Added abstraction layer to DataSources

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

@@ -27,4 +27,14 @@ public final class FormattingUtil {
     public static String formatEuro(final double amount) {
         return String.format(Locale.GERMAN, "%,.2f", amount) + " €";
     }
+
+    /**
+     * Makes a string URL ready. For now, only spaces are replaced.
+     *
+     * @param str
+     * @return URL-ready string
+     */
+    public static String urlEncode(final String str) {
+        return str.replace(" ", "+");
+    }
 }