org.springframework.format.number

Class CurrencyStyleFormatter

java.lang.Object

org.springframework.format.number.AbstractNumberFormatter

org.springframework.format.number.CurrencyStyleFormatter

All Implemented Interfaces:

Formatter<Number>, Parser<Number>, Printer<Number>

Direct Known Subclasses:

CurrencyFormatter

public class CurrencyStyleFormatter
extends AbstractNumberFormatter

A BigDecimal formatter for number values in currency style.

Delegates to NumberFormat.getCurrencyInstance(Locale). Configures BigDecimal parsing so there is no loss of precision. Can apply a specified RoundingMode to parsed values.

Since:

4.2

Author:

Keith Donald, Juergen Hoeller

See Also:

AbstractNumberFormatter.setLenient(boolean), setRoundingMode(java.math.RoundingMode)

Constructor Summary

Constructors

Constructor and Description
CurrencyStyleFormatter()

Method Summary

Modifier and Type	Method and Description
protected NumberFormat	getNumberFormat(Locale locale) Obtain a concrete NumberFormat for the specified locale.
BigDecimal	parse(String text, Locale locale) Parse a text String to produce a T.
void	setCurrency(Currency currency) Specify the currency, if known.
void	setFractionDigits(int fractionDigits) Specify the desired number of fraction digits.
void	setPattern(String pattern) Specify the pattern to use to format number values.
void	setRoundingMode(RoundingMode roundingMode) Specify the rounding mode to use for decimal parsing.

Methods inherited from class org.springframework.format.number.AbstractNumberFormatter

print, setLenient

Methods inherited from class java.lang.Object

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

Constructor Detail

CurrencyStyleFormatter

public CurrencyStyleFormatter()

Method Detail

setFractionDigits

public void setFractionDigits(int fractionDigits)

Specify the desired number of fraction digits. Default is 2.

setRoundingMode

public void setRoundingMode(RoundingMode roundingMode)

Specify the rounding mode to use for decimal parsing. Default is RoundingMode.UNNECESSARY.

setCurrency

public void setCurrency(Currency currency)

Specify the currency, if known.

setPattern

public void setPattern(String pattern)

Specify the pattern to use to format number values. If not specified, the default DecimalFormat pattern is used.

See Also:

DecimalFormat.applyPattern(String)

parse

public BigDecimal parse(String text,
                        Locale locale)
                 throws ParseException

Description copied from interface: Parser

Parse a text String to produce a T.

Specified by:

parse in interface Parser<Number>

Overrides:

parse in class AbstractNumberFormatter

Parameters:

text - the text string

locale - the current user locale

Returns:

an instance of T

Throws:

ParseException - when a parse exception occurs in a java.text parsing library

getNumberFormat

protected NumberFormat getNumberFormat(Locale locale)

Description copied from class: AbstractNumberFormatter

Obtain a concrete NumberFormat for the specified locale.

Specified by:

getNumberFormat in class AbstractNumberFormatter

Parameters:

locale - the current locale

Returns:

the NumberFormat instance (never null)