import UIKit
 
class ViewController: UIViewController,NSXMLParserDelegate {
     
    var strXMLData:String = ""
    var currentElement:String = ""
    var passData:Bool=false
    var passName:Bool=false
    var parser = NSXMLParser()
     
    @IBOutlet var lblNameData : UILabel! = nil
    override func viewDidLoad() {
        super.viewDidLoad()
         
        var url:String="http://api.androidhive.info/pizza/?format=xml"
        var urlToSend: NSURL = NSURL(string: url)!
        // Parse the XML
        parser = NSXMLParser(contentsOfURL: urlToSend)!
        parser.delegate = self
         
        var success:Bool = parser.parse()
         
        if success {
            println("parse success!")
             
            println(strXMLData)
             
            lblNameData.text=strXMLData
             
        } else {
            println("parse failure!")
        }
    }
 
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
     
    func parser(parser: NSXMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attributeDict: [NSObject : AnyObject]) {
        currentElement=elementName;
        if(elementName=="id" || elementName=="name" || elementName=="cost" || elementName=="description")
        {
            if(elementName=="name"){
                passName=true;
            }
            passData=true;
        }
    }
     
    func parser(parser: NSXMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) {
        currentElement="";
        if(elementName=="id" || elementName=="name" || elementName=="cost" || elementName=="description")
        {
            if(elementName=="name"){
                passName=false;
            }
            passData=false;
        }
    }
     
    func parser(parser: NSXMLParser, foundCharacters string: String?) {
        if(passName){
            strXMLData=strXMLData+"\n\n"+string!
        }
         
        if(passData)
        {
            println(string)
        }
    }
     
    func parser(parser: NSXMLParser, parseErrorOccurred parseError: NSError) {
        NSLog("failure error: %@", parseError)
    }
}