Examples with Minute org.jfree.data.time.Minute used on opensource projects

Example 1 with Minute

use of org.jfree.data.time.Minute in project dubbo by alibaba.

the class SimpleMonitorService method createChart.

private static void createChart(String key, String service, String method, String date, String[] types, Map<String, long[]> data, double[] summary, String path) {
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmm");
    DecimalFormat numberFormat = new DecimalFormat("###,##0.##");
    TimeSeriesCollection xydataset = new TimeSeriesCollection();
    for (int i = 0; i < types.length; i++) {
        String type = types[i];
        TimeSeries timeseries = new TimeSeries(type);
        for (Map.Entry<String, long[]> entry : data.entrySet()) {
            try {
                timeseries.add(new Minute(dateFormat.parse(date + entry.getKey())), entry.getValue()[i]);
            } catch (ParseException e) {
                logger.error(e.getMessage(), e);
            }
        }
        xydataset.addSeries(timeseries);
    }
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("max: " + numberFormat.format(summary[0]) + (summary[1] >= 0 ? " min: " + numberFormat.format(summary[1]) : "") + " avg: " + numberFormat.format(summary[2]) + (summary[3] >= 0 ? " sum: " + numberFormat.format(summary[3]) : ""), toDisplayService(service) + "  " + method + "  " + toDisplayDate(date), key, xydataset, true, true, false);
    jfreechart.setBackgroundPaint(Color.WHITE);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    xyplot.setBackgroundPaint(Color.WHITE);
    xyplot.setDomainGridlinePaint(Color.GRAY);
    xyplot.setRangeGridlinePaint(Color.GRAY);
    xyplot.setDomainGridlinesVisible(true);
    xyplot.setRangeGridlinesVisible(true);
    DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
    dateaxis.setDateFormatOverride(new SimpleDateFormat("HH:mm"));
    BufferedImage image = jfreechart.createBufferedImage(600, 300);
    try {
        if (logger.isInfoEnabled()) {
            logger.info("write chart: " + path);
        }
        File methodChartFile = new File(path);
        File methodChartDir = methodChartFile.getParentFile();
        if (methodChartDir != null && !methodChartDir.exists()) {
            methodChartDir.mkdirs();
        }
        FileOutputStream output = new FileOutputStream(methodChartFile);
        try {
            ImageIO.write(image, "png", output);
            output.flush();
        } finally {
            output.close();
        }
    } catch (IOException e) {
        logger.warn(e.getMessage(), e);
    }
}