private Collection<Group> getGroupDetails(User currentUser, Collection<String> groupIds) { String domain = DomainUtil.getDomainFromLogin(currentUser.getLogin()); Collection<Group> groups = new TreeSet<Group>(); for (String groupId : groupIds) { Group group = groupRepository.getGroupById(domain, groupId); Group groupDetails = groupDetailsRepository.getGroupDetails(groupId); group.setName(groupDetails.getName()); group.setPublicGroup(groupDetails.isPublicGroup()); group.setDescription(groupDetails.getDescription()); long counter = groupCounterRepository.getGroupCounter(domain, groupId); group.setCounter(counter); groups.add(group); } return groups; }