org.javamoney.moneta.spi

Class AbstractRateProvider

java.lang.Object

org.javamoney.moneta.spi.base.BaseExchangeRateProvider

org.javamoney.moneta.spi.AbstractRateProvider

All Implemented Interfaces:

ExchangeRateProvider

Direct Known Subclasses:

CompoundRateProvider, ECBCurrentRateProvider, ECBHistoric90RateProvider, ECBHistoricRateProvider, IdentityRateProvider, IMFRateProvider

public abstract class AbstractRateProvider
extends BaseExchangeRateProvider

Abstract base class for ExchangeRateProvider implementations.

Author:

Anatole Tresch, Werner Keil

Field Summary

Fields

Modifier and Type	Field and Description
protected Logger	LOGGER The logger used.

Constructor Summary

Constructors

Constructor and Description
AbstractRateProvider(ProviderContext providerContext) Constructor.

Method Summary

Modifier and Type	Method and Description
protected static NumberValue	divide(NumberValue dividend, NumberValue divisor) A protected helper method to divide 2 NumberValue types. If either of the values is null an ArithmeticException is thrown.
protected static NumberValue	divide(NumberValue dividend, NumberValue divisor, MathContext context) A protected helper method to divide 2 NumberValue types. If either of the values is null an ArithmeticException is thrown.
protected String	formatLocalDate(Calendar calendar)
ProviderContext	getContext()
CurrencyConversion	getCurrencyConversion(ConversionQuery conversionQuery)
abstract ExchangeRate	getExchangeRate(ConversionQuery conversionQuery)
protected static NumberValue	multiply(NumberValue multiplicand, NumberValue multiplier) A protected helper method to multiply 2 NumberValue types. If either of the values is null an ArithmeticException is thrown.

Methods inherited from class org.javamoney.moneta.spi.base.BaseExchangeRateProvider

getCurrencyConversion, getCurrencyConversion, getExchangeRate, getExchangeRate, getReversed, isAvailable, isAvailable, isAvailable

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected final Logger LOGGER

The logger used.

Constructor Detail

AbstractRateProvider

public AbstractRateProvider(ProviderContext providerContext)

Constructor.

Parameters:

providerContext - the ProviderContext, not null.

Method Detail

getContext

public ProviderContext getContext()

getExchangeRate

public abstract ExchangeRate getExchangeRate(ConversionQuery conversionQuery)

getCurrencyConversion

public CurrencyConversion getCurrencyConversion(ConversionQuery conversionQuery)

multiply

protected static NumberValue multiply(NumberValue multiplicand,
                                      NumberValue multiplier)

A protected helper method to multiply 2 NumberValue types.
If either of the values is null an ArithmeticException is thrown.

Parameters:

multiplicand - the first value to be multiplied

multiplier - the second value to be multiplied

Returns:

the result of the multiplication as NumberValue

divide

protected static NumberValue divide(NumberValue dividend,
                                    NumberValue divisor)

A protected helper method to divide 2 NumberValue types.
If either of the values is null an ArithmeticException is thrown.

Parameters:

dividend - the first value to be divided

divisor - the value to be divided by

Returns:

the result of the division as NumberValue

divide

protected static NumberValue divide(NumberValue dividend,
                                    NumberValue divisor,
                                    MathContext context)

A protected helper method to divide 2 NumberValue types.
If either of the values is null an ArithmeticException is thrown.

Parameters:

dividend - the first value to be divided

divisor - the value to be divided by

context - the MathContext to use

Returns:

the result of the division as NumberValue

formatLocalDate

protected String formatLocalDate(Calendar calendar)