SecurityServiceImpl.java
976 Bytes
package fr.plil.sio.web.mvc;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Service;
@Service
public class SecurityServiceImpl implements SecurityService{
private static final Logger logger = LoggerFactory.getLogger(SecurityServiceImpl.class);
@Override
public String findLoggedInUsername() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
if(authentication == null) {
return null;
}
Object principal = authentication.getPrincipal();
if (principal instanceof UserDetails) {
return ((UserDetails)principal).getUsername();
}
logger.warn("cannot find logged user");
return null;
}
}