package cleanup in registation

spring-security-login-and-registration/src/main/java/org/baeldung/validation/ValidEmail.java

@@ -0,0 +1,24 @@
+package org.baeldung.validation;
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@Target({ TYPE, FIELD, ANNOTATION_TYPE })
+@Retention(RUNTIME)
+@Constraint(validatedBy = EmailValidator.class)
+@Documented
+public @interface ValidEmail {
+
+    String message() default "Invalid Email";
+
+    Class<?>[] groups() default {};
+
+    Class<? extends Payload>[] payload() default {};
+}