স্প্রিং সিকিউরিটিঃ UserDetailsService দিয়ে ইউজার অথেনটিকেশন

@Entity
public class User implements UserDetails {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private String name;
    @NotNull
    @Column(unique = true)
    private String email;
    private String password;
    private String token;
    @Embedded
    private Address address;
    private String phoneNumber;
    private boolean enabled = true;
    private boolean accountNonExpired = true;
    private boolean accountNonLocked;
    private boolean credentialsNonExpired = true;
    @ElementCollection(fetch = FetchType.EAGER)
    private Collection<String> roles;


    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        List<GrantedAuthority> authorityList = new ArrayList<>();
        this.roles.forEach(r -> {
            authorityList.add(new SimpleGrantedAuthority(r));
        });
        return authorityList;
    }

    @Override
    public String getPassword() {
        return this.password;
    }

    @Override
    public String getUsername() {
        return this.email;
    }

    @Override
    public boolean isAccountNonExpired() {
        return this.accountNonExpired;
    }

    @Override
    public boolean isAccountNonLocked() {
        return this.accountNonLocked;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return this.credentialsNonExpired;
    }

    @Override
    public boolean isEnabled() {
        return this.enabled;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getEmail() {
        return this.email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getToken() {
        return token;
    }

    public void setToken(String token) {
        this.token = token;
    }

    public Address getAddress() {
        return address;
    }

    public void setAddress(Address address) {
        this.address = address;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }

    public void setAccountNonExpired(boolean accountNonExpired) {
        this.accountNonExpired = accountNonExpired;
    }

    public void setAccountNonLocked(boolean accountNonLocked) {
        this.accountNonLocked = accountNonLocked;
    }

    public void setCredentialsNonExpired(boolean credentialsNonExpired) {
        this.credentialsNonExpired = credentialsNonExpired;
    }

    public Collection getRoles() {
        return this.roles;
    }

    public void setRoles(Collection<String> roles) {
        this.roles = roles;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}