byte[] bytes = is.readAllBytes();
                String content = new String(bytes);
                for (Map.Entry<String, String> rule : transformationRules.entrySet()) {
                    content = content.replaceAll(rule.getKey(), rule.getValue());
                }
                resultData.setData(content.getBytes());
            } catch (Exception e) {
                throw new RuntimeException(e);
            }