Chilkat Online Tools

CreateWorkGroup delphiDll Example

Athena

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;

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

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'athena');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://athena.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'athena.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

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

json := CkJsonObject_Create();
CkJsonObject_UpdateInt(json,'Configuration.BytesScannedCutoffPerQuery',123);
CkJsonObject_UpdateInt(json,'Configuration.EnforceWorkGroupConfiguration',123);
CkJsonObject_UpdateString(json,'Configuration.EngineVersion.EffectiveEngineVersion','string');
CkJsonObject_UpdateString(json,'Configuration.EngineVersion.SelectedEngineVersion','string');
CkJsonObject_UpdateInt(json,'Configuration.PublishCloudWatchMetricsEnabled',123);
CkJsonObject_UpdateInt(json,'Configuration.RequesterPaysEnabled',123);
CkJsonObject_UpdateString(json,'Configuration.ResultConfiguration.AclConfiguration.S3AclOption','string');
CkJsonObject_UpdateString(json,'Configuration.ResultConfiguration.EncryptionConfiguration.EncryptionOption','string');
CkJsonObject_UpdateString(json,'Configuration.ResultConfiguration.EncryptionConfiguration.KmsKey','string');
CkJsonObject_UpdateString(json,'Configuration.ResultConfiguration.ExpectedBucketOwner','string');
CkJsonObject_UpdateString(json,'Configuration.ResultConfiguration.OutputLocation','string');
CkJsonObject_UpdateString(json,'Description','string');
CkJsonObject_UpdateString(json,'Name','string');
CkJsonObject_UpdateString(json,'Tags[0].Key','string');
CkJsonObject_UpdateString(json,'Tags[0].Value','string');

// The JSON request body created by the above code:

// {
//   "Configuration": {
//     "BytesScannedCutoffPerQuery": number,
//     "EnforceWorkGroupConfiguration": boolean,
//     "EngineVersion": {
//       "EffectiveEngineVersion": "string",
//       "SelectedEngineVersion": "string"
//     },
//     "PublishCloudWatchMetricsEnabled": boolean,
//     "RequesterPaysEnabled": boolean,
//     "ResultConfiguration": {
//       "AclConfiguration": {
//         "S3AclOption": "string"
//       },
//       "EncryptionConfiguration": {
//         "EncryptionOption": "string",
//         "KmsKey": "string"
//       },
//       "ExpectedBucketOwner": "string",
//       "OutputLocation": "string"
//     }
//   },
//   "Description": "string",
//   "Name": "string",
//   "Tags": [
//     {
//       "Key": "string",
//       "Value": "string"
//     }
//   ]
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','AmazonAthena.CreateWorkGroup');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

// If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);