--- /dev/null
+package org.onap.portal.aop.service;
+
+import java.security.Principal;
+import java.util.stream.Collectors;
+import javax.validation.ConstraintViolation;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.onap.portal.domain.db.fn.FnUser;
+import org.onap.portal.validation.DataValidator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Aspect
+@Component
+public class FnUserServiceAOP {
+ private static final Logger LOGGER = LoggerFactory.getLogger(FnLanguageServiceAOP.class);
+
+ @Autowired
+ private DataValidator dataValidator;
+
+ @Before("execution(* org.onap.portal.service.fn.FnUserService.saveFnUser(..)) && args(principal, fnUser)")
+ public void save(final Principal principal, final FnUser fnUser) {
+ if (fnUser == null) {
+ LOGGER.error("User " + principal.getName() + " try to save NULL fnUser");
+ throw new NullPointerException("FnUser cannot be null or empty");
+ }
+ if (!dataValidator.isValid(fnUser)) {
+ String violations = dataValidator.getConstraintViolations(fnUser).stream()
+ .map(ConstraintViolation::getMessage)
+ .collect(Collectors.joining(", "));
+ LOGGER.error("User " + principal.getName() + " try to save not valid fnUser: " + violations);
+ throw new IllegalArgumentException("FnUser is not valid, " + violations);
+ }
+ }
+}