org.springframework.format.number
Class CurrencyFormatter

java.lang.Object
  org.springframework.format.number.AbstractNumberFormatter
      org.springframework.format.number.CurrencyFormatter

All Implemented Interfaces:

Formatter<java.lang.Number>, Parser<java.lang.Number>, Printer<java.lang.Number>

public class CurrencyFormatter
extends AbstractNumberFormatter

A BigDecimal formatter for currency values.

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

Since:

3.0

Author:

Keith Donald, Juergen Hoeller

See Also:

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

Field Summary

private java.util.Currency	currency
private int	fractionDigits
private java.math.RoundingMode	roundingMode
private static boolean	roundingModeOnDecimalFormat

Constructor Summary

CurrencyFormatter()

Method Summary

protected java.text.NumberFormat	getNumberFormat(java.util.Locale locale) Obtain a concrete NumberFormat for the specified locale.
java.math.BigDecimal	parse(java.lang.String text, java.util.Locale locale) Parse a text String to produce a T.
void	setCurrency(java.util.Currency currency) Specify the currency, if known.
void	setFractionDigits(int fractionDigits) Specify the desired number of fraction digits.
void	setRoundingMode(java.math.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

Field Detail

roundingModeOnDecimalFormat

private static final boolean roundingModeOnDecimalFormat

fractionDigits

private int fractionDigits

roundingMode

private java.math.RoundingMode roundingMode

currency

private java.util.Currency currency

Constructor Detail

CurrencyFormatter

public CurrencyFormatter()

Method Detail

setFractionDigits

public void setFractionDigits(int fractionDigits)

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

setRoundingMode

public void setRoundingMode(java.math.RoundingMode roundingMode)

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

setCurrency

public void setCurrency(java.util.Currency currency)

Specify the currency, if known.

parse

public java.math.BigDecimal parse(java.lang.String text,
                                  java.util.Locale locale)
                           throws java.text.ParseException

Description copied from interface: Parser

Parse a text String to produce a T.

Specified by:

parse in interface Parser<java.lang.Number>

Overrides:

parse in class AbstractNumberFormatter

Parameters:

text - the text string

locale - the current user locale

Returns:

an instance of T

Throws:

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

getNumberFormat

protected java.text.NumberFormat getNumberFormat(java.util.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)