Delphi ActiveX Requires Chilkat v11.1.0+

POST JSON to REST API with non-us-ascii Chars Escaped

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Demonstrates how to POST to a REST API with non-usascii chars within JSON Unicode escaped. Delphi ActiveX

var
success: Integer;
rest: TChilkatRest;
bAutoReconnect: Integer;
json: TChilkatJsonObject;
sb: TChilkatStringBuilder;
sbResp: TChilkatStringBuilder;

begin
success := 0;

success := 0;

rest := TChilkatRest.Create(Self);

//  Connect using TLS.
bAutoReconnect := 1;
success := rest.Connect('chilkatsoft.com',443,1,bAutoReconnect);

//  Load JSON containing the following Korean text.

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

json := TChilkatJsonObject.Create(Self);
json.EmitCompact := 0;
success := json.LoadFile('qa_data/json/korean.json');
if (success = 0) then
  begin
    Memo1.Lines.Add(json.LastErrorText);
    Exit;
  end;

success := rest.AddHeader('Content-Type','application/json; charset=UTF-8');

sb := TChilkatStringBuilder.Create(Self);
json.EmitSb(sb.ControlInterface);
sb.Encode('unicodeescape','utf-8');

Memo1.Lines.Add(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"
//    }
//  }

sbResp := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/echo_request_body.asp',sb.ControlInterface,sbResp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

//  Show the response. 
Memo1.Lines.Add('Json Response: ' + sbResp.GetAsString());