Can someone help me with this? <https://stackoverflow.com/questions/70164434/how-to-decode-a-json-st...

# serialization

[Arpit Shukla]

Can someone help me with this?
https://stackoverflow.com/questions/70164434/how-to-decode-a-json-string-to-a-given-kclass

[knthmn]

If you fully control the code, can you change it to KType in SomeClass.version, so you can use serializer(type: KType)?

[Arpit Shukla]

Yes I fully control the code. Can you explain this a bit more? How can i create a serializer from KType? And how can I use that serializer to decode my json?

[knthmn]

getSomeObject()

fun getSomeObject(json: String, type: KType): SomeClass {
    return Json.decodeFromString(serializer(type), json) as SomeClass
}

in SomeClass

val versions = arrayOf(typeOf<ClassV1>(), typeOf<ClassV2>())

Now there is also KClass.serializer() but I am not sure if you are supposed to use it

[knthmn]

Also it might be beneficial to consider a custom serializer
https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#custom-serializers