45 lines
1.7 KiB
Kotlin
45 lines
1.7 KiB
Kotlin
package dev.inmo.micro_utils.serialization.mapper
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import kotlinx.serialization.DeserializationStrategy
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import kotlinx.serialization.KSerializer
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import kotlinx.serialization.SerializationStrategy
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import kotlinx.serialization.descriptors.SerialDescriptor
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import kotlinx.serialization.encoding.Decoder
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import kotlinx.serialization.encoding.Encoder
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/**
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* Use this serializer when you have serializable type [I] and want to map it to some [O] in process of
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* serialization/deserialization
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*
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* @param base Serializer for [I]
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* @param serialize Will be used in [serialize] method to convert incoming [O] to [I] and serialize with [base]
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* @param deserialize Will be used in [deserialize] method to convert deserialized by [base] [I] to [O]
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*/
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open class MapperSerializer<I, O>(
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private val base: KSerializer<I>,
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private val serialize: (Encoder, O) -> I,
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private val deserialize: (Decoder, I) -> O
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) : KSerializer<O>,
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DeserializationStrategy<O> by MapperDeserializationStrategy<I, O>(base, deserialize),
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SerializationStrategy<O> by MapperSerializationStrategy<I, O>(base, serialize) {
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override val descriptor: SerialDescriptor = base.descriptor
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constructor(
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base: KSerializer<I>,
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serialize: (O) -> I,
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deserialize: (I) -> O
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) : this(base, { _, o -> serialize(o) }, { _, i -> deserialize(i) })
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constructor(
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base: KSerializer<I>,
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serialize: (Encoder, O) -> I,
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deserialize: (I) -> O
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) : this(base, serialize, { _, i -> deserialize(i) })
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constructor(
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base: KSerializer<I>,
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serialize: (O) -> I,
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deserialize: (Decoder, I) -> O
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) : this(base, { _, o -> serialize(o) }, deserialize)
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}
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