@@ -0,0 +1,210 @@
+package org.jeecqrs.common.util;%0A%0A/**%0A *%0A */%0Apublic class Validate %7B%0A%0A    public static void notNull(Object o, String msg) %7B%0A        if (o == null)%0A            throw new NullPointerException(msg);%0A    %7D%0A    %0A%7D%0A

Refactor Validate to util package