Examples with ExchangeRate javax.money.convert.ExchangeRate used on opensource projects

Example 6 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri-bp by JavaMoney.

the class ExchangeRateBuilderTest method shouldCreateExchangeRateFromExchangeRate.

@Test
public void shouldCreateExchangeRateFromExchangeRate() {
    ExchangeRate rate = new ExchangeRateBuilder(ConversionContext.ANY_CONVERSION).setBase(CURRENCY).setTerm(CURRENCY).setFactor(NUMBER_FACTOR).build();
    ExchangeRate rate2 = new ExchangeRateBuilder(rate).build();
    assertEquals(rate.getContext(), rate2.getContext());
    assertEquals(rate.getBaseCurrency(), rate2.getBaseCurrency());
    assertEquals(rate.getFactor(), rate2.getFactor());
}

Example 7 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri-bp by JavaMoney.

the class AbstractCurrencyConversion method apply.

/**
 * Method that converts the source {@link MonetaryAmount} to an
 * {@link MonetaryAmount} based on the {@link ExchangeRate} of this
 * conversion.
 *
 * @param amount The source amount
 * @return The converted amount, never null.
 * @throws CurrencyConversionException if conversion failed, or the required data is not available.
 * @see #getExchangeRate(MonetaryAmount)
 */
@Override
public MonetaryAmount apply(MonetaryAmount amount) {
    if (termCurrency.equals(Objects.requireNonNull(amount).getCurrency())) {
        return amount;
    }
    ExchangeRate rate = getExchangeRate(amount);
    if (rate == null || !amount.getCurrency().equals(rate.getBaseCurrency())) {
        throw new CurrencyConversionException(amount.getCurrency(), this.termCurrency, this.conversionContext);
    }
    NumberValue factor = rate.getFactor();
    factor = roundFactor(amount, factor);
    Integer scale = rate.getContext().get(KEY_SCALE, Integer.class);
    if (scale == null || scale < 0) {
        return amount.multiply(factor).getFactory().setCurrency(rate.getCurrency()).create();
    } else {
        return amount.multiply(factor).getFactory().setCurrency(rate.getCurrency()).create().with(MonetaryOperators.rounding(scale));
    }
}

Example 8 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri-bp by JavaMoney.

the class IMFRateProvider method loadRatesTSV.

