org.jfree.chart.labels

Class AbstractXYItemLabelGenerator

java.lang.Object

org.jfree.chart.labels.AbstractXYItemLabelGenerator

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

BubbleXYItemLabelGenerator, IntervalXYItemLabelGenerator, StandardXYItemLabelGenerator, StandardXYToolTipGenerator

public class AbstractXYItemLabelGenerator
extends Object
implements Cloneable, Serializable

A base class for creating item label generators.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
Object	clone() Returns an independent copy of the generator.
boolean	equals(Object obj) Tests this object for equality with an arbitrary object.
String	generateLabelString(XYDataset dataset, int series, int item) Generates a label string for an item in the dataset.
String	getFormatString() Returns the format string (this controls the overall structure of the label).
String	getNullYString() Returns the string representing a null value.
DateFormat	getXDateFormat() Returns the date formatter for the x-values.
NumberFormat	getXFormat() Returns the number formatter for the x-values.
DateFormat	getYDateFormat() Returns the date formatter for the y-values.
NumberFormat	getYFormat() Returns the number formatter for the y-values.
int	hashCode() Returns a hash code for this instance.

Methods inherited from class java.lang.Object

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

Method Detail

getFormatString

public String getFormatString()

Returns the format string (this controls the overall structure of the label).

Returns:

The format string (never null).

getXFormat

public NumberFormat getXFormat()

Returns the number formatter for the x-values.

Returns:

The number formatter (possibly null).

getXDateFormat

public DateFormat getXDateFormat()

Returns the date formatter for the x-values.

Returns:

The date formatter (possibly null).

getYFormat

public NumberFormat getYFormat()

Returns the number formatter for the y-values.

Returns:

The number formatter (possibly null).

getYDateFormat

public DateFormat getYDateFormat()

Returns the date formatter for the y-values.

Returns:

The date formatter (possibly null).

generateLabelString

public String generateLabelString(XYDataset dataset,
                                  int series,
                                  int item)

Generates a label string for an item in the dataset.

Parameters:

dataset - the dataset (null not permitted).

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The label (possibly null).

getNullYString

public String getNullYString()

Returns the string representing a null value.

Returns:

The string representing a null value.

Since:

1.0.10

equals

public boolean equals(Object obj)

Tests this object for equality with an arbitrary object.

Overrides:

equals in class Object

Parameters:

obj - the other object (null permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this instance.

Overrides:

hashCode in class Object

Returns:

A hash code.

clone

public Object clone()
             throws CloneNotSupportedException

Returns an independent copy of the generator.

Overrides:

clone in class Object

Returns:

A clone.

Throws:

CloneNotSupportedException - if cloning is not supported.