Example usage for org.springframework.security.core.userdetails User User

Introduction

In this page you can find the example usage for org.springframework.security.core.userdetails User User.

Prototype

User

Source Link

Usage

From source file:com.mycompany.springrest.token.JwtUtil.java

/**
 * Tries to parse specified String as a JWT token. If successful, returns User object with username, id and role prefilled (extracted from token).
 * If unsuccessful (token is invalid or not containing all required user properties), simply returns null.
 * /*from   w  w  w. j ava 2s.c o m*/
 * @param token the JWT token to parse
 * @return the User object extracted from specified token or null if a token is invalid.
 */
public User parseToken(String token) {
    try {
        Claims body = Jwts.parser().setSigningKey(secret).parseClaimsJws(token).getBody();

        User u = new User();
        u.setUsername(body.getSubject());
        u.setId(Long.parseLong((String) body.get("userId")));
        u.setRole((String) body.get("role"));

        return u;

    } catch (JwtException | ClassCastException e) {
        return null;
    }
}

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