POST request with a simple string in body with Alamofire

Question

how is it possible to send a POST request with a simple string in the HTTP body with Alamofire in my iOS app   As default Alamofire needs parameters for a request   Alamofire request  POST   http   mywebsite com post-request   parameters    foo    bar      These parameters contain key-value-pairs  But I don t want to send a request with a key-value string in the HTTP body   I mean something like this   Alamofire request  POST   http   mywebsite com post-request   body   myBodyString

User · Answer

I ve used answer of  afrodev as reference  In my case I take parameter to my function as string that have to be posted in request  So  here is the code   func defineOriginalLanguage ofText  String        let text    ofText     let stringURL   basicURL    identify version 2018-05-01      let url   URL string  stringURL       var request   URLRequest url  url       request httpMethod   HTTPMethod post rawValue     request setValue  text plain   forHTTPHeaderField   Content-Type       request httpBody   text data using   utf8       Alamofire request request           responseJSON   response in             print response

User · Answer

Your example Alamofire request  POST   http   mywebsite com post-request   parameters    foo    bar    already contains  foo bar  string as its body  But if you really want string with custom format  You can do this   Alamofire request  POST   http   mywebsite com post-request   parameters       encoding   Custom                convertible  params  in             var mutableRequest   convertible URLRequest copy   as NSMutableURLRequest             mutableRequest HTTPBody    myBodyString  dataUsingEncoding NSUTF8StringEncoding  allowLossyConversion  false              return  mutableRequest  nil                Note  parameters should not be nil  UPDATE  Alamofire 4 0  Swift 3 0    In Alamofire 4 0 API has changed  So for custom encoding we need value object which conforms to ParameterEncoding protocol   extension String  ParameterEncoding        public func encode   urlRequest  URLRequestConvertible  with parameters  Parameters   throws - gt  URLRequest           var request   try urlRequest asURLRequest           request httpBody   data using   utf8  allowLossyConversion  false          return request           Alamofire request  http   mywebsite com post-request   method   post  parameters       encoding   myBody   headers

User · Answer

I modified  Silmaril s answer to extend Alamofire s Manager   This solution uses EVReflection to serialize an object directly     Extend Alamofire so it can do POSTs with a JSON body from passed object extension Alamofire Manager       public class func request          method  Alamofire Method            URLString  URLStringConvertible            bodyObject  EVObject          - gt  Request               return Manager sharedInstance request              method              URLString              parameters                   encoding   Custom    convertible  params  in                 let mutableRequest   convertible URLRequest copy   as  NSMutableURLRequest                 mutableRequest HTTPBody   bodyObject toJsonString   dataUsingEncoding NSUTF8StringEncoding  allowLossyConversion  false                  return  mutableRequest  nil                                     Then you can use it like this     Alamofire Manager request  POST  endpointUrlString  bodyObject  myObjectToPost

User · Answer

func paramsFromJSON json  String  - gt   String   AnyObject         let objectData  NSData    json dataUsingEncoding NSUTF8StringEncoding        var jsonDict    String   AnyObject       do           jsonDict   try NSJSONSerialization JSONObjectWithData objectData  options   MutableContainers  as    String   AnyObject          return jsonDict       catch           print  JSON serialization failed     error            return nil          let json   Mapper   toJSONString loginJSON  prettyPrint  false   Alamofire request  POST  url     login   parameters  paramsFromJSON json    encoding   JSON

User · Answer

If you want to post string as raw body in request  return Alamofire request  POST   http   mywebsite com post-request    parameters       encoding   Custom                convertible  params  in             let mutableRequest   convertible URLRequest copy   as  NSMutableURLRequest              let data     myBodyString  as NSString  dataUsingEncoding NSUTF8StringEncoding              mutableRequest HTTPBody   data             return  mutableRequest  nil

User · Answer

Xcode 8 X   Swift 3 X  Easy Use    let params NSMutableDictionary      foo    bar                let ulr    NSURL string  http   mywebsite com post-request  as String              let request   NSMutableURLRequest url  ulr  as URL              request httpMethod    POST              request setValue  application json   forHTTPHeaderField   Content-Type               let data   try  JSONSerialization data withJSONObject  params   options  JSONSerialization WritingOptions prettyPrinted               let json   NSString data  data  encoding  String Encoding utf8 rawValue              if let json   json                   print json                            request httpBody   json  data using  String Encoding utf8 rawValue                 Alamofire request request as  URLRequestConvertible                   responseJSON   response in                        do whatever you want here                    print response request                       print response response                      print response data                      print response result

