org.springframework.format.number
Class AbstractNumberFormatter

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

All Implemented Interfaces:

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

Direct Known Subclasses:

CurrencyFormatter, NumberFormatter, PercentFormatter

public abstract class AbstractNumberFormatter
extends Object
implements Formatter<Number>

Abstract formatter for Numbers, providing a getNumberFormat(java.util.Locale) template method.

Since:

3.0

Author:

Juergen Hoeller, Keith Donald

Constructor Summary

AbstractNumberFormatter()

Method Summary

protected abstract NumberFormat	getNumberFormat(Locale locale) Obtain a concrete NumberFormat for the specified locale.
Number	parse(String text, Locale locale) Parse a text String to produce a T.
String	print(Number number, Locale locale) Print the object of type T for display.
void	setLenient(boolean lenient) Specify whether or not parsing is to be lenient.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractNumberFormatter

public AbstractNumberFormatter()

Method Detail

setLenient

public void setLenient(boolean lenient)

Specify whether or not parsing is to be lenient. Default is false.

With lenient parsing, the parser may allow inputs that do not precisely match the format. With strict parsing, inputs must match the format exactly.

print

public String print(Number number,
                    Locale locale)

Description copied from interface: Printer

Print the object of type T for display.

Specified by:

print in interface Printer<Number>

Parameters:

number - the instance to print

locale - the current user locale

Returns:

the printed text string

parse

public Number 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>

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 abstract NumberFormat getNumberFormat(Locale locale)

Obtain a concrete NumberFormat for the specified locale.

Parameters:

locale - the current locale

Returns:

the NumberFormat instance (never null)