Map support in POJO member

[shaon002]

My initial purpose was to serialize the following POJO class

public class Application {
String name;
String description;
// failed to serialize this member
HashMap <String, String> customAttr;
....
}

I came to know this is not supported at this moment, any ETA when it will be.

[cowtowncoder]

We are open for contributions; no one is actively working on implementing this, as far as I know.

The immediate problem is that of schema: Maps can contain any data, in any order, so question becomes how to support free-ranging data like this. It could perhaps be embedded in some form (JSON in CSV? Internal delimiters?).

[cowtowncoder]

One possible idea; perhaps @JsonUnwrapped should work with Maps too:

FasterXML/jackson-databind#171

although there are still open questions as to how column aspect would work. Perhaps such entries should be appended as last columns, similar to how Java (and C) varargs work.

[cowtowncoder]

No current work, or ideas what should be done, so will close for now. May be re-filed at new repo at:

https://github.com/FasterXML/jackson-dataformats-text