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import play.api.libs.json._
import ammonite.ops.{Bytes, Path}
package object forge {
implicit object pathFormat extends Format[ammonite.ops.Path]{
def reads(json: JsValue) = json match{
case JsString(v) => JsSuccess(Path(v))
case _ => JsError("Paths must be a String")
}
def writes(o: Path) = JsString(o.toString)
}
implicit object bytesFormat extends Format[Bytes]{
def reads(json: JsValue) = json match{
case JsString(v) => JsSuccess(
new Bytes(javax.xml.bind.DatatypeConverter.parseBase64Binary(v))
)
case _ => JsError("Bytes must be a String")
}
def writes(o: Bytes) = {
JsString(javax.xml.bind.DatatypeConverter.printBase64Binary(o.array))
}
}
implicit def EitherFormat[T: Format, V: Format] = new Format[Either[T, V]]{
def reads(json: JsValue) = json match{
case JsObject(struct) =>
(struct.get("type"), struct.get("value")) match{
case (Some(JsString("Left")), Some(v)) => implicitly[Reads[T]].reads(v).map(Left(_))
case (Some(JsString("Right")), Some(v)) => implicitly[Reads[V]].reads(v).map(Right(_))
case _ => JsError("Either object layout is unknown")
}
case _ => JsError("Either must be an Object")
}
def writes(o: Either[T, V]) = o match{
case Left(v) => Json.obj("type" -> "Left", "value" -> implicitly[Writes[T]].writes(v))
case Right(v) => Json.obj("type" -> "Right", "value" -> implicitly[Writes[V]].writes(v))
}
}
implicit val crFormat: Format[ammonite.ops.CommandResult] = Json.format
}
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