public static JwtRuleHandle newInstance(final String handleJson) {
        if (Objects.isNull(handleJson)) {
            return null;
        }
        Map<String, Object> handleMap = GsonUtils.getInstance().convertToMap(handleJson);
        String handleType = null;
        if (Objects.nonNull(handleMap)) {
            handleType = handleMap.getOrDefault("handleType", "default").toString();
        }
        JwtConvertStrategy convertStrategy = JwtConvertStrategyFactory.newInstance(handleType);
        return convertStrategy.parseHandleJson(handleJson);
    }
new instance jwtRuleHandle.

@param handleJson handleJson from rule
@return jwtRuleHandle
shenyu-plugin/shenyu-plugin-security/shenyu-plugin-jwt/src/main/java/org/apache/shenyu/plugin/jwt/rule/JwtRuleHandle.java