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Start structure to discover JsonWriter

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Dale Wijnand 2017-03-17 14:37:44 +00:00
parent 371f14d9a5
commit 6e6f66d6d0
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1 changed files with 14 additions and 1 deletions
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15
main/src/main/scala/sbt/internal/server/SettingQuery.scala
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@ -8,6 +8,8 @@ package server
import java.net.URI import java.net.URI
import scala.util.{ Left, Right } import scala.util.{ Left, Right }
import sbt.protocol._ import sbt.protocol._
import sjsonnew._
import sjsonnew.support.scalajson.unsafe._
object SettingQuery { object SettingQuery {
import sbt.internal.util.{ AttributeKey, Settings } import sbt.internal.util.{ AttributeKey, Settings }
@ -84,7 +86,18 @@ object SettingQuery {
case x => Right(x) case x => Right(x)
} }
def toJsonString[A: Manifest](x: A): String = x.toString def getJsonWriter[A: Manifest](x: A): Option[JsonWriter[A]] = None
def toJsonStringStrict[A: Manifest](x: A): Either[String, String] =
getJsonWriter[A](x)
.toRight(s"JsonWriter for ${manifest[A]} not found")
.map(implicit jsonWriter => CompactPrinter(Converter.toJsonUnsafe(x)))
def toJsonString[A: Manifest](x: A): String =
toJsonStringStrict(x) match {
case Right(s) => s
case Left(_) => x.toString
}
def getSettingJsonStringValue[A](structure: BuildStructure, key: Def.ScopedKey[A]): Either[String, String] = def getSettingJsonStringValue[A](structure: BuildStructure, key: Def.ScopedKey[A]): Either[String, String] =
getSettingValue(structure, key) map (toJsonString(_)(key.key.manifest)) getSettingValue(structure, key) map (toJsonString(_)(key.key.manifest))