java - How can I detect if all JSON fields are being parsed? -


i using gson annotations parse json fields restful service dto. wanted write test detect if there fields in jsonobject not yet being parsed java dto object has annotations. if on server add ten fields have no way of knowing this? there way test dynamically if fields being parsed java object?

to put way, names of dto fields (including annotation info), , compare fields on json object. trying compare dto jsonobject see if have covered everything.

gson doesn't have this. "extra" fields in java or json silently ignored. fields present in java not in json set null

the way via reflection, either during gson's deserialization custom deserializer or parsing json jsonobject using gson's jsonparser class , doing test.

you'd need field names jsonobject via entryset(), field names java class using class.getdeclaredfields() , compare 2 sets find ones not present in both.


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