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authorChris Martin <ch.martin@gmail.com>2014-09-15 16:48:00 -0400
committerChris Martin <ch.martin@gmail.com>2014-09-15 16:51:43 -0400
commit12d83eb4b4b7c749cafe34f4a557c5ce153e4cdf (patch)
tree8f92c711d5e55811ac96f2e15a75f0d73a3eb687 /src/main/scala/spray/json/ProductFormats.scala
parent8dc25d6d15a0dbd5d444b83a5d91768e2237495c (diff)
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Add jsonFormat0 for fieldless case classes
Closes #41
Diffstat (limited to 'src/main/scala/spray/json/ProductFormats.scala')
-rw-r--r--src/main/scala/spray/json/ProductFormats.scala9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/scala/spray/json/ProductFormats.scala b/src/main/scala/spray/json/ProductFormats.scala
index 971c7a6..5f5a9f4 100644
--- a/src/main/scala/spray/json/ProductFormats.scala
+++ b/src/main/scala/spray/json/ProductFormats.scala
@@ -26,6 +26,15 @@ import scala.util.control.NonFatal
trait ProductFormats extends ProductFormatsInstances {
this: StandardFormats =>
+ def jsonFormat0[T](construct: () => T): RootJsonFormat[T] =
+ new RootJsonFormat[T] {
+ def write(p: T) = JsObject()
+ def read(value: JsValue) = value match {
+ case JsObject(_) => construct()
+ case _ => throw new DeserializationException("Object expected")
+ }
+ }
+
// helpers
protected def productElement2Field[T](fieldName: String, p: Product, ix: Int, rest: List[JsField] = Nil)