Package com.fiap.tech_challenge.parte1.ms_users.services

Class AuthenticationService

java.lang.Object

com.fiap.tech_challenge.parte1.ms_users.services.AuthenticationService

All Implemented Interfaces:

org.springframework.security.core.userdetails.UserDetailsService

@Service
public class AuthenticationService
extends Object
implements org.springframework.security.core.userdetails.UserDetailsService

Service that implements Spring Security's UserDetailsService to load user-specific data. Used during authentication to retrieve user details from the repository by username (login).

Constructor Summary

Constructors

Constructor	Description
AuthenticationService(UserRepository userRepository)	Constructs an AuthenticationService with the given UserRepository.

Method Summary

Modifier and Type	Method	Description
org.springframework.security.core.userdetails.UserDetails	loadUserByUsername(String username)	Locates the user based on the provided username (login).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AuthenticationService

public AuthenticationService(UserRepository userRepository)

Constructs an AuthenticationService with the given UserRepository.

Parameters:

userRepository - the user repository used to load user data

Method Details

loadUserByUsername

public org.springframework.security.core.userdetails.UserDetails loadUserByUsername(String username)
                                                                             throws org.springframework.security.core.userdetails.UsernameNotFoundException

Locates the user based on the provided username (login). This method is used by Spring Security during the authentication process.

Specified by:

loadUserByUsername in interface org.springframework.security.core.userdetails.UserDetailsService

Parameters:

username - the username (login) identifying the user whose data is required.

Returns:

a fully populated UserDetails object (used by Spring Security)

Throws:

org.springframework.security.core.userdetails.UsernameNotFoundException - if the user could not be found