OSID - osid.locale.CurrencyFormattingSession Service Interface Definition

Interface	osid.locale.CurrencyFormattingSession
Implements	`osid.OsidSession`
Used By	`osid.locale.LocaleManager`
Used By	`osid.locale.LocaleProxyManager`
Description	This session defines methods to format and parse currency amounts.
Method	getCurrencyType
Description	Gets the currency type for amounts used in this session.
Return	`osid.type.Type`		the currency type
Compliance	`mandatory`		This method must be implemented.
Method	getNumericFormatType
Description	Gets the numeric format type for the amounts used in this session.
Return	`osid.type.Type`		the numeric format type
Compliance	`mandatory`		This method must be implemented.
Method	canFormatCurrencies
Description	Tests if this user can format and parse currencies. A return of true does not guarantee successful authorization. A return of false indicates that it is known all methods in this session will result in a `PERMISSION_DENIED`. This is intended as a hint to an application that may opt not to offer lookup operations.
Return	`boolean`		`false` if translation methods are not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	currencyToString
Description	Gets a string representation of a currency including the currency symbol indicated by the currency type.
Parameters	`osid.financials.Currency`	`amount`	a currency value
Return	`string`		the display string
Errors	INVALID_ARGUMENT		`amount.getCurrencyType()!= getCurrencyType()`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	currenciesToStrings
Description	Gets a string representation of a list of currency amounts including the currency symbols indicated by the currency type.
Parameters	`osid.financials.Currency[]`	`amounts`	an array of amounts
Return	`string[]`		the display strings
Errors	INVALID_ARGUMENT		`amount.getCurrencyType()!= getCurrencyType()`
	NULL_ARGUMENT		`amounts` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	stringToCurrency
Description	Parses a currency amount.
Parameters	`string`	`s`	a currency string
Return	`osid.financials.Currency`		the currency amount
Errors	INVALID_ARGUMENT		s is not of `getCurrencyType()` or s is not of `getNumericFormatType()`
	NULL_ARGUMENT		`s` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.