Information about a currency.

abstract class CurrencyData {

 /**
  * Returns the ISO4217 code for this currency.
  */
 String getCurrencyCode();

 /**
  * Returns the default symbol to use for this currency.
  */
 String getCurrencySymbol();

 /**
  * Returns the default number of decimal positions for this currency.
  */
 int getDefaultFractionDigits();

 /**
  * Returns the default symbol to use for this currency, intended to be
  * recognizable in most locales.  If such a symbol is not available, it is
  * acceptable to return the same value as {@link #getCurrencySymbol()}.
  */
 String getPortableCurrencySymbol();

 /**
  * Returns the simplest symbol to use for this currency, which is not guaranteed
  * to be unique -- for example, this might return "$" for both USD and CAD.  It
  * is acceptable to return the same value as {@link #getCurrencySymbol()}.
  */
 String getSimpleCurrencySymbol();

 /**
  * Returns true if this currency is deprecated and should not be returned by
  * default in currency lists.
  */
 bool isDeprecated();

 /**
  * Returns true if there should always be a space between the currency symbol
  * and the number, false if there should be no space.  Ignored unless
  * {@link #isSpacingFixed()} returns true.
  */
 bool isSpaceForced();

 /**
  * Returns true if the spacing between the currency symbol and the number is
  * fixed regardless of locale defaults.  In this case, spacing will be
  * determined by {@link #isSpaceForced()}.
  */
 bool isSpacingFixed();

 /**
  * Returns true if the position of the currency symbol relative to the number
  * is fixed regardless of locale defaults.  In this case, the position will be
  * determined by {@link #isSymbolPrefix()}.
  */
 bool isSymbolPositionFixed();

 /**
  * Returns true if the currency symbol should go before the number, false if
  * it should go after the number.  This is ignored unless
  * {@link #isSymbolPositionFixed()} is true.
  */
 bool isSymbolPrefix();
}