/**
* returns the currently logged in user.
*
* @param request the request
* @return the currently logged user or null (should not happen)
*/
public final User getCurrentUser(final HttpServletRequest request) {
Principal principal = request.getUserPrincipal();
if (principal != null) {
String name = principal.getName();
return userService.findByUsername(name);
}
return null;
}
/**
* checks if a user with the given {@code username} already exists.
*
* @param username the username
* @return trivial
*/
public final boolean userExists(final String username) {
User user = userService.findByUsername(username);
return user != null;
}
