HttpEntity entity = HttpUtils.get(uri, JSON);
ObjectMapper mapper = new ObjectMapper();
Set<String> sites = mapper.readValue(entity.getContent(), new TypeReference<Set<String>>(){});
Set<ReconciliationStanbolSite> reconciliations = new HashSet<ReconciliationStanbolSite>();
for (String site : sites) {
ReconciliationStanbolSite reconciliation = this.buildReconciliation(site);
if (reconciliation != null) {
reconciliations.add(reconciliation);
} else {
log.error("'" + site + "' can't be correctly retrieved, so not going to be registered");
}