1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/task2/solution13/src/org/apidesign/apifest08/currency/ExchangeRateProvider.java	Wed Oct 01 10:43:05 2008 +0200
     1.3 @@ -0,0 +1,62 @@
     1.4 +
     1.5 +package org.apidesign.apifest08.currency;
     1.6 +
     1.7 +import java.math.BigDecimal;
     1.8 +import java.util.Date;
     1.9 +
    1.10 +/**
    1.11 + * Exchange rate provider - can provide fixed exchange rate which does not depend
    1.12 + * on date (method {@link #getExchangeRate()} ) or exchange rate based on date (method {@link #getExchangeRate(java.util.Date) }).
    1.13 + * 
    1.14 + * 
    1.15 + * @author arnostvalicek
    1.16 + */
    1.17 +public class ExchangeRateProvider {
    1.18 +    BigDecimal fromValue, toValue;
    1.19 +    ConvertorCurrency fromCurrency, toCurrency;
    1.20 +
    1.21 +    /**
    1.22 +     * Simple constructor for <code>ExchangeRateProviderM</code> which can provide fixed exchange rate.
    1.23 +     * 
    1.24 +     * Describes conversion <em>from</em> to <em>to</em> currency.
    1.25 +     * 
    1.26 +     * @param fromValue From value. BigDecimal value, precision should be set to currency precision.
    1.27 +     * @param fromCurrency From currency.
    1.28 +     * @param toValue To value. BigDecimal value, precision should be set to currency precision.
    1.29 +     * @param toCurrency To currency.
    1.30 +     */
    1.31 +    public ExchangeRateProvider(BigDecimal fromValue, ConvertorCurrency fromCurrency, BigDecimal toValue, ConvertorCurrency toCurrency) {
    1.32 +        this.fromValue = fromValue;
    1.33 +        this.toValue = toValue;
    1.34 +        this.fromCurrency = fromCurrency;
    1.35 +        this.toCurrency = toCurrency;
    1.36 +    }
    1.37 +    
    1.38 +    /**
    1.39 +     * Get fixed exange rate for currencies (from->to).
    1.40 +     * @return Returns exchange rate.
    1.41 +     */
    1.42 +    public ExchangeRate getExchangeRate() {
    1.43 +        return new ExchangeRate(fromValue, toValue);
    1.44 +    }
    1.45 +    
    1.46 +    /**
    1.47 +     * Get exchange rate for currencies (from->to) based on provided date.
    1.48 +     * @param date Date for which exchange rate should be provided.
    1.49 +     * @return Returns exchange rate 
    1.50 +     */
    1.51 +    public ExchangeRate getExchangeRate(Date date) {
    1.52 +        return new ExchangeRate(fromValue, toValue);
    1.53 +    }
    1.54 +    
    1.55 +
    1.56 +    ConvertorCurrency getFromCurrency() {
    1.57 +        return fromCurrency;
    1.58 +    }
    1.59 +    
    1.60 +    ConvertorCurrency getToCurrency() {
    1.61 +        return toCurrency;
    1.62 +    }
    1.63 +    
    1.64 +
    1.65 +}