JWTAuthorizationFilter.java

// ...

public class JWTAuthorizationFilter extends BasicAuthenticationFilter{
	
	// ...
	
	private CustomAuthenticationToken getAuthentication(HttpServletRequest request) {
		String token = request.getHeader(HEADER_STRING);
		if(token != null) {
			// get claims from JWT
			Jws<Claims> claims = Jwts.parser()
					.setSigningKey(SECRET.getBytes())
					.parseClaimsJws(token.replace(TOKEN_PREFIX, ""));
			
			String user = claims.getBody().getSubject();
			String db = (String) claims.getBody().get("db");
			
			System.out.println("=======> Printing the User in the GetAuthentication: " + user);
			System.out.println("=======> Printing the Db in the GetAuthentication: " + db);
      
			// ...
      
	}
}