private String getCustomCacheKey() {

        if (jwtPrincipal != null) {
            Object cck = jwtPrincipal.getClaim(CCK_CLAIM);
            if (cck != null) {
                return (String) cck;
            }
        }
        return null;
    }
private String getCustomCacheKey ( ) { if ( jwtPrincipal != null ) { Object cck = jwtPrincipal . getClaim ( CCK_CLAIM ) ; if ( cck != null ) { return ( String ) cck ; } } return null ; }
@param jwtPrincipal