DataTransform.swift 1.7 KB

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  1. //
  2. // DataTransform.swift
  3. // ObjectMapper
  4. //
  5. // Created by Yagrushkin, Evgeny on 8/30/16.
  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. import Foundation
  29. open class DataTransform: TransformType {
  30. public typealias Object = Data
  31. public typealias JSON = String
  32. public init() {}
  33. open func transformFromJSON(_ value: Any?) -> Data? {
  34. guard let string = value as? String else{
  35. return nil
  36. }
  37. return Data(base64Encoded: string)
  38. }
  39. open func transformToJSON(_ value: Data?) -> String? {
  40. guard let data = value else{
  41. return nil
  42. }
  43. return data.base64EncodedString()
  44. }
  45. }