(Objective-C) ipapi.co IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipapi.co 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: @"https://ipapi.co/149.250.207.170/json"];
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",
//   "city": "Bblingen",
//   "region": "Baden-Wrttemberg",
//   "region_code": null,
//   "country": "DE",
//   "country_name": "Germany",
//   "continent_code": "EU",
//   "in_eu": true,
//   "postal": null,
//   "latitude": null,
//   "longitude": null,
//   "timezone": null,
//   "utc_offset": null,
//   "country_calling_code": "+49",
//   "currency": "EUR",
//   "languages": "de",
//   "asn": "AS15854",
//   "org": "EntServ Deutschland GmbH"
// }

NSString *ip = 0;
NSString *city = 0;
NSString *region = 0;
NSString *region_code = 0;
NSString *country = 0;
NSString *country_name = 0;
NSString *continent_code = 0;
BOOL in_eu;
NSString *postal = 0;
NSString *latitude = 0;
NSString *longitude = 0;
NSString *timezone = 0;
NSString *utc_offset = 0;
NSString *country_calling_code = 0;
NSString *currency = 0;
NSString *languages = 0;
NSString *asn = 0;
NSString *org = 0;

ip = [json StringOf: @"ip"];
city = [json StringOf: @"city"];
region = [json StringOf: @"region"];
region_code = [json StringOf: @"region_code"];
country = [json StringOf: @"country"];
country_name = [json StringOf: @"country_name"];
continent_code = [json StringOf: @"continent_code"];
in_eu = [json BoolOf: @"in_eu"];
postal = [json StringOf: @"postal"];
latitude = [json StringOf: @"latitude"];
longitude = [json StringOf: @"longitude"];
timezone = [json StringOf: @"timezone"];
utc_offset = [json StringOf: @"utc_offset"];
country_calling_code = [json StringOf: @"country_calling_code"];
currency = [json StringOf: @"currency"];
languages = [json StringOf: @"languages"];
asn = [json StringOf: @"asn"];
org = [json StringOf: @"org"];