Parse Json to Primative Array Kotlin

Question

Maybe this is simple, but I'm missing how to do this. I'm using GSON, kotlin, and retrofit

Data.json

{
  "array1":[1,2],
  "array2":[1,2]
}

DataObject.kt

data class DataObject(array1: List<Int>, array2: List<Int>)

The the above fails to deserialize the arrays.

Considering the kotlin code you've provided is not valid and wouldnt compile, I don't see how this code would even get to the deserialization step. — Kiskae
– Kiskae, Commented Apr 10, 2018 at 22:14

s1m0nw1 · Accepted Answer · 2018-04-10 22:33:41Z

0

This is a running example:

data class DataObject(val array1: List<Int>, val array2: List<Int>)

fun main(args: Array<String>) {
    val json = """{"array1":[1,2],"array2":[1,2]}"""
    println(Gson().fromJson(json, DataObject::class.java))
    //DataObject(array1=[1, 2], array2=[1, 2])
}

I've only changed the arguments of DataObject to be val, which is required for data classes (var also works).

edited Apr 10, 2018 at 22:33

answered Apr 10, 2018 at 22:19

s1m0nw1

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1 Comment

JavierSA Over a year ago

The properties of a data class may also be var.

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