Swift 4 recipes: Extract data from a property list

swift4-plist-extract.swift

//Property List file name = regions.plist
let pListFileURL = Bundle.main.url(forResource: "regions", withExtension: "plist", subdirectory: "")
if let pListPath = pListFileURL?.path,
  let pListData = FileManager.default.contents(atPath: pListPath) {
  do {
    let pListObject = try PropertyListSerialization.propertyList(from: pListData, options:PropertyListSerialization.ReadOptions(), format:nil)
    //Cast pListObject - If expected data type is Dictionary
    guard let pListDict = pListObject as? Dictionary<String, AnyObject> else {
      return
    }
    
    //Cast pListObject - If expected data type is Array of Dict
    guard let pListArray = pListObject as? [Dictionary<String, AnyObject>] else {
      return
    }
    
    
    //Perform actions on pListDict
  } catch {
    print("Error reading regions plist file: \(error)")
    return
  }
}