/
DateSerializer.kt
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/
DateSerializer.kt
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package com.couchbase.learningpath.util
import kotlinx.serialization.*
import kotlinx.serialization.descriptors.PrimitiveKind
import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import java.util.*
// kotlin doesn't include a built in serializer for the Date object, so this one is taken from
// github: https://github.com/Kotlin/kotlinx.serialization/issues/23#issuecomment-476524441
// very simple implementation that works for this tutorial
@ExperimentalSerializationApi
@Serializer(forClass = DateSerializer::class)
object DateSerializer : KSerializer<Date> {
override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("DateSerializer", PrimitiveKind.STRING)
override fun serialize(encoder: Encoder, value: Date) {
encoder.encodeString(value.time.toString())
}
override fun deserialize(decoder: Decoder): Date {
return Date(decoder.decodeString().toLong())
}
}