UserDetailsServiceImpl.java

package me.schawe.multijsnake.usermanagement;

import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

@Service()
public class UserDetailsServiceImpl implements UserDetailsService {

    private final UserRepository userRepository;

    UserDetailsServiceImpl(UserRepository userRepository) {
        this.userRepository = userRepository;
    }

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userRepository.findOneByUsername(username).orElseThrow();
        return UserDetailsImpl.build(user);
    }
}