@SuppressWarnings("unchecked")
private void loadRatesTSV(InputStream inputStream) throws IOException, ParseException {
    Map<CurrencyUnit, List<ExchangeRate>> newCurrencyToSdr = new HashMap<>();
    Map<CurrencyUnit, List<ExchangeRate>> newSdrToCurrency = new HashMap<>();
    NumberFormat f = new DecimalFormat("#0.0000000000");
    f.setGroupingUsed(false);
    BufferedReader pr = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
    String line = pr.readLine();
    if (line.contains("Request Rejected")) {
        throw new IOException("Request has been rejected by IMF server.");
    }
    // int lineType = 0;
    boolean currencyToSdr = true;
    // SDRs per Currency unit (2)
    // 
    // Currency January 31, 2013 January 30, 2013 January 29, 2013
    // January 28, 2013 January 25, 2013
    // Euro 0.8791080000 0.8789170000 0.8742470000 0.8752180000
    // 0.8768020000
    // Currency units per SDR(3)
    // 
    // Currency January 31, 2013 January 30, 2013 January 29, 2013
    // January 28, 2013 January 25, 2013
    // Euro 1.137520 1.137760 1.143840 1.142570 1.140510
    List<LocalDate> timestamps = null;
    while (line != null) {
        if (line.trim().isEmpty()) {
            line = pr.readLine();
            continue;
        }
        if (line.startsWith("SDRs per Currency unit")) {
            currencyToSdr = false;
            line = pr.readLine();
            continue;
        } else if (line.startsWith("Currency units per SDR")) {
            currencyToSdr = true;
            line = pr.readLine();
            continue;
        } else if (line.startsWith("Currency")) {
            timestamps = readTimestamps(line);
            line = pr.readLine();
            continue;
        }
        String[] parts = line.split("\\t");
        CurrencyUnit currency = currenciesByName.get(parts[0]);
        if (currency == null) {
            LOGGER.finest("Uninterpretable data from IMF data feed: " + parts[0]);
            line = pr.readLine();
            continue;
        }
        Double[] values = parseValues(parts);
        for (int i = 0; i < values.length; i++) {
            if (values[i] == null) {
                continue;
            }
            LocalDate fromTS = timestamps != null ? timestamps.get(i) : null;
            if (fromTS == null) {
                continue;
            }
            RateType rateType = RateType.HISTORIC;
            if (fromTS.equals(LocalDate.now())) {
                rateType = RateType.DEFERRED;
            }
            if (currencyToSdr) {
                // Currency -> SDR
                ExchangeRate rate = new ExchangeRateBuilder(ConversionContextBuilder.create(CONTEXT, rateType).set(fromTS).build()).setBase(currency).setTerm(SDR).setFactor(new DefaultNumberValue(1d / values[i])).build();
                List<ExchangeRate> rates = newCurrencyToSdr.get(currency);
                if (rates == null) {
                    rates = new ArrayList<>(5);
                    newCurrencyToSdr.put(currency, rates);
                }
                rates.add(rate);
            } else {
                // SDR -> Currency
                ExchangeRate rate = new ExchangeRateBuilder(ConversionContextBuilder.create(CONTEXT, rateType).set(fromTS).set("LocalTime", fromTS.toString()).build()).setBase(SDR).setTerm(currency).setFactor(DefaultNumberValue.of(1d / values[i])).build();
                List<ExchangeRate> rates = newSdrToCurrency.get(currency);
                if (rates == null) {
                    rates = new ArrayList<>(5);
                    newSdrToCurrency.put(currency, rates);
                }
                rates.add(rate);
            }
        }
        line = pr.readLine();
    }
    // Cast is save, since contained DefaultExchangeRate is Comparable!
    for (List<ExchangeRate> list : newSdrToCurrency.values()) {
        Collections.sort(List.class.cast(list));
    }
    for (List<ExchangeRate> list : newCurrencyToSdr.values()) {
        Collections.sort(List.class.cast(list));
    }
    this.sdrToCurrency = newSdrToCurrency;
    this.currencyToSdr = newCurrencyToSdr;
    for (Map.Entry<CurrencyUnit, List<ExchangeRate>> entry : this.sdrToCurrency.entrySet()) {
        LOGGER.finest("SDR -> " + entry.getKey().getCurrencyCode() + ": " + entry.getValue());
    }
    for (Map.Entry<CurrencyUnit, List<ExchangeRate>> entry : this.currencyToSdr.entrySet()) {
        LOGGER.finest(entry.getKey().getCurrencyCode() + " -> SDR: " + entry.getValue());
    }
}

Example 9 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class ExchangeRateBuilderTest method equalsTest.

@Test
public void equalsTest() {
    DefaultNumberValue factor = new DefaultNumberValue(1.1);
    DefaultNumberValue bigDecimalFactor = new DefaultNumberValue(new BigDecimal("1.1"));
    CurrencyUnit EUR = Monetary.getCurrency("EUR");
    CurrencyUnit GBP = Monetary.getCurrency("GBP");
    ExchangeRate rate1 = new ExchangeRateBuilder("myprovider", RateType.ANY).setBase(EUR).setTerm(GBP).setFactor(factor).build();
    ExchangeRate rate2 = new ExchangeRateBuilder("myprovider", RateType.ANY).setBase(EUR).setTerm(GBP).setFactor(factor).build();
    ExchangeRate rate3 = new ExchangeRateBuilder("myprovider", RateType.ANY).setBase(EUR).setTerm(GBP).setFactor(bigDecimalFactor).build();
    assertEquals(rate1, rate2, "Rates with same factor");
    assertEquals(rate1, rate3, "Rates with numerically equal factor");
    assertEquals(rate1.hashCode(), rate2.hashCode(), "Hashes with same factor");
    assertEquals(rate1.hashCode(), rate3.hashCode(), "Hashes with numerically equal factor");
}

Example 10 with ExchangeRate

use of javax.money.convert.ExchangeRate in project jsr354-ri by JavaMoney.

the class ExchangeRateBuilderTest method shouldCreateExchangeRate.

@Test
public void shouldCreateExchangeRate() {
    ExchangeRate rate = new ExchangeRateBuilder(ConversionContext.ANY_CONVERSION).setBase(CURRENCY).setTerm(CURRENCY).setFactor(NUMBER_FACTOR).build();
    assertEquals(rate.getContext(), ConversionContext.ANY_CONVERSION);
    assertEquals(rate.getBaseCurrency(), CURRENCY);
    assertEquals(rate.getFactor(), NUMBER_FACTOR);
}