xref: /aosp_15_r20/external/kotlinx.serialization/guide/example/example-serializer-16.kt (revision 57b5a4a64c534cf7f27ac9427ceab07f3d8ed3d8)
1 // This file was automatically generated from serializers.md by Knit tool. Do not edit.
2 package example.exampleSerializer16
3 
4 import kotlinx.serialization.*
5 import kotlinx.serialization.json.*
6 import kotlinx.serialization.encoding.*
7 import kotlinx.serialization.descriptors.*
8 
9 import java.util.Date
10 import java.text.SimpleDateFormat
11 
12 object DateAsLongSerializer : KSerializer<Date> {
13     override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("Date", PrimitiveKind.LONG)
serializenull14     override fun serialize(encoder: Encoder, value: Date) = encoder.encodeLong(value.time)
15     override fun deserialize(decoder: Decoder): Date = Date(decoder.decodeLong())
16 }
17 
18 @Serializable
19 class ProgrammingLanguage(
20     val name: String,
21     val releaseDates: List<@Serializable(DateAsLongSerializer::class) Date>
22 )
23 
24 fun main() {
25     val df = SimpleDateFormat("yyyy-MM-ddX")
26     val data = ProgrammingLanguage("Kotlin", listOf(df.parse("2023-07-06+00"), df.parse("2023-04-25+00"), df.parse("2022-12-28+00")))
27     println(Json.encodeToString(data))
28 }
29