Added and tested LiftedFormatsSpec (thx to Dirk)

1 files changed, 32 insertions, 0 deletions

diff --git a/src/main/scala/cc/spray/json/LiftedFormats.scala b/src/main/scala/cc/spray/json/LiftedFormats.scala
new file mode 100644
index 0000000..a7c32be
--- /dev/null
+++ b/src/main/scala/cc/spray/json/LiftedFormats.scala
@@ -0,0 +1,32 @@
+/*
+ * Original implementation (C) 2009-2011 Debasish Ghosh
+ * Adapted and extended in 2011 by Mathias Doenitz
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cc.spray.json
+
+trait LiftedFormats {
+  implicit def liftJsonWriter[T](implicit writer: JsonWriter[T]): JsonFormat[T] = new JsonFormat[T] {
+    def write(obj: T): JsValue = writer.write(obj)
+    def read(value: JsValue) = throw new UnsupportedOperationException("No reader available")
+  }
+
+  implicit def liftJsonReader[T](implicit reader: JsonReader[T]): JsonFormat[T] = new JsonFormat[T] {
+    def write(obj: T): JsValue = throw new UnsupportedOperationException("No writer available")
+    def read(value: JsValue) = reader.read(value)
+  }
+}
+
+object LiftedFormats extends LiftedFormats
\ No newline at end of file