xref: /aosp_15_r20/external/kotlinx.serialization/guide/example/example-serializer-16.kt (revision 57b5a4a64c534cf7f27ac9427ceab07f3d8ed3d8)
1*57b5a4a6SAndroid Build Coastguard Worker // This file was automatically generated from serializers.md by Knit tool. Do not edit.
2*57b5a4a6SAndroid Build Coastguard Worker package example.exampleSerializer16
3*57b5a4a6SAndroid Build Coastguard Worker 
4*57b5a4a6SAndroid Build Coastguard Worker import kotlinx.serialization.*
5*57b5a4a6SAndroid Build Coastguard Worker import kotlinx.serialization.json.*
6*57b5a4a6SAndroid Build Coastguard Worker import kotlinx.serialization.encoding.*
7*57b5a4a6SAndroid Build Coastguard Worker import kotlinx.serialization.descriptors.*
8*57b5a4a6SAndroid Build Coastguard Worker 
9*57b5a4a6SAndroid Build Coastguard Worker import java.util.Date
10*57b5a4a6SAndroid Build Coastguard Worker import java.text.SimpleDateFormat
11*57b5a4a6SAndroid Build Coastguard Worker 
12*57b5a4a6SAndroid Build Coastguard Worker object DateAsLongSerializer : KSerializer<Date> {
13*57b5a4a6SAndroid Build Coastguard Worker     override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("Date", PrimitiveKind.LONG)
serializenull14*57b5a4a6SAndroid Build Coastguard Worker     override fun serialize(encoder: Encoder, value: Date) = encoder.encodeLong(value.time)
15*57b5a4a6SAndroid Build Coastguard Worker     override fun deserialize(decoder: Decoder): Date = Date(decoder.decodeLong())
16*57b5a4a6SAndroid Build Coastguard Worker }
17*57b5a4a6SAndroid Build Coastguard Worker 
18*57b5a4a6SAndroid Build Coastguard Worker @Serializable
19*57b5a4a6SAndroid Build Coastguard Worker class ProgrammingLanguage(
20*57b5a4a6SAndroid Build Coastguard Worker     val name: String,
21*57b5a4a6SAndroid Build Coastguard Worker     val releaseDates: List<@Serializable(DateAsLongSerializer::class) Date>
22*57b5a4a6SAndroid Build Coastguard Worker )
23*57b5a4a6SAndroid Build Coastguard Worker 
24*57b5a4a6SAndroid Build Coastguard Worker fun main() {
25*57b5a4a6SAndroid Build Coastguard Worker     val df = SimpleDateFormat("yyyy-MM-ddX")
26*57b5a4a6SAndroid Build Coastguard Worker     val data = ProgrammingLanguage("Kotlin", listOf(df.parse("2023-07-06+00"), df.parse("2023-04-25+00"), df.parse("2022-12-28+00")))
27*57b5a4a6SAndroid Build Coastguard Worker     println(Json.encodeToString(data))
28*57b5a4a6SAndroid Build Coastguard Worker }
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