/*
 * ExchangeList.java
 *
 * Created on: 22-Mar-2010
 *
 */

package netukar.exchange;

import java.text.DecimalFormat;

/**
 *
 * @author radovan
 */
public class ExchangeList {

    private ExchangeRateCalculator calculator;
    private DecimalFormat formatter;


    /**
     * Creates a new instance of ExchangeList.
     */
    public ExchangeList() {
        calculator = new ExchangeRateCalculator();
        formatter = new DecimalFormat("0.000");
    }


    public double calculate(double amount, Currency in, Currency out) {
        return calculator.calculate(amount, in, out);
    }

    /**
     * @throw   IllegalArgumentException
     *          if either parameter <code>from</code> or <code>to</code> cannot
     *          be mapped to any <code>Currency</code> enumeration type
     */
    public double calculate(double amount, String from, String to) {
        return calculator.calculate(amount, from, to);
    }

    public String format(double amount) {
        return formatter.format(amount);
    }

    public Currency[] getAvailableCurrencies() {
        return ExchangeRateTable.getInstance().getAvailableCurrencies();
    }

}