Package org.jfree.chart.labels

Class StandardXYLabelGenerator

java.lang.Object
org.jfree.chart.labels.AbstractXYItemLabelGenerator
org.jfree.chart.labels.StandardXYLabelGenerator
All Implemented Interfaces:
Serializable, Cloneable, XYLabelGenerator, org.jfree.util.PublicCloneable
public class StandardXYLabelGenerator
extends AbstractXYItemLabelGenerator
implements XYLabelGenerator, Cloneable, org.jfree.util.PublicCloneable, Serializable
A standard label generator for plots that use data from an XYDataset.
See Also:
Serialized Form

  • Field Details

    • DEFAULT_ITEM_LABEL_FORMAT

      public static final String DEFAULT_ITEM_LABEL_FORMAT
      The default item label format.
      See Also:
      Constant Field Values

  • Constructor Details

    • StandardXYLabelGenerator

      public StandardXYLabelGenerator()
      Creates an item label generator using default number formatters.

    • StandardXYLabelGenerator

      public StandardXYLabelGenerator​(String formatString, NumberFormat xFormat, NumberFormat yFormat)
      Creates an item label generator using the specified number formatters.
      Parameters:
      formatString - the item label format string (null not permitted).
      xFormat - the format object for the x values (null not permitted).
      yFormat - the format object for the y values (null not permitted).

    • StandardXYLabelGenerator

      public StandardXYLabelGenerator​(String formatString, DateFormat xFormat, NumberFormat yFormat)
      Creates an item label generator using the specified number formatters.
      Parameters:
      formatString - the item label format string (null not permitted).
      xFormat - the format object for the x values (null not permitted).
      yFormat - the format object for the y values (null not permitted).

    • StandardXYLabelGenerator

      public StandardXYLabelGenerator​(String formatString, DateFormat xFormat, DateFormat yFormat)
      Creates a label generator using the specified date formatters.
      Parameters:
      formatString - the label format string (null not permitted).
      xFormat - the format object for the x values (null not permitted).
      yFormat - the format object for the y values (null not permitted).

  • Method Details

    • generateLabel

      public String generateLabel​(XYDataset dataset, int series, int item)
      Generates the item label text for an item in a dataset.
      Specified by:
      generateLabel in interface XYLabelGenerator
      Parameters:
      dataset - the dataset (null not permitted).
      series - the series index (zero-based).
      item - the item index (zero-based).
      Returns:
      The label text (possibly null).

    • clone

      public Object clone() throws CloneNotSupportedException
      Returns an independent copy of the generator.
      Specified by:
      clone in interface org.jfree.util.PublicCloneable
      Overrides:
      clone in class AbstractXYItemLabelGenerator
      Returns:
      A clone.
      Throws:
      CloneNotSupportedException - if cloning is not supported.

    • equals

      public boolean equals​(Object obj)
      Tests this object for equality with an arbitrary object.
      Overrides:
      equals in class AbstractXYItemLabelGenerator
      Parameters:
      obj - the other object (null permitted).
      Returns:
      A boolean.