(Objective-C) ipstack.com IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipstack.com REST API.

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#import <CkoHttp.h>
#import <NSString.h>
#import <CkoJsonObject.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];

// Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
NSString *jsonStr = [http QuickGetStr: @"http://api.ipstack.com/149.250.207.170?access_key=YOUR_ACCESS_KEY"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
json.EmitCompact = NO;
BOOL success = [json Load: jsonStr];

NSLog(@"%@",[json Emit]);

// Sample output:
// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// {
//   "ip": "149.250.207.170",
//   "type": "ipv4",
//   "continent_code": "EU",
//   "continent_name": "Europe",
//   "country_code": "DE",
//   "country_name": "Germany",
//   "region_code": null,
//   "region_name": null,
//   "city": null,
//   "zip": null,
//   "latitude": 51.2993,
//   "longitude": 9.491,
//   "location": {
//     "geoname_id": null,
//     "capital": "Berlin",
//     "languages": [
//       {
//         "code": "de",
//         "name": "German",
//         "native": "Deutsch"
//       }
//     ],
//     "country_flag": "http:\/\/assets.ipstack.com\/flags\/de.svg",
//     "country_flag_emoji": "\ud83c\udde9\ud83c\uddea",
//     "country_flag_emoji_unicode": "U+1F1E9 U+1F1EA",
//     "calling_code": "49",
//     "is_eu": true
//   }
// }

NSString *ip = 0;
NSString *v_type = 0;
NSString *continent_code = 0;
NSString *continent_name = 0;
NSString *country_code = 0;
NSString *country_name = 0;
NSString *region_code = 0;
NSString *region_name = 0;
NSString *city = 0;
NSString *zip = 0;
NSString *latitude = 0;
NSString *longitude = 0;
NSString *locationGeoname_id = 0;
NSString *locationCapital = 0;
NSString *locationCountry_flag = 0;
NSString *locationCountry_flag_emoji = 0;
NSString *locationCountry_flag_emoji_unicode = 0;
NSString *locationCalling_code = 0;
BOOL locationIs_eu;
int i;
int count_i;
NSString *code = 0;
NSString *name = 0;
NSString *native = 0;

ip = [json StringOf: @"ip"];
v_type = [json StringOf: @"type"];
continent_code = [json StringOf: @"continent_code"];
continent_name = [json StringOf: @"continent_name"];
country_code = [json StringOf: @"country_code"];
country_name = [json StringOf: @"country_name"];
region_code = [json StringOf: @"region_code"];
region_name = [json StringOf: @"region_name"];
city = [json StringOf: @"city"];
zip = [json StringOf: @"zip"];
latitude = [json StringOf: @"latitude"];
longitude = [json StringOf: @"longitude"];
locationGeoname_id = [json StringOf: @"location.geoname_id"];
locationCapital = [json StringOf: @"location.capital"];
locationCountry_flag = [json StringOf: @"location.country_flag"];
locationCountry_flag_emoji = [json StringOf: @"location.country_flag_emoji"];
locationCountry_flag_emoji_unicode = [json StringOf: @"location.country_flag_emoji_unicode"];
locationCalling_code = [json StringOf: @"location.calling_code"];
locationIs_eu = [json BoolOf: @"location.is_eu"];
i = 0;
count_i = [[json SizeOfArray: @"location.languages"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    code = [json StringOf: @"location.languages[i].code"];
    name = [json StringOf: @"location.languages[i].name"];
    native = [json StringOf: @"location.languages[i].native"];
    i = i + 1;
}