ExtensionDataSharing03-Book.swift

ExtensionDataSharing03-Book.swift

import UIKit

public class Book: NSObject, NSCoding {
    
    public let title: String!
    public let author: String!
    
    public init(title: String, author: String) {
        self.title = title
        self.author = author
        super.init()
    }
    
    required public init(coder aDecoder: NSCoder) {
        self.title = aDecoder.decodeObjectForKey("title") as String?
        self.author = aDecoder.decodeObjectForKey("author") as String?
    }
    
    public func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(self.title, forKey: "title")
        aCoder.encodeObject(self.author, forKey: "author")
    }

}