How to define array of arrays - arrays

Question

I am trying to fetch the Json data from Api which is in the following format
[
{
"id": "244",
"name": "PIZZAS",
"image": "",
"coupon": "1",
"icon": "",
"order": "1",
"aname": "",
"options": "2",
"subcategory": [
{
"id": "515",
"name": "MARGARITA",
"description": "Cheese and Tomato",
"image": "",
"icon": "",
"coupon": "1",
"order": "1",
"aname": "",
"options": "2",
"item": [
{
"id": "1749",
"name": "9 Inch Thin & Crispy Margarita",
"description": "",
"price": "3.40",
"coupon": "1",
"image": "",
"options": "2",
"order": "1",
"addon": "495",
"aname": "",
"icon": ""
},
{
"id": "1750",
"name": "12 Inch Thin & Crispy Margarita",
"description": "",
"price": "5.20",
"coupon": "1",
"image": "",
"options": "2",
"order": "2",
"addon": "496",
"aname": "",
"icon": ""
}
]
}
How can i fetch the "subcategory name" as well as " items name". Please help me out.I have written some codes and tried to fetch but not working.
var json: NSArray!
do {
json = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions()) as? NSArray
} catch {
print(error)
}
self.AllData = json.valueForKey("subcategory") as! Array<String>
print(self.AllData)
print(self.AllData.count)
But its not fetching any value
Other way also I have tried but still no data fetching . only the data is coming in json1.
do {
let json1 = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions())
// print(json1)
if let subcategory = json1["subcategory"] as? [[String: AnyObject]] {
for subname in subcategory {
if let name = subname["name"] as? String {
print(name)
}
if let items = subname["item"] as? [[String: AnyObject]] {
for item in items {
if let itemName = item["name"] as? String {
print(itemName)
}
}
}
}
}
} catch {
print(error)
}

Answer 1

At first its an array of objects/Dictionary.And you are creating an array of string. Thats why for subcategory it will not work.You need to create an array of Dictionaries like this:
do {
let json1 = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions())
self.AllData = json1.valueForKey("name") as! Array<String>
print(self.AllData)
print("Number of menu = \(json1.count)")
for var i in 0..<json1.count {
print(" \n \(i+1) row menu \n")
if let subs = json1[i]["subcategory"] as? [[String: AnyObject]] {
//print(subs)
for sub in subs {
if let name = sub["name"] as? String {
print("subcategory name= \t \(name)")
//print(name)
}
if let desc = sub["description"] as? String {
print("description= \t \(desc)")
// print(desc)
}
}
print("Number of subcategory= \(subs.count)")
for var i in 0..<subs.count {
if let items = subs[i]["item"] as? [[String: AnyObject]] {
print("items = ")
print(items.count)
for item in items {
if let itemName = item["name"] as? String {
print(itemName)
}
}
}
}
}
}
}catch {
print(error)
}
Try this one it will work accoording to your json data

Answer 2

This may just be a problem when cutting and pasting into the question, but it looks like your JSON data isn't formatted correctly (the []s and {}s don't match up). As the previous commentor said, you're dealing with an array of dictionaries not an array of strings. Try something like this:
do {
let json = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions())
if let subs = json[0]["subcategory"] as? [[String: AnyObject]] {
for sub in subs {
if let name = sub["name"] as? String {
print(name)
}
if let items = sub["item"] as? [[String: AnyObject]] {
for item in items {
if let itemName = item["name"] as? String {
print(itemName)
}
}
}
}
}
} catch {
print(error)
}