how to set username, roles, admin in jwt claims example coding in java
public String createToken(String username, List<Role> roles) {
Claims claims = Jwts.claims().setSubject(username);
claims.put("auth", roles.stream().map(s -> new SimpleGrantedAuthority(s.getAuthority())).filter(Objects::nonNull).collect(Collectors.toList()));
Date now = new Date();
Date validity = new Date(now.getTime() + validityInMilliseconds);
return Jwts.builder()//
.setClaims(claims)//
.setIssuedAt(now)//
.setExpiration(validity)//
.signWith(SignatureAlgorithm.HS256, secretKey)//
.compact();
}