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jbwheatley
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Aug 11, 2021
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80 changes: 80 additions & 0 deletions
80
scalapact-circe-0-14/src/main/scala/com/itv/scalapact/circe14/JsonConversionFunctions.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package com.itv.scalapact.circe14 | ||
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| import com.itv.scalapact.shared.utils.ColourOutput._ | ||
| import com.itv.scalapact.shared.json.IJsonConversionFunctions | ||
| import com.itv.scalapact.shared.matchir.IrNodePath.IrNodePathEmpty | ||
| import com.itv.scalapact.shared.matchir.MatchIrConstants.{rootNodeLabel, unnamedNodeLabel} | ||
| import com.itv.scalapact.shared.matchir._ | ||
| import com.itv.scalapact.shared.utils.PactLogger | ||
| import io.circe._ | ||
| import io.circe.parser._ | ||
|
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| object JsonConversionFunctions extends IJsonConversionFunctions { | ||
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| def fromJSON(jsonString: String): Option[IrNode] = | ||
| parse(jsonString).toOption.flatMap { json => | ||
| jsonRootToIrNode(json, IrNodePathEmpty) | ||
| } | ||
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| private def jsonToIrNode(label: String, json: Json, pathToParent: IrNodePath): IrNode = | ||
| json match { | ||
| case j: Json if j.isArray => | ||
| IrNode(label, jsonArrayToIrNodeList(label, j, pathToParent)).withPath(pathToParent).markAsArray | ||
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| case j: Json if j.isObject => | ||
| IrNode(label, jsonObjectToIrNodeList(j, pathToParent)).withPath(pathToParent) | ||
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| case j: Json if j.isNumber => | ||
| IrNode(label, j.asNumber.map(_.toDouble).map(d => IrNumberNode(d))).withPath(pathToParent) | ||
|
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| case j: Json if j.isBoolean => | ||
| IrNode(label, j.asBoolean.map(IrBooleanNode)).withPath(pathToParent) | ||
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| case j: Json if j.isString => | ||
| IrNode(label, j.asString.map(IrStringNode)).withPath(pathToParent) | ||
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| case _ => | ||
| IrNode(label, IrNullNode).withPath(pathToParent) | ||
| } | ||
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| private def jsonObjectToIrNodeList(json: Json, pathToParent: IrNodePath): List[IrNode] = | ||
| json.hcursor.keys | ||
| .map(_.toSet) | ||
| .map(_.toList) | ||
| .getOrElse(Nil) | ||
| .map(l => if (l.isEmpty) unnamedNodeLabel else l) | ||
| .map { l => | ||
| json.hcursor.downField(l).focus.map { q => | ||
| jsonToIrNode(l, q, pathToParent <~ l) | ||
| } | ||
| } | ||
| .collect { case Some(s) => s } | ||
|
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| private def jsonArrayToIrNodeList(parentLabel: String, json: Json, pathToParent: IrNodePath): List[IrNode] = | ||
| json.asArray | ||
| .map(_.toList) | ||
| .getOrElse(Nil) | ||
| .zipWithIndex | ||
| .map(j => jsonToIrNode(parentLabel, j._1, pathToParent <~ j._2)) | ||
|
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| private def jsonRootToIrNode(json: Json, initialPath: IrNodePath): Option[IrNode] = | ||
| json match { | ||
| case j: Json if j.isArray => | ||
| Option( | ||
| IrNode(rootNodeLabel, jsonArrayToIrNodeList(unnamedNodeLabel, j, initialPath)) | ||
| .withPath(initialPath) | ||
| .markAsArray | ||
| ) | ||
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| case j: Json if j.isObject => | ||
| Option( | ||
| IrNode(rootNodeLabel, jsonObjectToIrNodeList(j, initialPath)) | ||
| .withPath(initialPath) | ||
| ) | ||
|
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| case _ => | ||
| PactLogger.error("JSON was not an object or an array".red) | ||
| None | ||
| } | ||
|
|
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| } |
25 changes: 25 additions & 0 deletions
25
scalapact-circe-0-14/src/main/scala/com/itv/scalapact/circe14/JsonInstances.scala
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,25 @@ | ||
| package com.itv.scalapact.circe14 | ||
|
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| import com.itv.scalapact.shared.{JvmPact, Pact} | ||
| import com.itv.scalapact.shared.json.{ContractDeserializer, IPactReader, IPactWriter} | ||
| import io.circe.parser.parse | ||
|
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| trait JsonInstances { | ||
| import PactImplicits._ | ||
|
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| implicit val pactReaderInstance: IPactReader = new PactReader | ||
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| implicit val pactWriterInstance: IPactWriter = new PactWriter | ||
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| implicit val pactDeserializer: ContractDeserializer[Pact] = (jsonString: String) => | ||
| parse(jsonString).flatMap(_.as[Pact]) match { | ||
| case Right(a) => Right(a) | ||
| case Left(_) => Left(s"Could not read scala-pact pact from json: $jsonString") | ||
| } | ||
|
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| implicit val jvmPactDeserializer: ContractDeserializer[JvmPact] = (jsonString: String) => | ||
| parse(jsonString).flatMap(_.as[JvmPact]) match { | ||
| case Right(a) => Right(a) | ||
| case Left(_) => Left(s"Could not read jvm-pact pact from json: $jsonString") | ||
| } | ||
| } |
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