#39 Added basic implementation

src/main/java/de/rwu/easydrop/util/FormattingUtil.java

@@ -1,5 +1,39 @@
 package de.rwu.easydrop.util;
 
-public class FormattingUtil {
+import java.text.NumberFormat;
+import java.util.Currency;
+import java.util.Locale;
 
+/**
+ * Helps format a bunch of things.
+ *
+ * @since 0.1.0
+ */
+public final class FormattingUtil {
+
+    /**
+     * Private constructor to prevent unwanted instantiation.
+     *
+     * @throws UnsupportedOperationException always
+     */
+    private FormattingUtil() throws UnsupportedOperationException {
+        throw new UnsupportedOperationException("This is a utility class, don't instantiate it.");
+    }
+
+    /**
+     * Formats a price to the German Euro format.
+     *
+     * @param amount price
+     * @return formatted price
+     */
+    public static String formatEuro(final double amount) {
+        // Set up environment
+        Locale locale = Locale.GERMANY;
+        Currency currency = Currency.getInstance("EUR");
+        NumberFormat numberFormat = NumberFormat.getCurrencyInstance(locale);
+
+        numberFormat.setCurrency(currency);
+
+        return numberFormat.format(amount);
+    }
 }