User · Answer

If you use Alamofire  it is enough to encoding type to  URLEncoding httpBody   With that  you can send your data as a string in the httpbody allthough you defined it json in your code   It worked for me    UPDATED for     var url    http            let  headers   HTTPHeaders     Content-Type   application x-www-form-urlencoded       let params   Parameters     grant type   password   username   mail   password   pass        let url    NSURL string  url  as String       request url  method   post  parameters  params  encoding  URLEncoding httpBody   headers   headers  responseJSON completionHandler            response in response          let jsonResponse   response result value as  NSDictionary          if jsonResponse  access token      nil                       access token   String describing  jsonResponse  accesstoken

User · Answer

Based on Illya Krit s answer  Details   Xcode Version 10 2 1  10E1001  Swift 5 Alamofire 4 8 2   Solution  import Alamofire  struct BodyStringEncoding  ParameterEncoding        private let body  String      init body  String    self body   body        func encode   urlRequest  URLRequestConvertible  with parameters  Parameters   throws - gt  URLRequest           guard var urlRequest   urlRequest urlRequest else   throw Errors emptyURLRequest           guard let data   body data using   utf8  else   throw Errors encodingProblem           urlRequest httpBody   data         return urlRequest          extension BodyStringEncoding       enum Errors  Error           case emptyURLRequest         case encodingProblem          extension BodyStringEncoding Errors  LocalizedError       var errorDescription  String            switch self               case  emptyURLRequest  return  Empty url request              case  encodingProblem  return  Encoding problem                      Usage  Alamofire request url  method   post  parameters  nil  encoding  BodyStringEncoding body  text   headers  headers  responseJSON   response in      print response

User · Answer

You can do this    I created a separated request Alamofire object  Convert string to Data  Put in httpBody the data  var request   URLRequest url  URL string  url    request httpMethod   HTTPMethod post rawValue request setValue  application json   forHTTPHeaderField   Content-Type    let pjson   attendences toJSONString prettyPrint  false  let data    pjson  data using   utf8    as Data  request httpBody   data  Alamofire request request  responseJSON    response  in       print response

User · Answer

let parameters     quot foo quot    quot bar quot                         All three of these calls are equivalent     AF request  quot https   httpbin org post quot   method   post  parameters  parameters      AF request  quot https   httpbin org post quot   method   post  parameters  parameters  encoder  URLEncodedFormParameterEncoder default      AF request  quot https   httpbin org post quot   method   post  parameters  parameters  encoder  URLEncodedFormParameterEncoder destination   httpBody

User · Answer

My case  posting alamofire with content-type   Content-Type   application x-www-form-urlencoded   I had to change encoding of alampfire post request  from   JSONENCODING DEFAULT  to  URLEncoding httpBody  here   let url   ServicesURls register token       let body              UserName    Minus28            grant type    password            Password    1a29fcd1-2adb-4eaa-9abf-b86607f87085             DeviceNumber    e9c156d2ab5421e5              AppNotificationKey    test-test-test            RegistrationEmail   email           RegistrationPassword   password           RegistrationType   2           as  String   Any        Alamofire request url  method   post  parameters  body  encoding  URLEncoding httpBody   headers  setUpHeaders    log   responseJSON    response  in

User · Answer

I have done it for array from strings  This solution is adjusted for string in body   The  native  way from Alamofire 4    struct JSONStringArrayEncoding  ParameterEncoding       private let myString  String      init string  String            self myString   string            func encode   urlRequest  URLRequestConvertible  with parameters  Parameters   throws - gt  URLRequest           var urlRequest   urlRequest urlRequest          let data   myString data using   utf8            if urlRequest  value forHTTPHeaderField   Content-Type      nil               urlRequest  setValue  application json   forHTTPHeaderField   Content-Type                      urlRequest  httpBody   data          return urlRequest            And then make your request with   Alamofire request  your url string   method   post  parameters       encoding  JSONStringArrayEncoding init string   My string for body    headers

[ios] POST request with a simple string in body with Alamofire

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