/* (non-Javadoc)
  * @see com.ning.billing.catalog.IInternationalPrice#getPrice(com.ning.billing.catalog.api.Currency)
  */
 @Override
 public BigDecimal getPrice(Currency currency) throws CatalogApiException {
   for (Price p : prices) {
     if (p.getCurrency() == currency) {
       return p.getValue();
     }
   }
   throw new CatalogApiException(ErrorCode.CAT_NO_PRICE_FOR_CURRENCY, currency);
 }
 @Override
 public ValidationErrors validate(StandaloneCatalog catalog, ValidationErrors errors) {
   Currency[] supportedCurrencies = catalog.getCurrentSupportedCurrencies();
   for (Price p : prices) {
     Currency currency = p.getCurrency();
     if (!currencyIsSupported(currency, supportedCurrencies)) {
       errors.add(
           "Unsupported currency: " + currency, catalog.getCatalogURI(), this.getClass(), "");
     }
     try {
       if (p.getValue().doubleValue() < 0.0) {
         errors.add(
             "Negative value for price in currency: " + currency,
             catalog.getCatalogURI(),
             this.getClass(),
             "");
       }
     } catch (CurrencyValueNull e) {
       // No currency => nothing to check, ignore exception
     }
   }
   return errors;
 }