Package com.highdeal.currency

Class CurrencyHelper

java.lang.Object

com.highdeal.currency.CurrencyHelper

public class CurrencyHelper
extends Object

This Java class is a tool to work with currencies. For some of its methods, it is expected as prerequisite that the class Currency is initialized with a CurrencyBook.

Method Summary

Modifier and Type	Method	Description
static final String	getCurrencyISOCodeOrCode(Currency currency)	Returns the ISO code or the code of a currency whether the currency has an ISO code or not.
static final String	getCurrencyISOCodeOrCode(String currencyCode)	Returns the ISO code or the code of a currency whether the currency has an ISO code or not.

Methods inherited from class java.lang.Object

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

Method Details

getCurrencyISOCodeOrCode

public static final String getCurrencyISOCodeOrCode(String currencyCode)

Returns the ISO code or the code of a currency whether the currency has an ISO code or not.

Example

With the following CurrencyBook:

Currency Code	Currency ISO Code
EUR	EUR
USDN	USD
PNT	null

here are some examples which shows the behavior of this method:

currencyCode	Method Result
EUR	EUR
USDN	USD
PNT	PNT
UNK	UNK
null	throws NullPointerException

Parameters:

currencyCode - The code of the currency for which its ISO code or its code must be returned

Returns:

The ISO code if specified, currencyCode otherwise i.e. if no currency has currencyCode as code or if the currency has no ISO code.

Throws:

NullPointerException - if the class currency is not initialized with a CurrencyBook or if currencyCode is null

getCurrencyISOCodeOrCode

public static final String getCurrencyISOCodeOrCode(Currency currency)

Returns the ISO code or the code of a currency whether the currency has an ISO code or not.

Parameters:

currency - The currency for which its ISO code or its code must be returned

Returns:

The ISO code of currency if specified, the code of the currency otherwise.

Throws:

NullPointerException - if currency is null.