(Objective-C) POST JSON to REST API with non-us-ascii Chars Escaped

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Note: This example requires Chilkat v11.1.0 or greater.

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#import <CkoRest.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>

BOOL success = NO;

success = NO;

CkoRest *rest = [[CkoRest alloc] init];

// Connect using TLS.
BOOL bAutoReconnect = YES;
success = [rest Connect: @"chilkatsoft.com" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: bAutoReconnect];

// Load JSON containing the following Korean text.

//  {
//    "BillAddr": {
//       "Id": "239615",
//       "Line1": "류리하",
//       "Line2": "류리하류리하",
//       "City": "류리하류리하",
//       "Country": "US",
//       "CountrySubDivisionCode": "AK",
//       "PostalCode": "류리하"
//     }
// }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
json.EmitCompact = NO;
success = [json LoadFile: @"qa_data/json/korean.json"];
if (success == NO) {
    NSLog(@"%@",json.LastErrorText);
    return;
}

success = [rest AddHeader: @"Content-Type" value: @"application/json; charset=UTF-8"];

CkoStringBuilder *sb = [[CkoStringBuilder alloc] init];
[json EmitSb: sb];
[sb Encode: @"unicodeescape" charset: @"utf-8"];

NSLog(@"%@",[sb GetAsString]);

// The StringBuilder contains this:

// {
//   "BillAddr": {
//     "Id": "239615",
//     "Line1": "\ub958\ub9ac\ud558",
//     "Line2": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
//     "City": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
//     "Country": "US",
//     "CountrySubDivisionCode": "AK",
//     "PostalCode": "\ub958\ub9ac\ud558"
//   }
// }

CkoStringBuilder *sbResp = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/echo_request_body.asp" requestBody: sb responseBody: sbResp];
if (success == NO) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// Show the response. 
NSLog(@"%@%@",@"Json Response: ",[sbResp GetAsString]);