private void drawSample()

in src/components/src/main/java/org/apache/jmeter/visualizers/AxisGraph.java [342:434]
78 lines of code
13 McCabe index (conditional complexity)

    private void drawSample(String _title, int _maxLength, String[] _xAxisLabels,
            String _yAxisTitle, String[] _legendLabels, double[][] _data,
            int _width, int _height, Color[] _color,
            Font legendFont, Graphics g) {
        double max = maxYAxisScale > 0 ? maxYAxisScale : findMax(_data); // define max scale y axis
        try {
            // Width and Height are already set in StatGraphVisualizer

            if (_maxLength < 3) {
                _maxLength = 3;
            }
            // if the "Title of Graph" is empty, we can assume some default
            if (_title.isEmpty()) {
                _title = JMeterUtils.getResString("aggregate_graph_title"); //$NON-NLS-1$
            }
            // if the labels are too long, they'll be "squeezed" to make the chart viewable.
            for (int i = 0; i < _xAxisLabels.length; i++) {
                String label = _xAxisLabels[i];
                if (label.isEmpty()) {
                    label = "<empty>";
                }
                _xAxisLabels[i]=squeeze(label, _maxLength);
            }
            this.setPreferredSize(new Dimension(_width,_height));
            // _xAxisTitle to null (don't display x axis title)
            DataSeries dataSeries = new DataSeries( _xAxisLabels, null, _yAxisTitle, _title );

            ClusteredBarChartProperties clusteredBarChartProperties= new ClusteredBarChartProperties();
            clusteredBarChartProperties.setShowOutlinesFlag(outlinesBarFlag);
            ValueLabelRenderer valueLabelRenderer = new ValueLabelRenderer(false, false, showGrouping, 0);
            valueLabelRenderer.setValueLabelPosition(ValueLabelPosition.AT_TOP);

            valueLabelRenderer.setValueChartFont(new ChartFont(valueFont, foreColor));
            valueLabelRenderer.useVerticalLabels(valueOrientation);

            clusteredBarChartProperties.addPostRenderEventListener(valueLabelRenderer);

            Paint[] paints = new Paint[_color.length];
            System.arraycopy(_color, 0, paints, 0, paints.length);

            AxisChartDataSet axisChartDataSet =
                new AxisChartDataSet(
                        _data, _legendLabels, paints, ChartType.BAR_CLUSTERED, clusteredBarChartProperties );
            dataSeries.addIAxisPlotDataSet( axisChartDataSet );

            ChartProperties chartProperties= new ChartProperties();
            LabelAxisProperties xaxis = new LabelAxisProperties();
            DataAxisProperties yaxis = new DataAxisProperties();
            yaxis.setUseCommas(showGrouping);

            if (legendFont != null) {
                yaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
                yaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
                xaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
                xaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
            }
            if (titleFont != null) {
                chartProperties.setTitleFont(new ChartFont(titleFont, new Color(0)));
            }

            // Y Axis
            try {
                BigDecimal round = BigDecimal.valueOf(max / 1000d);
                round = round.setScale(0, RoundingMode.UP);
                double topValue = round.doubleValue() * 1000;
                yaxis.setUserDefinedScale(0, 500);
                yaxis.setNumItems((int) (topValue / 500)+1);
                yaxis.setShowGridLines(1);
            } catch (PropertyException e) {
                log.warn("Chart property exception occurred.", e);
            }

            AxisProperties axisProperties= new AxisProperties(xaxis, yaxis);
            axisProperties.setXAxisLabelsAreVertical(true);
            LegendProperties legendProperties= new LegendProperties();
            legendProperties.setBorderStroke(null);
            legendProperties.setPlacement(legendPlacement);
            legendProperties.setIconBorderPaint(Color.WHITE);
            if (legendPlacement == LegendAreaProperties.RIGHT || legendPlacement == LegendAreaProperties.LEFT) {
                legendProperties.setNumColumns(1);
            }
            if (legendFont != null) {
                legendProperties.setFont(legendFont); //new Font("SansSerif", Font.PLAIN, 10)
            }
            AxisChart axisChart = new AxisChart(
                    dataSeries, chartProperties, axisProperties,
                    legendProperties, _width, _height );
            axisChart.setGraphics2D((Graphics2D) g);
            axisChart.render();
        } catch (ChartDataException | PropertyException e) {
            log.warn("Exception occurred while rendering chart.", e);
        }
    }