@Override
    public Object parse(SourceData sourceData, int rowIndex, Context context) {
        Object msgObj = msgParser.parse(sourceData, rowIndex, context);
        if (msgObj == null) {
            return null;
        }
        String msg = msgObj.toString();
        return DigestUtils.md5Hex(msg.getBytes(StandardCharsets.UTF_8));
    }
Md5Function  ->  MD5(string)
description:
- Return NULL if the string is NULL
- Return the MD5 hash value of a string in the form of a 32-bit hexadecimal digit string
inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/encryption/Md5Function.java