io.sigs.seals.circe.Atoms.scala Maven / Gradle / Ivy
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/*
* Copyright 2017 Daniel Urban and contributors listed in AUTHORS
*
* 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 io.sigs.seals
package circe
import java.util.UUID
import cats.implicits._
import io.circe.numbers.BiggerDecimal
trait Atoms {
implicit val atomicForBiggerDecimal: Atomic[BiggerDecimal] =
Atoms.AtomicForBiggerDecimal
}
object Atoms extends Atoms {
// Note: this is defined in the object (and
// not the trait), because this way serialization
// and deserialization of this Atomic instance
// preserves object identity.
private[Atoms] object AtomicForBiggerDecimal
extends Atomic[BiggerDecimal]
with Atomic.FallbackBinary[BiggerDecimal] {
val description: String =
"BiggerDecimal"
val uuid: UUID =
uuid"5c3d07fd-2f45-4f7b-af52-eeba62b95aa1"
def stringRepr(a: BiggerDecimal): String =
a.toString
def fromString(s: String): Either[Atomic.Error, BiggerDecimal] = {
BiggerDecimal.parseBiggerDecimal(s).toRight(
left = Atomic.InvalidData(sh"not a BiggerDecimal: '${s}'")
)
}
}
}