public Authentication getAuthentication()

in src/main/java/com/aws/pattern/myapp/security/jwt/TokenProvider.java [77:89]

• 10 lines of code
• 1 McCabe index (conditional complexity)

    public Authentication getAuthentication(String token) {
        Claims claims = jwtParser.parseClaimsJws(token).getBody();

        Collection<? extends GrantedAuthority> authorities = Arrays
            .stream(claims.get(AUTHORITIES_KEY).toString().split(","))
            .filter(auth -> !auth.trim().isEmpty())
            .map(SimpleGrantedAuthority::new)
            .collect(Collectors.toList());

        User principal = new User(claims.getSubject(), "", authorities);

        return new UsernamePasswordAuthenticationToken(principal, token, authorities);
    }