Examples with PlotGenerator org.xwiki.chart.internal.plot.PlotGenerator used on opensource projects

Example 1 with PlotGenerator

use of org.xwiki.chart.internal.plot.PlotGenerator in project xwiki-platform by xwiki.

the class DefaultChartGenerator method generate.

@Override
public byte[] generate(ChartModel model, Map<String, String> parameters) throws ChartGeneratorException {
    setDefaultParams(parameters);
    String type = parameters.get(TYPE_PARAM);
    String title = parameters.get(TITLE_PARAM);
    PlotGenerator generator;
    try {
        generator = contextComponentManager.get().getInstance(PlotGenerator.class, type);
    } catch (ComponentLookupException e) {
        throw new ChartGeneratorException(String.format("No such chart type : [%s].", type), e);
    }
    Plot plot = generator.generate(model, parameters);
    JFreeChart jfchart = new JFreeChart(title, plot);
    // Run customizations
    for (ChartCustomizer customizer : this.customizerProvider.get()) {
        customizer.customize(jfchart, parameters);
    }
    int width = Integer.parseInt(parameters.get(WIDTH_PARAM));
    int height = Integer.parseInt(parameters.get(HEIGHT_PARAM));
    try {
        return ChartUtilities.encodeAsPNG(jfchart.createBufferedImage(width, height));
    } catch (IOException ex) {
        throw new ChartGeneratorException("Error while png encoding the chart image.");
    }
}