JSR-354 Java Money & Currency

2017-02-22 11:59:50 -04:00
parent 72d5bfca82
commit fc570b9e2e
7 changed files with 552 additions and 0 deletions
--- a/core-java/src/main/java/com/baeldung/money/JavaMoney.java
+++ b/core-java/src/main/java/com/baeldung/money/JavaMoney.java
@@ -0,0 +1,147 @@
+package com.baeldung.money;
+
+import java.util.Locale;
+import java.util.logging.Logger;
+
+import javax.money.CurrencyUnit;
+import javax.money.Monetary;
+import javax.money.MonetaryAmount;
+import javax.money.UnknownCurrencyException;
+import javax.money.convert.ConversionQueryBuilder;
+import javax.money.convert.CurrencyConversion;
+import javax.money.convert.MonetaryConversions;
+import javax.money.format.AmountFormatQueryBuilder;
+import javax.money.format.MonetaryAmountFormat;
+import javax.money.format.MonetaryFormats;
+
+import org.javamoney.moneta.FastMoney;
+import org.javamoney.moneta.Money;
+import org.javamoney.moneta.format.CurrencyStyle;
+
+public class JavaMoney {
+    final static Logger LOGGER = Logger.getLogger(JavaMoney.class.getName());
+    CurrencyUnit USD;
+    MonetaryAmount fstAmtUSD;
+    MonetaryAmount fstAmtEUR;
+    MonetaryAmount oneDolar;
+    MonetaryAmount moneyof;
+    MonetaryAmount fastmoneyof;
+    MonetaryAmount roundEUR;
+    MonetaryAmount calcAmtUSD;
+    MonetaryAmount[] monetaryAmounts;
+    MonetaryAmount sumAmtCHF;
+    MonetaryAmount calcMoneyFastMoney;
+    MonetaryAmount convertedAmountEURtoUSD;
+    MonetaryAmount convertedAmountEURtoUSD2;
+    MonetaryAmount convertedAmountUSDtoEUR;
+    MonetaryAmount convertedAmountUSDtoEUR2;
+    MonetaryAmount multiplyAmount;
+    MonetaryAmount divideAmount;
+    MonetaryAmount oneDivThree;
+    CurrencyConversion convEUR;
+    CurrencyConversion convUSD;
+    CurrencyConversion conversionUSD;
+    CurrencyConversion conversionEUR;
+    MonetaryAmount oneEuro;
+    MonetaryAmountFormat formatUSD;
+    MonetaryAmountFormat customFormat;
+    String usFormatted;
+    String customFormatted;
+    
+    public JavaMoney() {
+        USD = Monetary.getCurrency("USD");
+        fstAmtUSD = Monetary.getDefaultAmountFactory().setCurrency(USD).setNumber(200.50).create();
+        fstAmtEUR = Monetary.getDefaultAmountFactory().setCurrency("EUR").setNumber(1.30473908).create();
+        oneDolar = Monetary.getDefaultAmountFactory().setCurrency("USD").setNumber(1).create();
+        moneyof = Money.of(12, USD);
+        fastmoneyof = FastMoney.of(2, USD);
+ 
+        LOGGER.info("First Amount in USD : " + fstAmtUSD);
+        LOGGER.info("First Amount in EUR : " + fstAmtEUR);
+        LOGGER.info("One Dolar : " + oneDolar);
+        LOGGER.info("MoneyOf : " + moneyof);
+        LOGGER.info("FastMoneyOf : " + fastmoneyof);
+        
+        try{
+            @SuppressWarnings("unused")
+            CurrencyUnit AAA = Monetary.getCurrency("AAA");
+        } catch (UnknownCurrencyException e) {
+            LOGGER.severe("Unknown Currency");
+        }
+
+        roundEUR = fstAmtEUR.with(Monetary.getDefaultRounding());
+
+        LOGGER.info("Rounded EUR : " + roundEUR);
+
+        calcAmtUSD = Money.of(1, "USD").subtract(fstAmtUSD);
+
+        LOGGER.info("Substracting amounts : " + calcAmtUSD);
+
+        calcMoneyFastMoney = moneyof.subtract(fastmoneyof);
+
+        LOGGER.info("Money & FastMoney operations : " + calcMoneyFastMoney);
+
+        monetaryAmounts = new MonetaryAmount[] { Money.of(100, "CHF"), Money.of(10.20, "CHF"), Money.of(1.15, "CHF"), };
+        sumAmtCHF = Money.of(0, "CHF");
+        for (MonetaryAmount monetaryAmount : monetaryAmounts) {
+            sumAmtCHF = sumAmtCHF.add(monetaryAmount);
+        }
+
+        LOGGER.info("Adding amounts : " + sumAmtCHF);
+
+        multiplyAmount = oneDolar.multiply(0.25);
+        LOGGER.info("Multiply Amount : " + multiplyAmount);
+
+        divideAmount = oneDolar.divide(0.25);
+        LOGGER.info("Divide Amount : " + divideAmount);
+
+        try{
+            oneDivThree = oneDolar.divide(3);
+        }catch (ArithmeticException e) {
+            LOGGER.severe("One divide by Three is an infinite number");
+        }
+        
+        convEUR = MonetaryConversions.getConversion(ConversionQueryBuilder.of().setTermCurrency("EUR").build());
+        convUSD = MonetaryConversions.getConversion(ConversionQueryBuilder.of().setTermCurrency(USD).build());
+
+        conversionUSD = MonetaryConversions.getConversion("USD");
+        conversionEUR = MonetaryConversions.getConversion("EUR");
+
+        convertedAmountEURtoUSD = fstAmtEUR.with(conversionUSD);
+        convertedAmountEURtoUSD2 = fstAmtEUR.with(convUSD);
+        convertedAmountUSDtoEUR = oneDolar.with(conversionEUR);
+        convertedAmountUSDtoEUR2 = oneDolar.with(convEUR);
+        LOGGER.info("C1 - " + convertedAmountEURtoUSD);
+        LOGGER.info("C2 - " + convertedAmountEURtoUSD2);
+        LOGGER.info("One Euro -> " + convertedAmountUSDtoEUR);
+        LOGGER.info("One Euro2 -> " + convertedAmountUSDtoEUR2);
+
+        oneEuro = Money.of(1, "EUR");
+
+        if (oneEuro.equals(FastMoney.of(1, "EUR"))) {
+            LOGGER.info("Money == FastMoney");
+        } else {
+            LOGGER.info("Money != FastMoney");
+        }
+
+        if (oneDolar.equals(Money.of(1, "USD"))) {
+            LOGGER.info("Factory == Money");
+        } else {
+            LOGGER.info("Factory != Money");
+        }
+
+        formatUSD = MonetaryFormats.getAmountFormat(Locale.US);
+        usFormatted = formatUSD.format(oneDolar);
+        LOGGER.info("One dolar standard formatted : " + usFormatted);
+
+        customFormat = MonetaryFormats.getAmountFormat(AmountFormatQueryBuilder.of(Locale.US).set(CurrencyStyle.NAME).set("pattern", "00000.00 <20>").build());
+        customFormatted = customFormat.format(oneDolar);
+        LOGGER.info("One dolar custom formatted : " + customFormatted);
+    }
+    
+    public static void main(String[] args) {
+        @SuppressWarnings("unused")
+        JavaMoney java9Money = new JavaMoney();
+    }
+    
+}