What do you do if you need to add configuration possibilities to your program? In most cases, you will probably create a DB table for those settings and a maintenance view for it. Maintenance views is a quite powerful and relatively simple tool. Yet they are not without downsides and complexity when your configuration has a hierarchical structure or/and when the structure is not yet final and changes frequently e.g. when you're developing a new product. How to achieve the flexibility you need in such a case?

Once I read a comment by Paul Hardy (if I remember well) to a blog post that "Every week someone publishes a post about own excel or json parser". I don't remember the exact wording, but think the essence is clear. So I proudly present one more proof to that statement 🙂

Why re-invent an abap json parser? There are plenty of other parsers already, but I didn't find exactly what I wanted. Let's list some of widely known approaches.