public Map<EmailTemplateLocaleUsers, RenderedTemplate> getRenderedTemplates( String key, List<String> userReferences, Map<String, String> replacementValues) { List<Locale> foundLocales = new ArrayList<Locale>(); Map<Locale, EmailTemplateLocaleUsers> mapStore = new HashMap<Locale, EmailTemplateLocaleUsers>(); for (int i = 0; i < userReferences.size(); i++) { String userReference = userReferences.get(i); String userId = developerHelperService.getUserIdFromRef(userReference); Locale loc = getUserLocale(userId); // have we found this locale? if (!foundLocales.contains(loc)) { // create a new EmailTemplateLocalUser EmailTemplateLocaleUsers etlu = new EmailTemplateLocaleUsers(); log.debug("adding users " + userReference + " to new object"); etlu.setLocale(loc); etlu.addUser(userReference); mapStore.put(loc, etlu); foundLocales.add(loc); } else { EmailTemplateLocaleUsers etlu = mapStore.get(loc); log.debug("adding users " + userReference + " to existing object"); etlu.addUser(userReference); mapStore.remove(loc); mapStore.put(loc, etlu); } } Map<EmailTemplateLocaleUsers, RenderedTemplate> ret = new HashMap<EmailTemplateLocaleUsers, RenderedTemplate>(); // now for each locale we need a rendered template Set<Entry<Locale, EmailTemplateLocaleUsers>> es = mapStore.entrySet(); Iterator<Entry<Locale, EmailTemplateLocaleUsers>> it = es.iterator(); while (it.hasNext()) { Entry<Locale, EmailTemplateLocaleUsers> entry = it.next(); Locale loc = entry.getKey(); RenderedTemplate rt = this.getRenderedTemplate(key, loc, replacementValues); if (rt != null) { ret.put(entry.getValue(), rt); } else { log.error("No template found for key: " + key + " in locale: " + loc); } } return ret; }