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Diffstat (limited to 'src/main/scala/cc/spray/json/CollectionFormats.scala')
| -rw-r--r-- | src/main/scala/cc/spray/json/CollectionFormats.scala | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/main/scala/cc/spray/json/CollectionFormats.scala b/src/main/scala/cc/spray/json/CollectionFormats.scala deleted file mode 100644 index 3b0d0c2..0000000 --- a/src/main/scala/cc/spray/json/CollectionFormats.scala +++ /dev/null @@ -1,94 +0,0 @@ -/* - * 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 spray.json - -trait CollectionFormats { - - /** - * Supplies the JsonFormat for Lists. - */ - implicit def listFormat[T :JsonFormat] = new RootJsonFormat[List[T]] { - def write(list: List[T]) = JsArray(list.map(_.toJson)) - def read(value: JsValue) = value match { - case JsArray(elements) => elements.map(_.convertTo[T]) - case x => deserializationError("Expected List as JsArray, but got " + x) - } - } - - /** - * Supplies the JsonFormat for Arrays. - */ - implicit def arrayFormat[T :JsonFormat :ClassManifest] = new RootJsonFormat[Array[T]] { - def write(array: Array[T]) = JsArray(array.map(_.toJson).toList) - def read(value: JsValue) = value match { - case JsArray(elements) => elements.map(_.convertTo[T]).toArray[T] - case x => deserializationError("Expected Array as JsArray, but got " + x) - } - } - - /** - * Supplies the JsonFormat for Maps. The implicitly available JsonFormat for the key type K must - * always write JsStrings, otherwise a [[spray.json.SerializationException]] will be thrown. - */ - implicit def mapFormat[K :JsonFormat, V :JsonFormat] = new RootJsonFormat[Map[K, V]] { - def write(m: Map[K, V]) = JsObject { - m.map { field => - field._1.toJson match { - case JsString(x) => x -> field._2.toJson - case x => throw new SerializationException("Map key must be formatted as JsString, not '" + x + "'") - } - } - } - def read(value: JsValue) = value match { - case x: JsObject => x.fields.map { field => - (JsString(field._1).convertTo[K], field._2.convertTo[V]) - } (collection.breakOut) - case x => deserializationError("Expected Map as JsObject, but got " + x) - } - } - - import collection.{immutable => imm} - - implicit def immIterableFormat[T :JsonFormat] = viaList[imm.Iterable[T], T](list => imm.Iterable(list :_*)) - implicit def immSeqFormat[T :JsonFormat] = viaList[imm.Seq[T], T](list => imm.Seq(list :_*)) - implicit def immIndexedSeqFormat[T :JsonFormat] = viaList[imm.IndexedSeq[T], T](list => imm.IndexedSeq(list :_*)) - implicit def immLinearSeqFormat[T :JsonFormat] = viaList[imm.LinearSeq[T], T](list => imm.LinearSeq(list :_*)) - implicit def immSetFormat[T :JsonFormat] = viaList[imm.Set[T], T](list => imm.Set(list :_*)) - implicit def vectorFormat[T :JsonFormat] = viaList[Vector[T], T](list => Vector(list :_*)) - - import collection._ - - implicit def iterableFormat[T :JsonFormat] = viaList[Iterable[T], T](list => Iterable(list :_*)) - implicit def seqFormat[T :JsonFormat] = viaList[Seq[T], T](list => Seq(list :_*)) - implicit def indexedSeqFormat[T :JsonFormat] = viaList[IndexedSeq[T], T](list => IndexedSeq(list :_*)) - implicit def linearSeqFormat[T :JsonFormat] = viaList[LinearSeq[T], T](list => LinearSeq(list :_*)) - implicit def setFormat[T :JsonFormat] = viaList[Set[T], T](list => Set(list :_*)) - - /** - * A JsonFormat construction helper that creates a JsonFormat for an Iterable type I from a builder function - * List => I. - */ - def viaList[I <: Iterable[T], T :JsonFormat](f: List[T] => I): RootJsonFormat[I] = new RootJsonFormat[I] { - def write(iterable: I) = JsArray(iterable.map(_.toJson).toList) - def read(value: JsValue) = value match { - case JsArray(elements) => f(elements.map(_.convertTo[T])) - case x => deserializationError("Expected Collection as JsArray, but got " + x) - } - } - -}
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