jvmMain.kr.jadekim.jext.kotlinx.serialization.serializer.DateAsLongSerializer.kt Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jext-kotlinx-serialization Show documentation
Jext Libraries
There is a newer version: 2.1.4
Show newest version
package kr.jadekim.jext.kotlinx.serialization.serializer

import kotlinx.serialization.KSerializer
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 kotlinx.serialization.modules.SerializersModule
import kotlinx.serialization.modules.contextual
import java.time.*
import java.util.*

val DateAsLongSerializerModule = SerializersModule {
    contextual(DateAsLongSerializer)
    contextual(LocalDateTimeAsLongSerializer)
    contextual(OffsetDateTimeAsLongSerializer)
    contextual(ZonedDateTimeAsLongSerializer)
    contextual(DurationAsLongSerializer)
}

object DateAsLongSerializer : KSerializer {

    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("DateAsLong", PrimitiveKind.LONG)

    override fun serialize(encoder: Encoder, value: Date) = encoder.encodeLong(value.time)

    override fun deserialize(decoder: Decoder): Date = Date(decoder.decodeLong())
}

object LocalDateTimeAsLongSerializer : KSerializer {

    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("LocalDateTimeAsLong", PrimitiveKind.LONG)

    override fun serialize(encoder: Encoder, value: LocalDateTime) {
        encoder.encodeLong(value.atOffset(ZoneOffset.UTC).toInstant().toEpochMilli())
    }

    override fun deserialize(decoder: Decoder): LocalDateTime {
        val value = decoder.decodeLong()

        return LocalDateTime.ofInstant(Instant.ofEpochMilli(value), ZoneOffset.UTC)
    }
}

object OffsetDateTimeAsLongSerializer : KSerializer {

    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("OffsetDateTimeAsLong", PrimitiveKind.LONG)

    override fun serialize(encoder: Encoder, value: OffsetDateTime) {
        encoder.encodeLong(value.atZoneSameInstant(ZoneOffset.UTC).toInstant().toEpochMilli())
    }

    override fun deserialize(decoder: Decoder): OffsetDateTime {
        val value = decoder.decodeLong()

        return OffsetDateTime.ofInstant(Instant.ofEpochMilli(value), ZoneOffset.UTC)
    }
}

object ZonedDateTimeAsLongSerializer : KSerializer {

    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("ZonedDateTimeAsLong", PrimitiveKind.LONG)

    override fun serialize(encoder: Encoder, value: ZonedDateTime) {
        encoder.encodeLong(value.withZoneSameInstant(ZoneOffset.UTC).toInstant().toEpochMilli())
    }

    override fun deserialize(decoder: Decoder): ZonedDateTime {
        val value = decoder.decodeLong()

        return ZonedDateTime.ofInstant(Instant.ofEpochMilli(value), ZoneOffset.UTC)
    }
}

object DurationAsLongSerializer : KSerializer {

    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("DurationAsLong", PrimitiveKind.LONG)

    override fun serialize(encoder: Encoder, value: Duration) {
        encoder.encodeLong(value.toMillis())
    }

    override fun deserialize(decoder: Decoder): Duration {
        return Duration.ofMillis(decoder.decodeLong())
    }
}