org.springframework.format.number

Class AbstractNumberFormatter

java.lang.Object

org.springframework.format.number.AbstractNumberFormatter

All Implemented Interfaces:

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

Direct Known Subclasses:

CurrencyStyleFormatter, NumberStyleFormatter, PercentStyleFormatter

public abstract class AbstractNumberFormatter
extends java.lang.Object
implements Formatter<java.lang.Number>

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

Since:

3.0

Author:

Juergen Hoeller, Keith Donald

Constructor Summary

Constructors

Constructor and Description
AbstractNumberFormatter()

Method Summary

Modifier and Type	Method and Description
protected abstract java.text.NumberFormat	getNumberFormat(java.util.Locale locale) Obtain a concrete NumberFormat for the specified locale.
java.lang.Number	parse(java.lang.String text, java.util.Locale locale) Parse a text String to produce a T.
java.lang.String	print(java.lang.Number number, java.util.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 java.lang.String print(java.lang.Number number,
                              java.util.Locale locale)

Description copied from interface: Printer

Print the object of type T for display.

Specified by:

print in interface Printer<java.lang.Number>

Parameters:

number - the instance to print

locale - the current user locale

Returns:

the printed text string

parse

public java.lang.Number 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>

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 abstract java.text.NumberFormat getNumberFormat(java.util.Locale locale)

Obtain a concrete NumberFormat for the specified locale.

Parameters:

locale - the current locale

Returns:

the NumberFormat instance (never null)