za.co.absa.atum.model.utils.JsonSyntaxExtensions.scala Maven / Gradle / Ivy

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Data completeness and accuracy application meant to be used for data processed by Apache Spark

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/*
 * Copyright 2021 ABSA Group Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package za.co.absa.atum.model.utils

import io.circe.parser.decode
import io.circe.syntax._
import io.circe.{Decoder, Encoder, parser}

import java.util.Base64

object JsonSyntaxExtensions {

  implicit class JsonSerializationSyntax[T: Encoder](obj: T) {
    def asJsonString: String = obj.asJson.noSpaces

    def asBase64EncodedJsonString: String = {
      Base64.getUrlEncoder.encodeToString(
        obj.asJson.noSpaces.getBytes("UTF-8")
      )
    }
  }

  implicit class JsonDeserializationSyntax(jsonStr: String) {
    def as[T: Decoder]: T = {
      decode[T](jsonStr) match {
        case Right(value) => value
        case Left(error) => throw new RuntimeException(s"Failed to decode JSON: $error")
      }
    }

    def fromBase64As[T: Decoder]: Either[io.circe.Error, T] = {
      val decodedBytes = Base64.getDecoder.decode(jsonStr)
      val decodedString = new String(decodedBytes, "UTF-8")
      parser.decode[T](decodedString)
    }
  }

}