TransformOf.swift 1.8 KB

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  1. //
  2. // TransformOf.swift
  3. // ObjectMapper
  4. //
  5. // Created by Syo Ikeda on 1/23/15.
  6. //
  7. // The MIT License (MIT)
  8. //
  9. // Copyright (c) 2014-2016 Hearst
  10. //
  11. // Permission is hereby granted, free of charge, to any person obtaining a copy
  12. // of this software and associated documentation files (the "Software"), to deal
  13. // in the Software without restriction, including without limitation the rights
  14. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15. // copies of the Software, and to permit persons to whom the Software is
  16. // furnished to do so, subject to the following conditions:
  17. //
  18. // The above copyright notice and this permission notice shall be included in
  19. // all copies or substantial portions of the Software.
  20. //
  21. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  27. // THE SOFTWARE.
  28. open class TransformOf<ObjectType, JSONType>: TransformType {
  29. public typealias Object = ObjectType
  30. public typealias JSON = JSONType
  31. private let fromJSON: (JSONType?) -> ObjectType?
  32. private let toJSON: (ObjectType?) -> JSONType?
  33. public init(fromJSON: @escaping(JSONType?) -> ObjectType?, toJSON: @escaping(ObjectType?) -> JSONType?) {
  34. self.fromJSON = fromJSON
  35. self.toJSON = toJSON
  36. }
  37. open func transformFromJSON(_ value: Any?) -> ObjectType? {
  38. return fromJSON(value as? JSONType)
  39. }
  40. open func transformToJSON(_ value: ObjectType?) -> JSONType? {
  41. return toJSON(value)
  42. }
  43. }