1.1 --- a/task2/solution01/src/org/apidesign/apifest08/currency/ConversionProperties.java	Tue Oct 07 01:18:23 2008 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,101 +0,0 @@
     1.4 -package org.apidesign.apifest08.currency;
     1.5 -
     1.6 -import java.math.BigDecimal;
     1.7 -import java.math.RoundingMode;
     1.8 -
     1.9 -/**
    1.10 - * This class encapsulates settings for currency conversion
    1.11 - * We can use it eg. for uptime options etc. in future versions
    1.12 - *
    1.13 - * @author Ladislav Vitasek
    1.14 - */
    1.15 -final public class ConversionProperties {
    1.16 -
    1.17 -    private final ConversionRatioProvider conversionRatioProvider;
    1.18 -    private final RoundingMode roundingMode;
    1.19 -
    1.20 -    /**
    1.21 -     * Returns conversion constants - conversion operation is invertable
    1.22 -     * Default
    1.23 -     */
    1.24 -    private final static class FixedBidirectionalRatioConversion implements ConversionRatioProvider {
    1.25 -        private final BigDecimal currency1ToCurrency2Constant;
    1.26 -        private final BigDecimal currency2ToCurrency1Constant;
    1.27 -        private static final int SCALE_MAX_DEFAULT = 20;
    1.28 -
    1.29 -        /**
    1.30 -         * Constructor
    1.31 -         * @param ratioConstant fixed ratio constant
    1.32 -         * @param mode math rounding mode
    1.33 -         * @throws IllegalArgumentException if conversion value is <= 0
    1.34 -         */
    1.35 -        private FixedBidirectionalRatioConversion(BigDecimal ratioConstant, RoundingMode mode) {
    1.36 -            if (ratioConstant.compareTo(BigDecimal.ZERO) <= 0)
    1.37 -                throw new IllegalArgumentException("Conversion value cannot be <= 0");
    1.38 -            this.currency1ToCurrency2Constant = ratioConstant;
    1.39 -            this.currency2ToCurrency1Constant = BigDecimal.ONE.setScale(SCALE_MAX_DEFAULT).divide(ratioConstant, mode);
    1.40 -        }
    1.41 -
    1.42 -        public BigDecimal getCurrency1ToCurrency2Constant() {
    1.43 -            return currency1ToCurrency2Constant;
    1.44 -        }
    1.45 -
    1.46 -        public BigDecimal getCurrency2ToCurrency1Constant() {
    1.47 -            return currency2ToCurrency1Constant;
    1.48 -        }
    1.49 -    }
    1.50 -
    1.51 -
    1.52 -    /**
    1.53 -     * Returns new instance Conversion properties - fixed conversion ratio - both directions
    1.54 -     * Default max scale is set to 20
    1.55 -     *
    1.56 -     * @param conversionConstant value of constant for conversion
    1.57 -     * @param roundingMode       math rounding mode
    1.58 -     * @return new instance of ConversionProperties class
    1.59 -     * @throws IllegalArgumentException if conversion constant is <= 0 
    1.60 -     * @see org.apidesign.apifest08.currency.ConversionProperties.FixedBidirectionalRatioConversion
    1.61 -     */
    1.62 -    public static ConversionProperties create(BigDecimal conversionConstant, RoundingMode roundingMode) {
    1.63 -        return create(new FixedBidirectionalRatioConversion(conversionConstant, roundingMode), roundingMode);
    1.64 -    }
    1.65 -
    1.66 -    /**
    1.67 -     * Returns new instance Conversion properties
    1.68 -     *
    1.69 -     * @param conversionRatioProvider provider for conversion constants
    1.70 -     * @param roundingMode       math rounding mode
    1.71 -     * @return new instance of ConversionProperties class
    1.72 -     */
    1.73 -    public static ConversionProperties create(ConversionRatioProvider conversionRatioProvider, RoundingMode roundingMode) {
    1.74 -        if (conversionRatioProvider == null || roundingMode == null)
    1.75 -            throw new NullPointerException();
    1.76 -        return new ConversionProperties(conversionRatioProvider, roundingMode);
    1.77 -    }
    1.78 -
    1.79 -    /**
    1.80 -     * Returns new instance Conversion properties with values set to conversionConstant=BigDecimal.ONE
    1.81 -     * and roundingMode=RoundingMode.HALF_EVEN
    1.82 -     * 
    1.83 -     * Conversion is bidirectional.
    1.84 -     *
    1.85 -     * @return
    1.86 -     */
    1.87 -    public static ConversionProperties createDefault() {
    1.88 -        return create(BigDecimal.ONE, RoundingMode.HALF_EVEN);
    1.89 -    }
    1.90 -
    1.91 -    private ConversionProperties(ConversionRatioProvider conversionRatioProvider, RoundingMode roundingMode) {
    1.92 -        this.conversionRatioProvider = conversionRatioProvider;
    1.93 -        this.roundingMode = roundingMode;
    1.94 -    }
    1.95 -
    1.96 -
    1.97 -    public RoundingMode getRoundingMode() {
    1.98 -        return roundingMode;
    1.99 -    }
   1.100 -
   1.101 -    public ConversionRatioProvider getConversionRatioProvider() {
   1.102 -        return conversionRatioProvider;
   1.103 -    }
   1.104 -}