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IsoStringLongFormats.scala
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IsoStringLongFormats.scala
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/*
* Copyright (C) 2023 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
trait IsoStringLongFormats {
implicit def isoStringLongFormat[A: IsoStringLong]: JsonFormat[A] = new JsonFormat[A] {
val iso = implicitly[IsoStringLong[A]]
def write[J](a: A, builder: Builder[J]): Unit = {
val p = iso.to(a)
builder.beginObject()
builder.addFieldName("first")
builder.writeString(p._1)
builder.addFieldName("second")
builder.writeLong(p._2)
builder.endObject()
}
def read[J](jsOpt: Option[J], unbuilder: Unbuilder[J]): A =
jsOpt match {
case Some(js) =>
unbuilder.beginObject(js)
val first = unbuilder.readField[String]("first")
val second = unbuilder.readField[Long]("second")
unbuilder.endObject()
iso.from((first, second))
case None => deserializationError(s"Expected JsObject but got None")
}
}
}