io.quarkus.resteasy.reactive.kotlin.serialization.runtime.KotlinSerializationMessageBodyReader.kt Maven / Gradle / Ivy

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Kotlin Serialization support for RESTEasy Reactive. This extension is not compatible with the quarkus-resteasy extension, or any of the extensions that depend on it.

There is a newer version: 3.15.2

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package io.quarkus.resteasy.reactive.kotlin.serialization.runtime

import jakarta.ws.rs.core.MediaType
import jakarta.ws.rs.core.MultivaluedMap
import java.io.InputStream
import java.lang.reflect.Type
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.decodeFromStream
import kotlinx.serialization.serializer
import org.jboss.resteasy.reactive.common.providers.serialisers.AbstractJsonMessageBodyReader
import org.jboss.resteasy.reactive.common.util.StreamUtil
import org.jboss.resteasy.reactive.server.spi.ResteasyReactiveResourceInfo
import org.jboss.resteasy.reactive.server.spi.ServerMessageBodyReader
import org.jboss.resteasy.reactive.server.spi.ServerRequestContext

class KotlinSerializationMessageBodyReader(private val json: Json) :
    AbstractJsonMessageBodyReader(), ServerMessageBodyReader {
    override fun isReadable(
        type: Class<*>,
        genericType: Type,
        annotations: Array?,
        mediaType: MediaType
    ) = isReadable(mediaType, type)

    override fun isReadable(
        type: Class<*>,
        genericType: Type,
        lazyMethod: ResteasyReactiveResourceInfo,
        mediaType: MediaType
    ) = isReadable(mediaType, type)

    override fun readFrom(
        type: Class,
        genericType: Type,
        annotations: Array,
        mediaType: MediaType,
        httpHeaders: MultivaluedMap,
        entityStream: InputStream
    ): Any? {
        return doReadFrom(type, entityStream)
    }

    override fun readFrom(
        type: Class,
        genericType: Type,
        mediaType: MediaType,
        context: ServerRequestContext
    ): Any? {
        return doReadFrom(type, context.inputStream)
    }

    @ExperimentalSerializationApi
    private fun doReadFrom(type: Class, entityStream: InputStream): Any? {
        return if (StreamUtil.isEmpty(entityStream)) null
        else {
            json.decodeFromStream(serializer(type), entityStream)
        }
    }
}