backbone.gson.GsonJsonReader.scala Maven / Gradle / Ivy
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/*
* Copyright (c) 2021 Backbone contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package backbone.gson
import backbone.consumer.JsonReader
import com.google.gson.JsonParser
import org.slf4j.LoggerFactory
import scala.util.Try
/**
* JsonReader using gson
*/
class GsonJsonReader extends JsonReader {
private[this] val logger = LoggerFactory.getLogger(getClass)
override def readSnsEnvelope(s: String): Option[JsonReader.SnsEnvelope] = {
val maybeSnsEnvelope = for {
json <- Try(JsonParser.parseString(s)).map(_.getAsJsonObject).toOption
message <- Option(json.get("Message")).map(_.getAsString)
} yield JsonReader.SnsEnvelope(message)
if (maybeSnsEnvelope.isEmpty) {
logger.error(s"Unable to decode to SnsEnvelope. message=$s")
}
maybeSnsEnvelope
}
}