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UserDetailsService.java
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/
UserDetailsService.java
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package com.demo.imagebrowser.service.impl;
import com.demo.imagebrowser.domain.User;
import com.demo.imagebrowser.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
@Component
public class UserDetailsService implements org.springframework.security.core.userdetails.UserDetailsService {
@Autowired
private UserRepository userRepository;
@Override
public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
User user = userRepository.findByUsername(s);
if (user == null) {
throw new UsernameNotFoundException(String.format("User with name %s does not exists", s));
}
List<GrantedAuthority> grantedAuthorities = new ArrayList<>();
user.getRoles().forEach(r -> grantedAuthorities.add(new SimpleGrantedAuthority(r.getRoleName())));
UserDetails details = new org.springframework.security.core.userdetails.User(user.getUsername(), user.getPassword(), grantedAuthorities);
return details;
}
}