private AccountGroup createGroup()

in src/main/java/com/googlesource/gerrit/plugins/importer/ImportGroup.java [206:255]
43 lines of code
7 McCabe index (conditional complexity)

  private AccountGroup createGroup(Input input, GroupInfo info)
      throws OrmException, NoSuchAccountException, IOException, RestApiException,
          ConfigInvalidException {
    String uniqueName = getUniqueGroupName(info.name);
    if (!info.name.equals(uniqueName)) {
      log.warn(
          String.format(
              "Group %s with UUID %s is imported with name %s", info.name, info.id, uniqueName));
      info.name = uniqueName;
    }
    AccountGroup group = createAccountGroup(info);
    AccountGroupName gn = new AccountGroupName(group);

    // first insert the group name to validate that the group name hasn't
    // already been used to create another group
    try {
      db.accountGroupNames().insert(Collections.singleton(gn));
    } catch (OrmDuplicateKeyException e) {
      throw new ResourceConflictException(info.name);
    }
    db.accountGroups().insert(Collections.singleton(group));
    groupCache.evict(group.getGroupUUID(), group.getId(), group.getNameKey());

    if (!info.id.equals(info.ownerId)) {
      if (getGroupByUUID(info.ownerId) == null) {
        if (isInternalGroup(new AccountGroup.UUID(info.ownerId))) {
          String ownerGroupName = getGroupName(info.ownerId);
          if (input.importOwnerGroup) {
            importGroupFactory
                .create(new AccountGroup.NameKey(ownerGroupName))
                .apply(new ConfigResource(), input);
          } else {
            throw new IllegalStateException(
                String.format(
                    "Cannot set non-existing group %s as owner of group %s.",
                    ownerGroupName, info.name));
          }
        }
      }
      group.setOwnerGroupUUID(new AccountGroup.UUID(info.ownerId));
      db.accountGroups().upsert(Collections.singleton(group));
    }

    addMembers(group.getId(), info.members);
    addGroups(input, group.getId(), info.name, info.includes);

    groupCache.evict(group.getGroupUUID(), group.getId(), group.getNameKey());

    return group;
  }