Package com.example.blogs.app.api.auth.service

Class JWTServiceImpl

java.lang.Object

com.example.blogs.app.api.auth.service.JWTServiceImpl

All Implemented Interfaces:

JWTService

@Service
public class JWTServiceImpl
extends Object
implements JWTService

Delegates to JWTHelper with application-configured expiration durations for access and refresh tokens.

Constructor Summary

Constructors

Constructor	Description
JWTServiceImpl(JWTHelper jwtHelper, Duration accessTokenExpiration, Duration refreshTokenExpiration)	Constructs a JWTServiceImpl with configured dependencies and token expiration durations.

Method Summary

Modifier and Type	Method	Description
String	generateAccessToken(String subject)	Generates an access token with short-lived expiration.
String	generateAccessToken(String subject, Map<String,Object> claims)	Generates an access token with short-lived expiration.
String	generateRefreshToken(String subject)	Generates a refresh token with extended expiration.
String	generateRefreshToken(String subject, Map<String,Object> claims)	Generates a refresh token with extended expiration.
Map<String,Object>	parseClaims(String token)	Parses and extracts claims from a JWT token.

Methods inherited from class java.lang.Object

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

Constructor Details

JWTServiceImpl

public JWTServiceImpl(JWTHelper jwtHelper,
 @Value("${jwt.access-token-expiration}")
 Duration accessTokenExpiration,
 @Value("${jwt.refresh-token-expiration}")
 Duration refreshTokenExpiration)

Constructs a JWTServiceImpl with configured dependencies and token expiration durations.

Parameters:

jwtHelper - helper for generating JWT tokens

accessTokenExpiration - duration for access token validity

refreshTokenExpiration - duration for refresh token validity

Method Details

generateAccessToken

public String generateAccessToken(String subject,
 Map<String,Object> claims)

Generates an access token with short-lived expiration.

Specified by:

generateAccessToken in interface JWTService

Parameters:

subject - the subject of the token

claims - additional claims to include in the token

Returns:

signed JWT access token

generateRefreshToken

public String generateRefreshToken(String subject)

Generates a refresh token with extended expiration.

Specified by:

generateRefreshToken in interface JWTService

Parameters:

subject - the subject of the token

Returns:

signed JWT refresh token

generateRefreshToken

public String generateRefreshToken(String subject,
 Map<String,Object> claims)

Generates a refresh token with extended expiration.

Specified by:

generateRefreshToken in interface JWTService

Parameters:

subject - the subject of the token

claims - additional claims to include in the token

Returns:

signed JWT access token

generateAccessToken

public String generateAccessToken(String subject)

Generates an access token with short-lived expiration.

Specified by:

generateAccessToken in interface JWTService

Parameters:

subject - the subject of the token

Returns:

signed JWT access token

parseClaims

public Map<String,Object> parseClaims(String token)

Parses and extracts claims from a JWT token.

Specified by:

parseClaims in interface JWTService

Parameters:

token - the JWT token to parse

Returns:

map of claims from the token payload

Throws:

UnauthorizedException - if token is malformed or signature is invalid