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Common general-purpose Kotlin utility

There is a newer version: 3.5.0

package tech.harmonysoft.oss.jackson

import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.databind.DeserializationContext
import com.fasterxml.jackson.databind.SerializerProvider
import com.fasterxml.jackson.databind.deser.std.StdDeserializer
import com.fasterxml.jackson.databind.module.SimpleModule
import com.fasterxml.jackson.databind.ser.std.StdSerializer
import kotlin.reflect.KClass

object KClassModule : SimpleModule() {

    init {
        addSerializer(KClass::class.java, KClassSerializer())
        addDeserializer(KClass::class.java, KClassDeserializer())
    }

    class KClassSerializer : StdSerializer>(KClass::class.java) {
        override fun serialize(value: KClass<*>, gen: JsonGenerator, provider: SerializerProvider?) {
            gen.writeString(value.qualifiedName)
        }
    }

    class KClassDeserializer : StdDeserializer>(KClass::class.java) {
        override fun deserialize(p: JsonParser, ctxt: DeserializationContext?): KClass<*> {
            val qualifiedName = p.text
            return Class.forName(qualifiedName).kotlin
        }
    }
}