Pascal (Lazarus/Delphi)

Refinitiv World-Check One - Synchronous Screening (POST)

See more Refinitiv Examples

Sends a signed POST request to do simple synchronous screening. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  json: TJsonObject;
  http: THttp;
  jsonBody: TJsonObject;
  resp: THttpResponse;
  jsonResp: TJsonObject;

begin
  success := False;

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

  json := TJsonObject.Create;

  //  Create the following JSON:
  //  
  //  {
  //    "keyId": "aaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
  //    "hmacKey": "xxxxzI3vi58xxxCBxxx1+P/d8tGxx7KuLqN/KMPNxxxxekhj8/bx83+1YQSUxxxxYyv939ceY06GvhYRKmxxxx==",
  //    "algorithm": "hmac-sha256",
  //    "headers": [
  //      "(request-target)",
  //      "host",
  //      "date",
  //      "content-type",
  //      "content-length"
  //    ]
  //  }

  //  Substitute your actual API key and API secret in place of "api-key" and "api-secret"
  json.UpdateString('keyId','api-key');
  json.UpdateString('hmacKey','api-secret');
  json.UpdateString('algorithm','hmac-sha256');
  json.UpdateString('headers[0]','(request-target)');
  json.UpdateString('headers[1]','host');
  json.UpdateString('headers[2]','date');
  json.UpdateString('headers[3]','content-type');
  json.UpdateString('headers[4]','content-length');

  http := THttp.Create;

  //  Setting the AuthSignature property causes the following header to be computed and added:
  //  Authorization: Signature keyId="...", algorithm="hmac-sha256", headers="(request-target) host date content-type content-length", signature="..."
  http.AuthSignature := json.Emit();

  //  Build the following JSON to be sent in the POST request body.

  //  {
  //      "groupId": "{{group-id}}",
  //      "entityType": "ORGANISATION",
  //      "caseId": "",
  //      "providerTypes": [
  //          "WATCHLIST"
  //      ],
  //      "name": "COMPANY NAME",
  //      "nameTransposition": false,
  //      "secondaryFields": [],
  //      "customFields": []
  //  }

  //  Use this online tool to generate code from sample JSON: 
  //  Generate Code to Create JSON

  jsonBody := TJsonObject.Create;
  jsonBody.UpdateString('groupId','{{group-id}}');
  jsonBody.UpdateString('entityType','ORGANISATION');
  jsonBody.UpdateString('caseId','');
  jsonBody.UpdateString('providerTypes[0]','WATCHLIST');
  jsonBody.UpdateString('name','COMPANY NAME');
  jsonBody.UpdateBool('nameTransposition',False);
  jsonBody.UpdateNewArray('secondaryFields');
  jsonBody.UpdateNewArray('customFields');

  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://api-worldcheck.refinitiv.com/v2/cases/screeningRequest',jsonBody,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('Response status code = ' + resp.StatusCode);

  jsonResp := TJsonObject.Create;
  jsonResp.Load(resp.BodyStr);

  jsonResp.EmitCompact := False;
  WriteLn(jsonResp.Emit());

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


  json.Free;
  http.Free;
  jsonBody.Free;
  resp.Free;
  jsonResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.