com.github.thake.kafka.avro4k.serializer.KafkaAvro4kDeserializer.kt Maven / Gradle / Ivy

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Provides Kafka SerDes and Serializer / Deserializer implementations for avro4k

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package com.github.thake.kafka.avro4k.serializer

import io.confluent.kafka.schemaregistry.client.SchemaRegistryClient
import org.apache.avro.Schema
import org.apache.kafka.common.serialization.Deserializer

class KafkaAvro4kDeserializer(
    client : SchemaRegistryClient? = null,
    props : Map? = null
)  : AbstractKafkaAvro4kDeserializer(), Deserializer {
    private var isKey = false
    init {
        props?.let { configure(this.deserializerConfig(it)) }
        //Set the registry client explicitly after the configuration has been applied to override client from configuration
        if (client != null) this.schemaRegistry = client
    }

    override fun configure(configs: Map, isKey: Boolean) {
        this.isKey = isKey
        this.configure(KafkaAvro4kDeserializerConfig(configs))
    }


    override fun deserialize(s: String?, bytes: ByteArray?): Any? {
        return this.deserialize(s, bytes, null)
    }

    fun deserialize(@Suppress("UNUSED_PARAMETER") topic: String?, data: ByteArray?, readerSchema: Schema?): Any? {
        return this.deserialize(data, readerSchema)
    }

    override fun close() {}
}