Example usage for org.jfree.data.xml DatasetReader readPieDatasetFromXML

Introduction

In this page you can find the example usage for org.jfree.data.xml DatasetReader readPieDatasetFromXML.

Prototype

public static PieDataset readPieDatasetFromXML(InputStream in) throws IOException 

Source Link

Document

Reads a PieDataset from a stream.

Usage

From source file:org.exist.xquery.modules.jfreechart.JFreeChartFactory.java

/**
 *  Create JFreeChart graph using the supplied parameters.
 *
 * @param chartType One of the many chart types.
 * @param conf      Chart configuration/*from w w  w.  j a va2s  . c o  m*/
 * @param is        Inputstream containing chart data
 * @return          Initialized chart or NULL in case of issues.
 * @throws IOException Thrown when a problem is reported while parsing XML data.
 */
public static JFreeChart createJFreeChart(String chartType, Configuration conf, InputStream is)
        throws XPathException {

    logger.debug("Generating " + chartType);

    // Currently two dataset types supported
    CategoryDataset categoryDataset = null;
    PieDataset pieDataset = null;

    try {
        if ("PieChart".equals(chartType) || "PieChart3D".equals(chartType) || "RingChart".equals(chartType)) {
            logger.debug("Reading XML PieDataset");
            pieDataset = DatasetReader.readPieDatasetFromXML(is);

        } else {
            logger.debug("Reading XML CategoryDataset");
            categoryDataset = DatasetReader.readCategoryDatasetFromXML(is);
        }

    } catch (IOException ex) {
        throw new XPathException(ex.getMessage());

    } finally {
        try {
            is.close();
        } catch (IOException ex) {
            //
        }
    }

    // Return chart
    JFreeChart chart = null;

    // Big chart type switch
    if ("AreaChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createAreaChart(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("BarChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createBarChart(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("BarChart3D".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createBarChart3D(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("LineChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createLineChart(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("LineChart3D".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createLineChart3D(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("MultiplePieChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createMultiplePieChart(conf.getTitle(), categoryDataset, conf.getOrder(),
                conf.isGenerateLegend(), conf.isGenerateTooltips(), conf.isGenerateUrls());

        setPieChartParameters(chart, conf);

    } else if ("MultiplePieChart3D".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createMultiplePieChart3D(conf.getTitle(), categoryDataset, conf.getOrder(),
                conf.isGenerateLegend(), conf.isGenerateTooltips(), conf.isGenerateUrls());

        setPieChartParameters(chart, conf);

    } else if ("PieChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createPieChart(conf.getTitle(), pieDataset, conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setPieChartParameters(chart, conf);

    } else if ("PieChart3D".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createPieChart3D(conf.getTitle(), pieDataset, conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setPieChartParameters(chart, conf);

    } else if ("RingChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createRingChart(conf.getTitle(), pieDataset, conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setPieChartParameters(chart, conf);
    } else if ("SpiderWebChart".equalsIgnoreCase(chartType)) {
        SpiderWebPlot plot = new SpiderWebPlot(categoryDataset);
        if (conf.isGenerateTooltips()) {
            plot.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        }
        chart = new JFreeChart(conf.getTitle(), JFreeChart.DEFAULT_TITLE_FONT, plot, false);

        if (conf.isGenerateLegend()) {
            LegendTitle legend = new LegendTitle(plot);
            legend.setPosition(RectangleEdge.BOTTOM);
            chart.addSubtitle(legend);
        } else {
            TextTitle subTitle = new TextTitle(" ");
            subTitle.setPosition(RectangleEdge.BOTTOM);
            chart.addSubtitle(subTitle);
        }

        setCategoryChartParameters(chart, conf);

    } else if ("StackedAreaChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createStackedAreaChart(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("StackedBarChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createStackedBarChart(conf.getTitle(), conf.getDomainAxisLabel(),
                conf.getRangeAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("StackedBarChart3D".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createStackedBarChart3D(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);

    } else if ("WaterfallChart".equalsIgnoreCase(chartType)) {
        chart = ChartFactory.createWaterfallChart(conf.getTitle(), conf.getCategoryAxisLabel(),
                conf.getValueAxisLabel(), categoryDataset, conf.getOrientation(), conf.isGenerateLegend(),
                conf.isGenerateTooltips(), conf.isGenerateUrls());

        setCategoryChartParameters(chart, conf);
    } else {
        logger.error("Illegal chartype. Choose one of " + "AreaChart BarChart BarChart3D LineChart LineChart3D "
                + "MultiplePieChart MultiplePieChart3D PieChart PieChart3D "
                + "RingChart SpiderWebChart StackedAreaChart StackedBarChart "
                + "StackedBarChart3D WaterfallChart");
    }

    setCommonParameters(chart, conf);

    return chart;
}

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From source file:org.jfree.chart.demo.XMLPieChartDemo.java

/**
 * Default constructor.// w ww . j a  va 2s  .  c o m
 *
 * @param title  the frame title.
 */
public XMLPieChartDemo(final String title) {

    super(title);

    // create a dataset...
    PieDataset dataset = null;
    final URL url = getClass().getResource("/org/jfree/chart/demo/piedata.xml");

    try {
        final InputStream in = url.openStream();
        dataset = DatasetReader.readPieDatasetFromXML(in);
    } catch (IOException ioe) {
        System.out.println(ioe.getMessage());
    }

    // create the chart...
    final JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 1", // chart title
            dataset, // data
            true, // include legend
            true, false);

    // set the background color for the chart...
    chart.setBackgroundPaint(Color.yellow);
    final PiePlot plot = (PiePlot) chart.getPlot();
    plot.setLabelGenerator(new StandardPieItemLabelGenerator("{0} = {2}", NumberFormat.getNumberInstance(),
            NumberFormat.getPercentInstance()));
    plot.setNoDataMessage("No data available");

    // add the chart to a panel...
    final ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
    setContentPane(chartPanel);

}

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