Java StandardCategoryURLGenerator类代码示例

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Some tests for the generateURL() method.
 */
public void testGenerateURL() {
    StandardCategoryURLGenerator g1 = new StandardCategoryURLGenerator();
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.addValue(1.0, "R1", "C1");
    dataset.addValue(2.0, "R2", "C2");
    dataset.addValue(3.0, "R&", "C&");
    assertEquals("index.html?series=R1&category=C1",
            g1.generateURL(dataset, 0, 0));
    assertEquals("index.html?series=R1&category=C2",
            g1.generateURL(dataset, 0, 1));
    assertEquals("index.html?series=R2&category=C2",
            g1.generateURL(dataset, 1, 1));
    assertEquals("index.html?series=R%26&category=C%26",
            g1.generateURL(dataset, 2, 2));
}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link StackedBarRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param domainAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param rangeAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the orientation of the chart (horizontal or vertical) (<code>null</code>
 *                     not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked bar chart.
 */
public static JFreeChart createStackedBarChart(String title,
                                               String domainAxisLabel,
                                               String rangeAxisLabel,
                                               CategoryDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }

    CategoryAxis categoryAxis = new CategoryAxis(domainAxisLabel);
    ValueAxis valueAxis = new NumberAxis(rangeAxisLabel);

    StackedBarRenderer renderer = new StackedBarRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a bar chart with a 3D effect.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as the
 * range axis, and a {@link BarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code>
 *                     not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A bar chart with a 3D effect.
 */
public static JFreeChart createBarChart3D(String title,
                                          String categoryAxisLabel,
                                          String valueAxisLabel,
                                          CategoryDataset dataset,
                                          PlotOrientation orientation,
                                          boolean legend,
                                          boolean tooltips,
                                          boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    BarRenderer3D renderer = new BarRenderer3D();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the right way around
        plot.setRowRenderingOrder(SortOrder.DESCENDING);
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }
    plot.setForegroundAlpha(0.75f);

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with a 3D effect and default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as the
 * range axis, and a {@link StackedBarRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the orientation (horizontal or vertical) (<code>null</code> not
 *                     permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked bar chart with a 3D effect.
 */
public static JFreeChart createStackedBarChart3D(String title,
                                                 String categoryAxisLabel,
                                                 String valueAxisLabel,
                                                 CategoryDataset dataset,
                                                 PlotOrientation orientation,
                                                 boolean legend,
                                                 boolean tooltips,
                                                 boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    // create the renderer...
    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    // create the plot...
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the right way around
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }

    // create the chart...
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates an area chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and an {@link AreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return An area chart.
 */
public static JFreeChart createAreaChart(String title,
                                         String categoryAxisLabel,
                                         String valueAxisLabel,
                                         CategoryDataset dataset,
                                         PlotOrientation orientation,
                                         boolean legend,
                                         boolean tooltips,
                                         boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    AreaRenderer renderer = new AreaRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a stacked area chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link StackedAreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (horizontal or vertical) (<code>null</code> not
 *                     permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked area chart.
 */
public static JFreeChart createStackedAreaChart(String title,
                                                String categoryAxisLabel,
                                                String valueAxisLabel,
                                                CategoryDataset dataset,
                                                PlotOrientation orientation,
                                                boolean legend,
                                                boolean tooltips,
                                                boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    StackedAreaRenderer renderer = new StackedAreaRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a line chart with default settings.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link LineAndShapeRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the chart orientation (horizontal or vertical) (<code>null</code>
 *                     not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A line chart.
 */
public static JFreeChart createLineChart(String title,
                                         String categoryAxisLabel,
                                         String valueAxisLabel,
                                         CategoryDataset dataset,
                                         PlotOrientation orientation,
                                         boolean legend,
                                         boolean tooltips,
                                         boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    LineAndShapeRenderer renderer = new LineAndShapeRenderer();
    renderer.setDrawLines(true);
    renderer.setDrawShapes(false);
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a Gantt chart using the supplied attributes plus default values where required.
 * <P>
 * The chart object returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a {@link DateAxis} as the
 * range axis, and a {@link GanttRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis (<code>null</code> permitted).
 * @param dateAxisLabel  the label for the date axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A Gantt chart.
 */
public static JFreeChart createGanttChart(String title,
                                          String categoryAxisLabel,
                                          String dateAxisLabel,
                                          IntervalCategoryDataset dataset,
                                          boolean legend,
                                          boolean tooltips,
                                          boolean urls) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    DateAxis dateAxis = new DateAxis(dateAxisLabel);

