working on mailing list options

src/main/java/de/srsoftware/widerhall/Util.java

@@ -114,4 +114,8 @@ public class Util {
         if (listEmail == null || listEmail.isBlank()) return null;
         return MailingList.load(listEmail);
     }
+
+    public static boolean getCheckbox(HttpServletRequest req, String key) {
+        return "on".equals(req.getParameter(key));
+    }
 }