesOutlinePaint(i, def.getOutlineColor(i));
        }

        XYPlot plot = new XYPlot(data, xAxis, yAxis, null);
        plot.setOrientation(orientation);
        plot.setRenderer(itemRenderer);

        return createChart(title, plot);
    }

    private JFreeChart createChart(String title, XYPlot plot) {
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);
        chart.setBackgroundPaint(Color.white);
        return chart;
    }

    /**
     * Generates a simple Time Axis.
     *
     * @return the generated Time Axis.
     */
    private DateAxis generateTimeAxis() {
        DateAxis xAxis = new DateAxis("");
        xAxis.setLowerMargin(0.05);
        xAxis.setUpperMargin(0.02);
        xAxis.setLabel(null);
        xAxis.setTickLabelsVisible(true);
        xAxis.setTickMarksVisible(true);

        xAxis.setAxisLineVisible(true);
        xAxis.setNegativeArrowVisible(false);
        xAxis.setPositiveArrowVisible(false);
        xAxis.setVisible(true);
        xAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
        Locale locale = JiveGlobals.getLocale();
        // If the tick units have not yet been setup or the locale has changed
        if(tickUnits == null || !locale.equals(oldLocale)) {
            tickUnits = createTickUnits(locale, JiveGlobals.getTimeZone());
            oldLocale = locale;
        }
        xAxis.setStandardTickUnits(tickUnits);

        return xAxis;
    }

    private TickUnits createTickUnits(Locale locale, TimeZone zone) {
        TickUnits units = new TickUnits();

        // date formatters
        DateFormat f1 = new SimpleDateFormat("HH:mm:ss.SSS", locale);
        DateFormat f2 = new SimpleDateFormat("HH:mm:ss", locale);
        DateFormat f3 = DateFormat.getTimeInstance(DateFormat.SHORT, locale);
        DateFormat f4 = DateFormat.getDateTimeInstance(DateFormat.SHORT,
                DateFormat.SHORT, locale);
        DateFormat f5 = new SimpleDateFormat("d-MMM", locale);
        DateFormat f6 = new SimpleDateFormat("MMM-yyyy", locale);
        DateFormat f7 = new SimpleDateFormat("yyyy", locale);

        // NOTE: timezone not needed on date formatters because dates have already been converted
        // to the appropriate timezone by the respective RegularTimePeriod (Minute, Hour, Day, etc)
        // see:
        //   http://www.jfree.org/jfreechart/api/gjdoc/org/jfree/data/time/Hour.html#Hour:Date:TimeZone
        //
        // If you do use a timezone on the formatters and the Jive TimeZone has been set to something
        // other than the system timezone, time specific charts will show incorrect values.
        /*
        f1.setTimeZone(zone);
        f2.setTimeZone(zone);
        f3.setTimeZone(zone);
        f4.setTimeZone(zone);
        f5.setTimeZone(zone);
        f6.setTimeZone(zone);
        f7.setTimeZone(zone);
        */

        // milliseconds
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 1, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 5, DateTickUnit.MILLISECOND, 1, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 10, DateTickUnit.MILLISECOND, 1, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 25, DateTickUnit.MILLISECOND, 5, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 50, DateTickUnit.MILLISECOND, 10, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 100, DateTickUnit.MILLISECOND, 10, f1));
        units.add(new DateTickUnit( DateTickUnit.MILLISECOND, 250, DateTickUnit.MILLISECOND, 10, f1));
        units.add(new DateTickUnit(DateTickUnit.MILLISECOND, 500, DateTickUnit.MILLISECOND, 50, f1));

        // seconds
        units.add(new DateTickUnit(DateTickUnit.SECOND, 1, DateTickUnit.MILLISECOND, 50, f2));
        units.add(new DateTickUnit(DateTickUnit.SECOND, 5, DateTickUnit.SECOND, 1, f2));
        units.add(new DateTickUnit(DateTickUnit.SECOND, 10, DateTickUnit.SECOND, 1, f2));
        units.add(new DateTickUnit(DateTickUnit.SECOND, 30, DateTickUnit.SECOND, 5, f2));

        // minutes
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 1, DateTickUnit.SECOND, 5, f3));
        units.add( new DateTickUnit(DateTickUnit.MINUTE, 2, DateTickUnit.SECOND, 10, f3));
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 5, DateTickUnit.MINUTE, 1, f3));
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 10, DateTickUnit.MINUTE, 1, f3));
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 15, DateTickUnit.MINUTE, 5, f3));
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 20, DateTickUnit.MINUTE, 5, f3));
        units.add(new DateTickUnit(DateTickUnit.MINUTE, 30, DateTickUnit.MINUTE, 5, f3));

        // hours
        units.add(new DateTickUnit(DateTickUnit.HOUR, 1, DateTickUnit.MINUTE, 5, f3));
        units.add(new DateTickUnit(DateTickUnit.HOUR, 2, DateTickUnit.MINUTE, 10, f3));
        units.add(new DateTickUnit(DateTickUnit.HOUR, 4, DateTickUnit.MINUTE, 30, f3) );
        units.add(new DateTickUnit(DateTickUnit.HOUR, 6, DateTickUnit.HOUR, 1, f3));
        units.add(new DateTickUnit(DateTickUnit.HOUR, 12, DateTickUnit.HOUR, 1, f4));

        // days
        units.add(new DateTickUnit(DateTickUnit.DAY, 1, DateTickUnit.HOUR, 1, f5));
        units.add(new DateTickUnit(DateTickUnit.DAY, 2, DateTickUnit.HOUR, 1, f5));
        units.add(new DateTickUnit(DateTickUnit.DAY, 7, DateTickUnit.DAY, 1, f5));
        units.add(new DateTickUnit(DateTickUnit.DAY, 15, DateTickUnit.DAY, 1, f5));

