/
JsonFormat.scala
65 lines (57 loc) · 2.19 KB
/
JsonFormat.scala
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/*
* Original implementation (C) 2009-2011 Debasish Ghosh
* Adapted and extended in 2011 by Mathias Doenitz
* Adapted and extended in 2016 by Eugene Yokota
*
* 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 sjsonnew
import annotation.implicitNotFound
/**
* Provides the JSON deserialization for type A.
*/
@implicitNotFound(msg = "Cannot find JsonReader or JsonFormat type class for ${A}")
trait JsonReader[A] {
def read[J](jsOpt: Option[J], unbuilder: Unbuilder[J]): A
}
/**
* Provides the JSON serialization for type A.
*/
@implicitNotFound(msg = "Cannot find JsonWriter or JsonFormat type class for ${A}")
trait JsonWriter[A] {
def write[J](obj: A, builder: Builder[J]): Unit
def addField[J](name: String, obj: A, builder: Builder[J]): Unit =
{
builder.addFieldName(name)
write(obj, builder)
}
}
/**
* Provides the JSON deserialization and serialization for type A.
*/
trait JsonFormat[A] extends JsonReader[A] with JsonWriter[A]
/**
* A special JsonReader capable of reading a legal JSON root object, i.e. either a JSON array or a JSON object.
*/
@implicitNotFound(msg = "Cannot find RootJsonReader or RootJsonFormat type class for ${A}")
trait RootJsonReader[A] extends JsonReader[A]
/**
* A special JsonWriter capable of writing a legal JSON root object, i.e. either a JSON array or a JSON object.
*/
@implicitNotFound(msg = "Cannot find RootJsonWriter or RootJsonFormat type class for ${A}")
trait RootJsonWriter[A] extends JsonWriter[A]
/**
* A special JsonFormat signaling that the format produces a legal JSON root object, i.e. either a JSON array
* or a JSON object.
*/
trait RootJsonFormat[A] extends JsonFormat[A] with RootJsonReader[A] with RootJsonWriter[A]