Load Data from file & parse JSON in Swift 2

ParseJSONData.swift

// Swift 2 

// try will throw an error if there any & 
// catch will directly catch with 'error'

let str:String? = NSBundle.mainBundle().pathForResource("IndiaPost", ofType: "json")
let data:NSData? = NSData(contentsOfFile: str!)
		
do {
  let jsonData:AnyObject? = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments)
  if let arrayData:NSArray = jsonData as? NSArray {
    self.arrayOfLeftMenuItems = arrayData
  }
} catch {
  print(error)
}