no.nav.helse.streams.JsonDeserializer.kt Maven / Gradle / Ivy

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Boilerplate for helse Kafka apps

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package no.nav.helse.streams

import org.apache.kafka.common.serialization.*
import org.json.*
import org.slf4j.*

class JsonDeserializer: Deserializer {
   private val log = LoggerFactory.getLogger("JsonDeserializer")

   override fun configure(configs: MutableMap?, isKey: Boolean) { }

   override fun deserialize(topic: String?, data: ByteArray?): JSONObject? {
      return data?.let {
         val json = String(it)
         try {
             JSONObject(json)
         } catch (ex: Exception) {
            log.warn("'$json' is not valid json")
            null
         }
      }
   }

   override fun close() { }

}