Swift - Retrieve Lat and Long from Geocode.us

geocode.swift

import UIKit
import XCPlayground

XCPSetExecutionShouldContinueIndefinitely(continueIndefinitely: true)

class Geocode {
    
    var url : NSURL!
    var request : NSURLRequest!
    let queue : NSOperationQueue = NSOperationQueue()
    var address : String!
    var responseString : String?
    
    init(address: String) {
        self.address = address
        url = NSURL(string: processAddress(address))
        request = NSURLRequest(URL: url)
    }
    
    func processAddress(address: String) -> String {
        var tempArray = splitString(address, by: " ")
        var tempString = "http://rpc.geocoder.us/service/namedcsv?address="
        for (var i = 0; i<=tempArray.count-1 ; i++) {
            if i < tempArray.count-1 {
                tempString = tempString + tempArray[i] + "+"
            } else {
                tempString = tempString + tempArray[i]
            }
        }
        return tempString
    }
    
    func setString(s: String) {
        responseString = s
    }
    
    func splitString(s: String, by: String) -> [String] {
        return s.componentsSeparatedByString(by)
    }
    
    func unZipString(arr: [String]) -> [String: String] {
        var dict = [String: String]()
        var reply = splitString(arr[0], by: "=")
        dict[reply[0]] = reply[1]
        var reply2 = splitString(arr[1], by: "=")
        dict[reply2[0]] = reply2[1]
        return dict
    }
    
    func doWorkOnResponse() {
        var splitResponse = splitString(self.responseString!, by: ",")
        var data = unZipString(splitResponse)
        println("******************************")
        println(data)
    }
    
    func getLatandLong() {
        let task = NSURLSession.sharedSession().dataTaskWithURL(url) {(data, response, error) in
            self.setString(NSString(data: data, encoding: NSUTF8StringEncoding))
            self.doWorkOnResponse()
        }
        task.resume()
    }
}


var h = Geocode(address: "1350 14th st, Oakland, Ca 94607")
h.getLatandLong()