return values[0];
            }
            throw new InvalidAccessTokenException("invalid_request", "Invalid format: " + token);
        }
        final String name = ComponentUtil.getFessConfig().getApiAccessTokenRequestParameter();
        if (StringUtil.isNotBlank(name)) {
            return request.getParameter(name);
        }
        return null;
    }

    public void setRandom(final Random random) {