@RequestMapping(method=RequestMethod.GET)
public String getForm(Model model, Locale locale,
@RequestHeader(required=false, value="referer") String referer,
HttpSession session) {
try {
UserForm form = new UserForm();
form.setUser(this.serviceLocator.getUserService().createUser());
model.addAttribute("form", form);
model.addAttribute("mediations",
this.serviceLocator.getMediatorService().getAllMediationService(locale));
session.setAttribute(this.REFERER_PARAM, referer);
} catch(Exception e) {