A protocol and its extension supporting serialization of Plist to respective data model

PlistDecoder.swift

import Foundation

/// Protocol supporting decoding of a plist to associated data model
protocol PlistDecoder {
    associatedtype PlistModel: Decodable

    func decodedValue() -> PlistModel?
}

/// Implementation of PlistDecoder with decoding capability
extension PlistDecoder {
    func decodedValue() -> PlistModel? {
        if let path = Bundle.main.path(forResource: String(describing: PlistModel.self), ofType: "plist"), let xml = FileManager.default.contents(atPath: path) {
            do {
                return try PropertyListDecoder().decode(PlistModel.self, from: xml)
            }
            catch {
                print(error)
            }
        }
        return nil
    }
}