AlamofireObjectMapper alternatives and similar libraries
Based on the "JSON" category.
Alternatively, view AlamofireObjectMapper alternatives based on common mentions on social networks and blogs.
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MJExtension
A fast, convenient and nonintrusive conversion framework between JSON and model. Your model class doesn't need to extend any base class. You don't need to modify any model file. -
HandyJSON
A handy swift json-object serialization/deserialization library -
SBJson
This framework implements a strict JSON parser and generator in Objective-C. -
json-swift
A basic library for working with JSON in Swift. -
Marshal
Marshaling the typeless wild west of [String: Any] -
PMHTTP
Swift/Obj-C HTTP framework with a focus on REST and JSON -
FlatBuffersSwift
This project brings FlatBuffers (an efficient cross platform serialization library) to Swift. -
Motis
Easy JSON to NSObject mapping using Cocoa's key value coding (KVC) -
Serpent
A protocol to serialize Swift structs and classes for encoding and decoding. -
JAYSON
🧱 A JSON decoding/encoding library that handles optimistically or strictly. -
MagicMapper
🌟 Super light and easy automatic JSON to model mapper -
Mappable
flexible JSON to Model converter, specially optimized for immutable properties -
WAMapping
A library to turn dictionary into object and vice versa for iOS. Designed for speed! -
NSTEasyJSON
The better way to deal with JSON in Objective-C (inspired by SwiftyJSON) -
GuardedSwiftyJSON
Swift guarded model initializers for SwiftyJSON -
Alter
Alter is framework to make mapping Codable property and key easier. -
NativeJSONMapper
Simple Swift 4 encoding & decoding. -
jsoncafe.com
Online Template driven Model Class Generator from JSON.
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README
AlamofireObjectMapper
An extension to Alamofire which automatically converts JSON response data into swift objects using ObjectMapper.
Usage
Given a URL which returns weather data in the following form:
{
"location": "Toronto, Canada",
"three_day_forecast": [
{
"conditions": "Partly cloudy",
"day" : "Monday",
"temperature": 20
},
{
"conditions": "Showers",
"day" : "Tuesday",
"temperature": 22
},
{
"conditions": "Sunny",
"day" : "Wednesday",
"temperature": 28
}
]
}
You can use the extension as the follows:
import AlamofireObjectMapper
let URL = "https://raw.githubusercontent.com/tristanhimmelman/AlamofireObjectMapper/d8bb95982be8a11a2308e779bb9a9707ebe42ede/sample_json"
Alamofire.request(URL).responseObject { (response: DataResponse<WeatherResponse>) in
let weatherResponse = response.result.value
print(weatherResponse?.location)
if let threeDayForecast = weatherResponse?.threeDayForecast {
for forecast in threeDayForecast {
print(forecast.day)
print(forecast.temperature)
}
}
}
The WeatherResponse
object in the completion handler is a custom object which you define. The only requirement is that the object must conform to ObjectMapper's Mappable
protocol. In the above example, the WeatherResponse
object looks like the following:
import ObjectMapper
class WeatherResponse: Mappable {
var location: String?
var threeDayForecast: [Forecast]?
required init?(map: Map){
}
func mapping(map: Map) {
location <- map["location"]
threeDayForecast <- map["three_day_forecast"]
}
}
class Forecast: Mappable {
var day: String?
var temperature: Int?
var conditions: String?
required init?(map: Map){
}
func mapping(map: Map) {
day <- map["day"]
temperature <- map["temperature"]
conditions <- map["conditions"]
}
}
The extension uses Generics to allow you to create your own custom response objects. Below is the responseObject
function definition. Just replace T
in the completionHandler with your custom response object and the extension handles the rest:
public func responseObject<T: BaseMappable>(queue: DispatchQueue? = nil, keyPath: String? = nil, mapToObject object: T? = nil, context: MapContext? = nil, completionHandler: @escaping (DataResponse<T>) -> Void) -> Self
The responseObject
function has 4 optional parameters and a required completionHandler:
queue
: The queue on which the completion handler is dispatched.keyPath
: The key path of the JSON where object mapping should be performed.mapToObject
: An object to perform the mapping on to.context
: A context object that is passed to the mapping function.completionHandler
: A closure to be executed once the request has finished and the data has been mapped by ObjectMapper.
Easy Mapping of Nested Objects
AlamofireObjectMapper supports dot notation within keys for easy mapping of nested objects. Given the following JSON String:
"distance" : {
"text" : "102 ft",
"value" : 31
}
You can access the nested objects as follows:
func mapping(map: Map) {
distance <- map["distance.value"]
}
KeyPath
The keyPath
variable is used to drill down into a JSON response and only map the data found at that keyPath
. It supports nested values such as data.weather
to drill down several levels in a JSON response.
let URL = "https://raw.githubusercontent.com/tristanhimmelman/AlamofireObjectMapper/2ee8f34d21e8febfdefb2b3a403f18a43818d70a/sample_keypath_json"
let expectation = expectationWithDescription("\(URL)")
Alamofire.request(URL).responseObject(keyPath: "data") { (response: DataResponse<WeatherResponse>) in
expectation.fulfill()
let weatherResponse = response.result.value
print(weatherResponse?.location)
if let threeDayForecast = weatherResponse?.threeDayForecast {
for forecast in threeDayForecast {
print(forecast.day)
print(forecast.temperature)
}
}
}
Array Responses
If you have an endpoint that returns data in Array
form you can map it with the following function:
public func responseArray<T: Mappable>(queue queue: dispatch_queue_t? = nil, keyPath: String? = nil, completionHandler: DataResponse<[T]> -> Void) -> Self
For example, if your endpoint returns the following:
[
{
"conditions": "Partly cloudy",
"day" : "Monday",
"temperature": 20
},
{
"conditions": "Showers",
"day" : "Tuesday",
"temperature": 22
},
{
"conditions": "Sunny",
"day" : "Wednesday",
"temperature": 28
}
]
You can request and map it as follows:
let URL = "https://raw.githubusercontent.com/tristanhimmelman/AlamofireObjectMapper/f583be1121dbc5e9b0381b3017718a70c31054f7/sample_array_json"
Alamofire.request(URL).responseArray { (response: DataResponse<[Forecast]>) in
let forecastArray = response.result.value
if let forecastArray = forecastArray {
for forecast in forecastArray {
print(forecast.day)
print(forecast.temperature)
}
}
}
Installation
AlamofireObjectMapper can be added to your project using CocoaPods by adding the following line to your Podfile:
pod 'AlamofireObjectMapper', '~> 5.2'
If you're using Carthage you can add a dependency on AlamofireObjectMapper by adding it to your Cartfile:
github "tristanhimmelman/AlamofireObjectMapper" ~> 5.2