IOS Swift NSXMLParser example

gistfile1.swift

private class ParserDelegate:NSObject, NSXMLParserDelegate{
    
    init(element:String){
        self.element=element
        super.init()
    }
    
    var text=""
    var element:String
    var recordingElementValue:Bool=false
    
    func parser(parser: NSXMLParser!, didStartElement elementName: String!, namespaceURI: String!, qualifiedName qName: String!, attributes attributeDict: [NSObject : AnyObject]!) {
        println("element start: \(elementName)")
        if elementName==element{
            recordingElementValue=true
        }
    }

    func parser(parser: NSXMLParser!, didEndElement elementName: String!, namespaceURI: String!, qualifiedName qName: String!) {
        println("element finish: \(elementName)")
        if elementName==element{
            recordingElementValue=false
        }
    }
    
    func parser(parser: NSXMLParser!, foundCharacters string: String!) {
        if recordingElementValue{
            text+=string
        }
    }
    
}

class XMLParser{

    init(xml:String, element:String){
        self.xmlString=xml
        self.parserDelegate=ParserDelegate(element:element)
    }
    
    private var xmlString:String
    var returnValue:String?
    private var parserDelegate:ParserDelegate
    
    func parse()->Bool{
        let p=NSXMLParser(data: xmlString.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false))
        p.delegate=parserDelegate
        if p.parse(){
            returnValue=parserDelegate.text
            return true
        }
        return false
    }

}

let xmlString="<soap:Envelope xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\">" +
"<soap:Header/>" +
"<soap:Body>" +
"<m:GetUsersListResponse xmlns:m=\"http://google.com\">" +
"<m:return xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">" +
"asdasdas" +
"</m:return>" +
"</m:GetUsersListResponse>" +
"</soap:Body>" +
"</soap:Envelope>"


let parser=XMLParser(xml: xmlString, element:"m:return")
parser.parse()
println(parser.returnValue!)