org.apache.wicket.util.convert.converter

Class AbstractNumberConverter<N extends Number>

java.lang.Object

org.apache.wicket.util.convert.converter.AbstractConverter<N>

org.apache.wicket.util.convert.converter.AbstractNumberConverter<N>

Type Parameters:

N -

All Implemented Interfaces:

Serializable, IConverter<N>, IClusterable

Direct Known Subclasses:

AbstractDecimalConverter, AbstractIntegerConverter

public abstract class AbstractNumberConverter<N extends Number>
extends AbstractConverter<N>

Base class for all number converters.

Author:

Jonathan Locke

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractNumberConverter()

Method Summary

Modifier and Type	Method and Description
String	convertToString(N value, Locale locale) Converts the given value to a string.
NumberFormat	getNumberFormat(Locale locale)
protected abstract NumberFormat	newNumberFormat(Locale locale) Creates a new NumberFormat for the given locale.
protected BigDecimal	parse(Object value, BigDecimal min, BigDecimal max, Locale locale) Parses a value as a String and returns a Number.

Methods inherited from class org.apache.wicket.util.convert.converter.AbstractConverter

getTargetType, newConversionException, parse

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.util.convert.IConverter

convertToObject

Constructor Detail

AbstractNumberConverter

public AbstractNumberConverter()

Method Detail

getNumberFormat

public NumberFormat getNumberFormat(Locale locale)

Parameters:

locale - The locale

Returns:

Returns the numberFormat.

newNumberFormat

protected abstract NumberFormat newNumberFormat(Locale locale)

Creates a new NumberFormat for the given locale. The instance is later cached and is accessible through getNumberFormat(Locale)

Parameters:

locale -

Returns:

number format

parse

protected BigDecimal parse(Object value,
                           BigDecimal min,
                           BigDecimal max,
                           Locale locale)

Parses a value as a String and returns a Number.

Parameters:

value - The object to parse (after converting with toString())

min - The minimum allowed value or null if none

max - The maximum allowed value or null if none

locale -

Returns:

The number

Throws:

ConversionException - if value is unparsable or out of range

convertToString

public String convertToString(N value,
                              Locale locale)

Description copied from interface: IConverter

Converts the given value to a string.

Specified by:

convertToString in interface IConverter<N extends Number>

Overrides:

convertToString in class AbstractConverter<N extends Number>

Parameters:

value - The value to convert

locale - The locale used to convert the value

Returns:

The converted string value

See Also:

IConverter.convertToString(java.lang.Object, Locale)