vttranlina commented on a change in pull request #681:
URL: https://github.com/apache/james-project/pull/681#discussion_r723947745
##########
File path:
server/data/data-library/src/main/java/org/apache/james/rrt/lib/AbstractRecipientRewriteTable.java
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@@ -309,6 +332,22 @@ public void addGroupMapping(MappingSource source, String
address) throws Recipie
addMapping(source, mapping);
}
+ private void ensureGroupNotShadowingAnotherAddress(MailAddress
groupAddress) throws Exception {
+ ensureNoConflict(GROUP, groupAddress);
+ }
+
+ private void ensureAliasNotShadowingAnotherAddress(MailAddress
groupAddress) throws Exception {
+ ensureNoConflict(ALIAS, groupAddress);
+ }
+
+ private void ensureNoConflict(UserEntityValidator.EntityType entity,
MailAddress groupAddress) throws Exception {
+ Username username = usersRepository.getUsername(groupAddress);
+ Optional<UserEntityValidator.ValidationFailure> validationFailure =
userEntityValidator.canCreate(username, ImmutableSet.of(entity));
Review comment:
you can use `.ifPresent`, it will less boilerplate
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