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HWDataProtocol.swift
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HWDataProtocol.swift
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//
// HWDataProtocol.swift
// DataProtocol
//
// Created by hanwe lee on 2020/09/16.
// Copyright © 2020 hanwe. All rights reserved.
//
import UIKit
protocol HWDataProtocol:Codable,Equatable {
func toJson() -> String
static func fromJson<T:HWDataProtocol>(jsonData:Data?,object:T) -> T?
}
extension HWDataProtocol {
func toJson() -> String {
var jsonString:String = ""
let encoder = JSONEncoder()
encoder.outputFormatting = .prettyPrinted
encoder.outputFormatting = .sortedKeys
let jsonData = try? encoder.encode(self)
if jsonData != nil {
jsonString = String(data: jsonData!, encoding: .utf8) ?? ""
}
return jsonString
}
static func fromJson<T:HWDataProtocol>(jsonData:Data?,object:T) -> T? {
var returnValue:T? = nil
let decoder = JSONDecoder()
if let data = jsonData, let result = try? decoder.decode(T.self, from: data) {
returnValue = result
}
return returnValue
}
}