    CategoryItemRenderer renderer = new GanttRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(
            new IntervalCategoryToolTipGenerator("{3} - {4}", DateFormat.getDateInstance())
        );
    }
    if (urls) {
        renderer.setItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis, renderer);
    plot.setOrientation(PlotOrientation.HORIZONTAL);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Check that setting a URL generator for a series does override the
 * default generator.
 */
public void testSetSeriesURLGenerator() {
    CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
    CategoryItemRenderer renderer = plot.getRenderer();
    StandardCategoryURLGenerator url1
            = new StandardCategoryURLGenerator();
    renderer.setSeriesItemURLGenerator(0, url1);
    CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
    assertTrue(url2 == url1);
}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a stacked bar chart with default settings.  The chart object 
 * returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a 
 * {@link NumberAxis} as the range axis, and a {@link StackedBarRenderer} 
 * as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param domainAxisLabel  the label for the category axis 
 *                         (<code>null</code> permitted).
 * @param rangeAxisLabel  the label for the value axis 
 *                        (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the orientation of the chart (horizontal or 
 *                     vertical) (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked bar chart.
 */
public static JFreeChart createStackedBarChart(String title,
                                               String domainAxisLabel,
                                               String rangeAxisLabel,
                                               CategoryDataset dataset,
                                               PlotOrientation orientation,
                                               boolean legend,
                                               boolean tooltips,
                                               boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }

    CategoryAxis categoryAxis = new CategoryAxis(domainAxisLabel);
    ValueAxis valueAxis = new NumberAxis(rangeAxisLabel);

    StackedBarRenderer renderer = new StackedBarRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
            renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates an area chart with default settings.  The chart object returned
 * by this method uses a {@link CategoryPlot} instance as the plot, with a 
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and an {@link AreaRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis 
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (<code>null</code> not 
 *                     permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return An area chart.
 */
public static JFreeChart createAreaChart(String title,
                                         String categoryAxisLabel,
                                         String valueAxisLabel,
                                         CategoryDataset dataset,
                                         PlotOrientation orientation,
                                         boolean legend,
                                         boolean tooltips,
                                         boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);

    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    AreaRenderer renderer = new AreaRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
            renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a stacked area chart with default settings.  The chart object 
 * returned by this method uses a {@link CategoryPlot} instance as the
 * plot, with a {@link CategoryAxis} for the domain axis, a 
 * {@link NumberAxis} as the range axis, and a {@link StackedAreaRenderer} 
 * as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis 
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the plot orientation (horizontal or vertical) 
 *                     (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A stacked area chart.
 */
public static JFreeChart createStackedAreaChart(String title,
                                                String categoryAxisLabel,
                                                String valueAxisLabel,
                                                CategoryDataset dataset,
                                                PlotOrientation orientation,
                                                boolean legend,
                                                boolean tooltips,
                                                boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    StackedAreaRenderer renderer = new StackedAreaRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
            renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, 
            plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a line chart with default settings.  The chart object returned 
 * by this method uses a {@link CategoryPlot} instance as the plot, with a 
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the 
 * range axis, and a {@link LineAndShapeRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis 
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the chart orientation (horizontal or vertical) 
 *                     (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A line chart.
 */
public static JFreeChart createLineChart(String title,
                                         String categoryAxisLabel,
                                         String valueAxisLabel,
                                         CategoryDataset dataset,
                                         PlotOrientation orientation,
                                         boolean legend,
                                         boolean tooltips,
                                         boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    LineAndShapeRenderer renderer = new LineAndShapeRenderer(true, false);
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
            renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a line chart with default settings. The chart object returned by 
 * this method uses a {@link CategoryPlot} instance as the plot, with a 
 * {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as 
 * the range axis, and a {@link LineRenderer3D} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis 
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param orientation  the chart orientation (horizontal or vertical) 
 *                     (<code>null</code> not permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A line chart.
 */
public static JFreeChart createLineChart3D(String title,
                                           String categoryAxisLabel,
                                           String valueAxisLabel,
                                           CategoryDataset dataset,
                                           PlotOrientation orientation,
                                           boolean legend,
                                           boolean tooltips,
                                           boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException("Null 'orientation' argument.");
    }
    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    LineRenderer3D renderer = new LineRenderer3D();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
            renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}
 

import org.jfree.chart.urls.StandardCategoryURLGenerator; //导入依赖的package包/类
/**
 * Creates a Gantt chart using the supplied attributes plus default values 
 * where required.  The chart object returned by this method uses a 
 * {@link CategoryPlot} instance as the plot, with a {@link CategoryAxis} 
 * for the domain axis, a {@link DateAxis} as the range axis, and a 
 * {@link GanttRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis 
 *                           (<code>null</code> permitted).
 * @param dateAxisLabel  the label for the date axis 
 *                       (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A Gantt chart.
 */
public static JFreeChart createGanttChart(String title,
                                          String categoryAxisLabel,
                                          String dateAxisLabel,
                                          IntervalCategoryDataset dataset,
                                          boolean legend,
                                          boolean tooltips,
                                          boolean urls) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    DateAxis dateAxis = new DateAxis(dateAxisLabel);

    CategoryItemRenderer renderer = new GanttRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(
                new IntervalCategoryToolTipGenerator(
                "{3} - {4}", DateFormat.getDateInstance()));
    }
    if (urls) {
        renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis, 
            renderer);
    plot.setOrientation(PlotOrientation.HORIZONTAL);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}