1.1 --- a/task2/solution08/src/org/apidesign/apifest08/currency/Convertor.java	Tue Oct 07 01:18:23 2008 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,55 +0,0 @@
     1.4 -package org.apidesign.apifest08.currency;
     1.5 -
     1.6 -import java.util.Currency;
     1.7 -import java.util.Hashtable;
     1.8 -import java.util.Map;
     1.9 -
    1.10 -/** This is the skeleton class for your API. You need to make it public, so
    1.11 - * it is accessible to your client code (currently in Task1Test.java) file.
    1.12 - * <p>
    1.13 - * Feel free to create additional classes or rename this one, just keep all
    1.14 - * the API and its implementation in this package. Do not spread it outside
    1.15 - * to other packages.
    1.16 - */
    1.17 -public class Convertor {
    1.18 -    
    1.19 -    private static final Map<String, Float> EXCHANGE_RATES = new Hashtable<String, Float>() { {
    1.20 -            put("CZKUSD", 1/17F);
    1.21 -            put("USDCZK", 17F);
    1.22 -            put("SKKCZK", 100/80F);
    1.23 -            put("CZKSKK", 80/100F);
    1.24 -        }
    1.25 -    };
    1.26 -    
    1.27 -    private Currency currencyFirst;
    1.28 -    private Currency currencySecond;
    1.29 -    
    1.30 -    private Convertor(Currency currencyFirst, Currency currencySecond) {
    1.31 -        this.currencyFirst = currencyFirst;
    1.32 -        this.currencySecond = currencySecond;
    1.33 -    }
    1.34 -    
    1.35 -    public static Convertor getInstanceFor(Currency currencyFirst, Currency currencySecond) {
    1.36 -        return new Convertor(currencyFirst, currencySecond);
    1.37 -    }
    1.38 -    
    1.39 -    public float convert(float value, Currency toCurrency) {
    1.40 -        if (!toCurrency.equals(currencyFirst) && !toCurrency.equals(currencySecond)) {
    1.41 -            throw new IllegalArgumentException("Unsupported currency for this convertor!: " + toCurrency.getCurrencyCode());
    1.42 -        }
    1.43 -        
    1.44 -        Float rate = null;
    1.45 -        if (toCurrency.equals(currencyFirst)) {
    1.46 -            rate = EXCHANGE_RATES.get(currencyFirst.getCurrencyCode() + currencySecond.getCurrencyCode());
    1.47 -        }
    1.48 -        if (toCurrency.equals(currencySecond)) {
    1.49 -            rate = EXCHANGE_RATES.get(currencySecond.getCurrencyCode() + currencyFirst.getCurrencyCode());
    1.50 -        }
    1.51 -
    1.52 -        if (rate == null) {
    1.53 -            throw new IllegalStateException("Undefinied conversion!");
    1.54 -        }
    1.55 -
    1.56 -        return rate*value;
    1.57 -    }
    1.58 -}