Package org.apache.pivot.wtk.validation

Class DecimalValidator

java.lang.Object

org.apache.pivot.wtk.validation.FormattedValidator<java.text.NumberFormat>

org.apache.pivot.wtk.validation.DecimalValidator

All Implemented Interfaces:

Validator

Direct Known Subclasses:

ComparableValidator, DoubleValidator, FloatValidator, IntValidator

public class DecimalValidator
extends FormattedValidator<java.text.NumberFormat>

A validator for decimal values.

Field Summary

Fields inherited from class org.apache.pivot.wtk.validation.FormattedValidator

format, locale

Constructor Summary

Constructors

Constructor	Description
DecimalValidator()
DecimalValidator(java.text.DecimalFormat format)
DecimalValidator(java.text.DecimalFormat format, java.util.Locale locale)
DecimalValidator(java.util.Locale locale)

Method Summary

Modifier and Type	Method	Description
boolean	isAutoTrim()	Tell the autoTrim mode.
protected java.lang.Number	parseNumber(java.lang.String text)	Helper method that wraps the ParseException in a RuntimeException.
void	setAutoTrim(boolean autoTrim)	Set the autoTrim mode, before parsing the text (default false).
protected java.math.BigDecimal	textToBigDecimal(java.lang.String text)	Helper method that returns the widest number real instance, and extract later values depending on the precision needed.

Methods inherited from class org.apache.pivot.wtk.validation.FormattedValidator

isValid

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DecimalValidator

public DecimalValidator(java.text.DecimalFormat format)

DecimalValidator

public DecimalValidator(java.text.DecimalFormat format,
                        java.util.Locale locale)

DecimalValidator

public DecimalValidator()

DecimalValidator

public DecimalValidator(java.util.Locale locale)

Method Detail

parseNumber

protected final java.lang.Number parseNumber(java.lang.String text)

Helper method that wraps the ParseException in a RuntimeException.

Parameters:

text - The text to parse.

Returns:

The number parsed from the text.

Throws:

java.lang.RuntimeException - if there was a parsing error.

textToBigDecimal

protected final java.math.BigDecimal textToBigDecimal(java.lang.String text)

Helper method that returns the widest number real instance, and extract later values depending on the precision needed.

Parameters:

text - The text to convert.

Returns:

The decimal equivalent of the text or null if the text cannot be converted.

setAutoTrim

public void setAutoTrim(boolean autoTrim)

Set the autoTrim mode, before parsing the text (default false).

Parameters:

autoTrim - The new auto trim value (true to trim leading and trailing blanks before parsing text).

isAutoTrim

public boolean isAutoTrim()

Tell the autoTrim mode.

Returns:

true if autoTrim is enabled, otherwise false (default).