iamcrypticcoder

class GUIBuilder {
    private var platform: String
    private var guiFactory: AbstractGUIFactory?
    
    init(platform: String) {
        self.platform = platform
    }
    
    func initGuiFactory() -> Void {
        if nil != guiFactory { return }

iamcrypticcoder

protocol Button {
    func setTitle(_ title: String) -> Void
    func show() -> Void
}

protocol Window {
    func setTitle(_ title: String) -> Void
    func show() -> Void
}

iamcrypticcoder

class WinButton: Button {
    var title: String?
    
    func setTitle(_ title: String) -> Void {
        self.title = title
    }
    
    func show() -> Void {
        print("Showing Windows style button [Title: \(self.title!)]")
    }

iamcrypticcoder

protocol AbstractGUIFactory {
    func createButton() -> Button
    func createWindow() -> Window
}

iamcrypticcoder

class WinFactory : AbstractGUIFactory {
    func createButton() -> Button {
        return WinButton()
    }
    
    func createWindow() -> Window {
        return WinWindow()
    }
}

iamcrypticcoder

class GUIBuilder {
    private var platform: String
    private var guiFactory: AbstractGUIFactory?
    
    init(platform: String) {
        self.platform = platform
    }
    
    func initGuiFactory() -> Void {
        if nil != guiFactory { return }

iamcrypticcoder

let guiBuilder: GUIBuilder = GUIBuilder(platform: "Windows")

let window: Window = guiBuilder.buildWindow()
window.setTitle("Mahbub")
window.show()

let button: Button = guiBuilder.buildButton()
button.setTitle("Connect")
button.show()

iamcrypticcoder

import Foundation

protocol Connection {
    func makeReady() -> Void
    func isReady() -> Bool
    func sendPacket(_ data: String) -> Void
}

iamcrypticcoder

class EthernetConnection : Connection {
    
    func makeReady() {
        print("Making Ethernet Ready...")
    }
    
    func isReady() -> Bool {
        return arc4random_uniform(2) == 0
    }
    

iamcrypticcoder

class ThunderboltAdapter {
    var connection: Connection
    
    init(_ connection: Connection) {
        self.connection = connection
    }
    
    func sendData(_ data: String) {
        
        if connection is EthernetConnection {