2 package org.apidesign.apifest08.currency;
4 import java.util.Currency;
7 * Desription of currency.
9 * Java has similar class {@link java.util.Currency}, but original class is not flexible
10 * enough, we use our own implementation of currency.
12 * @author arnostvalicek
14 public class ConvertorCurrency {
15 private String currencyCode;
16 private int fractionDigits;
20 * Static method providing instance of <code>ConvertorCurrency</code> based on currency code.
22 * <code>currencyCode</code> is one of codes supported by Java class {@link java.util.Currency}.
24 * @param currencyCode Code of required currency.
25 * @return Returns required <code>ConvertorCurrency</code>
27 public static ConvertorCurrency getInstance(String currencyCode) {
28 ConvertorCurrency convertorCurrency = new ConvertorCurrency();
29 Currency currency = Currency.getInstance(currencyCode);
30 convertorCurrency.setCurrencyCode(currency.getCurrencyCode());
31 convertorCurrency.setDefaultFractionDigits(currency.getDefaultFractionDigits());
32 return convertorCurrency;
36 * Static method providing instance of <code>ConvertorCurrency</code> base of currency code.
38 * @param currencyCode Code of required currency.
39 * @param fractionDigits Number of fraction digits for currency.
40 * @return Returns required <code>ConvertorCurrency</code>
43 public static ConvertorCurrency getInstance(String currencyCode, int fractionDigits) {
44 ConvertorCurrency convertorCurrency = new ConvertorCurrency();
45 convertorCurrency.setCurrencyCode(currencyCode);
46 convertorCurrency.setDefaultFractionDigits(fractionDigits);
47 return convertorCurrency;
51 * Gets the default number of fraction digits used with this currency. For example, the default number of fraction digits for the Euro is 2, while for the Japanese Yen it's 0.
52 * @return Returns the default number of fraction digits used with this currency.
54 public int getDefaultFractionDigits() {
55 return fractionDigits;
58 private void setDefaultFractionDigits(int value) {
59 this.fractionDigits = value;
64 * @return Returns currency code.
66 public String getCurrencyCode() {
70 private void setCurrencyCode(String value) {
75 public boolean equals(Object obj) {
77 if (obj instanceof ConvertorCurrency) {
78 ConvertorCurrency that = (ConvertorCurrency) obj;
79 result = getCurrencyCode().equals(that.getCurrencyCode()) && getDefaultFractionDigits()==that.getDefaultFractionDigits();
87 public int hashCode() {
88 return currencyCode==null ? 47/*??*/ : currencyCode.hashCode();
93 public String toString() {
94 return "ConvertorCurrency[" + (currencyCode != null ? currencyCode : "NO-BASE-CURRENCY")+"]";