java - Add a property to a json string with jackson json -

i storing json string text field in mysql. after insertion, want update json string , add mysql line id jackson json.

i have java string in json format

{   "thing":"val" }

i'm looking add k/v without writing lines of codes.

to have :

{   "thing":"val"   "mysqlid":10 }

i can convert string jsonnode :

objectmapper mapper = new objectmapper(); jsonnode json = mapper.readtree( jsonstr);

looking this

json.put("mysqlid",10); json.tostring();

then update in text field new json string in mysql

i can't make it. don't want use many class there simple way jackson?

try casting jsonnode objectnode , calling put on it.

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