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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Gloss
DISCONTINUED. [Deprecated] A shiny JSON parsing library in Swift :sparkles: Loved by many from 2015-2021 -
EVReflection
Reflection based (Dictionary, CKRecord, NSManagedObject, Realm, JSON and XML) object mapping with extensions for Alamofire and Moya with RxSwift or ReactiveSwift -
JSONHelper
โ Convert anything into anything in one operation; JSON data into class instances, hex strings into UIColor/NSColor, y/n strings to booleans, arrays and dictionaries of these; anything you can make sense of! -
Genome
A simple, type safe, failure driven mapping library for serializing JSON to models in Swift 3.0 (Supports Linux) -
CodableAlamofire
DISCONTINUED. An extension for Alamofire that converts JSON data into Decodable objects. -
Elevate
Elevate is a JSON parsing framework that leverages Swift to make parsing simple, reliable and composable. -
JSONNeverDie
Auto reflection tool from JSON to Model, user friendly JSON encoder / decoder, aims to never die -
AlamofireJsonToObjects
An Alamofire extension which converts JSON response data into swift objects using EVReflection -
DynamicUI
Create a SwiftUI user interface through a JSON file. The JSON file will contain the structure of the user interface, and the program will create the user interface based on the JSON file.
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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