        // months
        units.add(new DateTickUnit(DateTickUnit.MONTH, 1, DateTickUnit.DAY, 1, f6));
        units.add(new DateTickUnit(DateTickUnit.MONTH, 2, DateTickUnit.DAY, 1, f6));
        units.add(new DateTickUnit(DateTickUnit.MONTH, 3, DateTickUnit.MONTH, 1, f6));
        units.add(new DateTickUnit(DateTickUnit.MONTH, 4, DateTickUnit.MONTH, 1, f6));
        units.add(new DateTickUnit(DateTickUnit.MONTH, 6, DateTickUnit.MONTH, 1, f6));

        // years
        units.add(new DateTickUnit(DateTickUnit.YEAR, 1, DateTickUnit.MONTH, 1, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 2, DateTickUnit.MONTH, 3, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 5, DateTickUnit.YEAR, 1, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 10, DateTickUnit.YEAR, 1, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 25, DateTickUnit.YEAR, 5, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 50, DateTickUnit.YEAR, 10, f7));
        units.add(new DateTickUnit(DateTickUnit.YEAR, 100, DateTickUnit.YEAR, 20, f7));

        return units;
    }

    /**
     * Generates a SparkLine Time Area Chart.
     * @param key
     * @param stats
     * @param startTime
     * @param endTime
     * @return chart
     */
    private JFreeChart generateSparklineAreaChart(String key, String color, Statistic [] stats, long startTime, long endTime, int dataPoints) {
        Color backgroundColor = getBackgroundColor();

        XYDataset dataset = populateData(key, stats, startTime, endTime, dataPoints);

        JFreeChart chart = ChartFactory.createXYAreaChart(
                null, // chart title
                null, // xaxis label
                null, // yaxis label
                dataset, // data
                PlotOrientation.VERTICAL,
                false, // include legend
                false, // tooltips?
                false // URLs?
        );

        chart.setBackgroundPaint(backgroundColor);
        chart.setBorderVisible(false);
        chart.setBorderPaint(null);

        XYPlot plot = (XYPlot)chart.getPlot();
        plot.setForegroundAlpha(1.0f);
        plot.setDomainGridlinesVisible(false);
        plot.setDomainCrosshairVisible(false);
        plot.setRangeCrosshairVisible(false);
        plot.setBackgroundPaint(backgroundColor);
        plot.setRangeGridlinesVisible(false);

        GraphDefinition graphDef = GraphDefinition.getDefinition(color);
        Color plotColor = graphDef.getInlineColor(0);
        plot.getRenderer().setSeriesPaint(0, plotColor);
        plot.getRenderer().setBaseItemLabelsVisible(false);
        plot.getRenderer().setBaseOutlinePaint(backgroundColor);
        plot.setOutlineStroke(null);
        plot.setDomainGridlinePaint(null);

        NumberAxis xAxis = (NumberAxis)chart.getXYPlot().getDomainAxis();

        xAxis.setLabel(null);
        xAxis.setTickLabelsVisible(true);
        xAxis.setTickMarksVisible(true);
        xAxis.setAxisLineVisible(false);
        xAxis.setNegativeArrowVisible(false);
        xAxis.setPositiveArrowVisible(false);
        xAxis.setVisible(false);

        NumberAxis yAxis = (NumberAxis)chart.getXYPlot().getRangeAxis();
        yAxis.setTickLabelsVisible(false);
        yAxis.setTickMarksVisible(false);
        yAxis.setAxisLineVisible(false);
        yAxis.setNegativeArrowVisible(false);
        yAxis.setPositiveArrowVisible(false);
        yAxis.setVisible(false);

        return chart;
    }

    /**
     * Creates a Pie Chart based on map.
     *
     * @return the Pie Chart generated.
     */
    public JFreeChart getPieChart(Map<String, Double> pieValues) {
        DefaultPieDataset dataset = new DefaultPieDataset();

        for (String key : pieValues.keySet()) {
            dataset.setValue(key, pieValues.get(key));
        }

        JFreeChart chart = ChartFactory.createPieChart3D(
                null,  // chart title
                dataset, // data
                true,    // include legend
                true,
                false
        );

        chart.setBackgroundPaint(Color.white);
        chart.setBorderVisible(false);
        chart.setBorderPaint(null);


        PiePlot plot = (PiePlot)chart.getPlot();
        plot.setSectionOutlinesVisible(false);
        plot.setLabelFont(new Font("SansSerif", Font.BOLD, 12));
        plot.setNoDataMessage("No data available");
        plot.setCircular(true);
        plot.setLabelGap(0.02);
        plot.setOutlinePaint(null);
        plot.setLabelLinksVisible(false);

        plot.setLabelGenerator(null);

        plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator("{0}"));


        plot.setStartAngle(270);
        plot.setDirection(Rotation.ANTICLOCKWISE);
        plot.setForegroundAlpha(0.60f);
        plot.setInteriorGap(0.33);

        return chart;
    }

    /**
     * Generates a Sparkline Bar Graph.
     *
     * @param def the key of the statistic object.
     * @return the generated chart.
     */
    public JFreeChart generateSparklineBarGraph(String key, String color, Statistic [] def, long startTime,
                                                long endTime, int dataPoints)
    {
        Color backgroundColor = getBackgroundColor();

        IntervalXYDataset dataset = (IntervalXYDataset) populateData(key, def, startTime, endTime, dataPoints);
        JFreeChart chart = ChartFactory.createXYBarChart(
                null, // chart title
                null, // domain axis label
                true,
                null, // range axis label
                dataset, // data
                PlotOrientation.VERTICAL,
                false, // include legend
                false, // tooltips?