Convert Objects to and from JSON

JSONConvertible.swift

import Foundation

protocol JSONConvertible {

}

extension JSONConvertible {

    func toJSON() -> [String: AnyObject] {
        var json = [String: AnyObject]()
        let mirror = Mirror(reflecting: self)
        for child in mirror.children {
            guard let label = child.label,
                value = child.value as? AnyObject else {
                    continue
            }
            json[label] = value
        }
        return json
    }
}

extension JSONConvertible where Self: NSObject {

    func setValuesFromJSON(json: [String: AnyObject]) {
        for (key, value) in json {
            // The objects fiels must be declared as vars, or this will fail
            setValue(value, forKey: key)
        }
    }
}