swift / JSON取得＆リスト表示＆タイトルクリックでURLに飛ぶ

• 世界一受けたいiphoneアプリの授業から転載

import UIKit
import Alamofire

class ViewController: UIViewController,UITableViewDataSource,UITableViewDelegate {
    @IBOutlet var table: UITableView!
    var newsDataArray = NSArray();
    func tableView(tableView: UITableView, numberOfRowsInSection section:Int) -> Int{
        return newsDataArray.count
    }
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath)->UITableViewCell{
        let cell = UITableViewCell(style: UITableViewCellStyle.Subtitle, reuseIdentifier: "Cell")
        let newsDic = newsDataArray[indexPath.row] as! NSDictionary
        cell.textLabel?.text = newsDic["title"] as? String
        cell.textLabel?.numberOfLines = 3
        cell.detailTextLabel?.text = newsDic["publishedDate"] as? String
        return cell
    }

    func tableView(tableView: UITableView,didSelectRowAtIndexPath indexPath: NSIndexPath){
        let newsDic = newsDataArray[indexPath.row] as! NSDictionary;
        let newsUrl = newsDic["unescapedUrl"] as! String;
        let url = NSURL(string:newsUrl);
        let app = UIApplication.sharedApplication();
        app.openURL(url!);
    }
    
    override func viewDidLoad() {
        table.dataSource = self;
        table.delegate = self;
        super.viewDidLoad()
        getRSS();
    }

    func getRSS(){
        let requestUrl = "https://ajax.googleapis.com/ajax/services/search/news?v=1.0&topic=p&hl=ja&rsz=8";
        Alamofire.request(.GET, requestUrl, parameters: nil).responseJSON {
            response in
            if let json = response.result.value {
                let jsonDic = json as! NSDictionary
                let responseData = jsonDic["responseData"] as! NSDictionary
                self.newsDataArray = responseData["results"] as! NSArray
                self.table.reloadData()
            }
        }
    }