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org.jfree.chart.labels

Class StandardXYItemLabelGenerator

Implemented Interfaces:
Cloneable, PublicCloneable, Serializable, XYItemLabelGenerator
public class StandardXYItemLabelGenerator
extends AbstractXYItemLabelGenerator
implements XYItemLabelGenerator, Cloneable, PublicCloneable, Serializable
A standard item label generator for plots that use data from an XYDataset.

Field Summary

static String
DEFAULT_ITEM_LABEL_FORMAT
The default item label format.

Constructor Summary

StandardXYItemLabelGenerator()
Creates an item label generator using default number formatters.
StandardXYItemLabelGenerator(String formatString, DateFormat xFormat, DateFormat yFormat)
Creates a label generator using the specified date formatters.
StandardXYItemLabelGenerator(String formatString, DateFormat xFormat, NumberFormat yFormat)
Creates an item label generator using the specified number formatters.
StandardXYItemLabelGenerator(String formatString, NumberFormat xFormat, NumberFormat yFormat)
Creates an item label generator using the specified number formatters.

Method Summary

Object
clone()
Returns an independent copy of the generator.
boolean
equals(Object obj)
Tests this object for equality with an arbitrary object.
String
generateLabel(XYDataset dataset, int series, int item)
Generates the item label text for an item in a dataset.

Methods inherited from class org.jfree.chart.labels.AbstractXYItemLabelGenerator

clone, createItemArray, equals, generateLabelString, getFormatString, getXDateFormat, getXFormat, getYDateFormat, getYFormat

Field Details

DEFAULT_ITEM_LABEL_FORMAT

public static final String DEFAULT_ITEM_LABEL_FORMAT
The default item label format.

Constructor Details

StandardXYItemLabelGenerator

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

StandardXYItemLabelGenerator

public StandardXYItemLabelGenerator(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).

StandardXYItemLabelGenerator

public StandardXYItemLabelGenerator(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).

StandardXYItemLabelGenerator

public StandardXYItemLabelGenerator(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).

Method Details

clone

public Object clone()
            throws CloneNotSupportedException
Returns an independent copy of the generator.
Overrides:
clone in interface AbstractXYItemLabelGenerator
Returns:
A clone.

equals

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

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 XYItemLabelGenerator
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).

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