Module platform

Package org.jfree.chart.labels

Class StandardCategoryItemLabelGenerator

java.lang.Object

org.jfree.chart.labels.AbstractCategoryItemLabelGenerator

org.jfree.chart.labels.StandardCategoryItemLabelGenerator

All Implemented Interfaces:

Serializable, Cloneable, CategoryItemLabelGenerator, PublicCloneable

Direct Known Subclasses:

IntervalCategoryItemLabelGenerator

public class StandardCategoryItemLabelGenerator
extends AbstractCategoryItemLabelGenerator
implements CategoryItemLabelGenerator, Cloneable, PublicCloneable, Serializable

A standard label generator that can be used with a CategoryItemRenderer.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_LABEL_FORMAT_STRING	The default format string.

Constructor Summary

Constructors

Constructor	Description
StandardCategoryItemLabelGenerator()	Creates a new generator with a default number formatter.
StandardCategoryItemLabelGenerator(String labelFormat, DateFormat formatter)	Creates a new generator with the specified date formatter.
StandardCategoryItemLabelGenerator(String labelFormat, NumberFormat formatter)	Creates a new generator with the specified number formatter.
StandardCategoryItemLabelGenerator(String labelFormat, NumberFormat formatter, NumberFormat percentFormatter)	Creates a new generator with the specified number formatter.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Tests this generator for equality with an arbitrary object.
String	generateLabel(CategoryDataset dataset, int row, int column)	Generates the label for an item in a dataset.

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

clone, createItemArray, generateColumnLabel, generateLabelString, generateRowLabel, getDateFormat, getLabelFormat, getNumberFormat, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.chart.labels.CategoryItemLabelGenerator

generateColumnLabel, generateRowLabel

Methods inherited from interface org.jfree.chart.util.PublicCloneable

clone

Field Details

DEFAULT_LABEL_FORMAT_STRING

public static final String DEFAULT_LABEL_FORMAT_STRING

The default format string.

See Also:

• Constant Field Values

Constructor Details

StandardCategoryItemLabelGenerator

public StandardCategoryItemLabelGenerator()

Creates a new generator with a default number formatter.

StandardCategoryItemLabelGenerator

public StandardCategoryItemLabelGenerator(String labelFormat,
 NumberFormat formatter)

Creates a new generator with the specified number formatter.

Parameters:

labelFormat - the label format string (null not permitted).

formatter - the number formatter (null not permitted).

StandardCategoryItemLabelGenerator

public StandardCategoryItemLabelGenerator(String labelFormat,
 NumberFormat formatter,
 NumberFormat percentFormatter)

Creates a new generator with the specified number formatter.

Parameters:

labelFormat - the label format string (null not permitted).

formatter - the number formatter (null not permitted).

percentFormatter - the percent formatter (null not permitted).

StandardCategoryItemLabelGenerator

public StandardCategoryItemLabelGenerator(String labelFormat,
 DateFormat formatter)

Creates a new generator with the specified date formatter.

Parameters:

labelFormat - the label format string (null not permitted).

formatter - the date formatter (null not permitted).

Method Details

generateLabel

public String generateLabel(CategoryDataset dataset,
 int row,
 int column)

Generates the label for an item in a dataset. Note: in the current dataset implementation, each row is a series, and each column contains values for a particular category.

Specified by:

generateLabel in interface CategoryItemLabelGenerator

Parameters:

dataset - the dataset (null not permitted).

row - the row index (zero-based).

column - the column index (zero-based).

Returns:

The label (possibly null).

equals

public boolean equals(Object obj)

Tests this generator for equality with an arbitrary object.

Overrides:

equals in class AbstractCategoryItemLabelGenerator

Parameters:

obj - the object (null permitted).

Returns:

true if this generator is equal to obj, and false otherwise.