Chilkat Online Tools

CreateEventSubscription delphiAx Example

AWS Database Migration Service

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
strVal: WideString;
CustomerAwsId: WideString;
CustSubscriptionId: WideString;
Enabled: Integer;
SnsTopicArn: WideString;
SourceType: WideString;
Status: WideString;
SubscriptionCreationTime: WideString;
i: Integer;
count_i: Integer;

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

rest := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := '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.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'dms';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://dms.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('dms.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    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 := TChilkatJsonObject.Create(Self);
json.UpdateInt('Enabled',123);
json.UpdateString('EventCategories[0]','string');
json.UpdateString('SnsTopicArn','string');
json.UpdateString('SourceIds[0]','string');
json.UpdateString('SourceType','string');
json.UpdateString('SubscriptionName','string');
json.UpdateString('Tags[0].Key','string');
json.UpdateString('Tags[0].ResourceArn','string');
json.UpdateString('Tags[0].Value','string');

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

// {
//   "Enabled": boolean,
//   "EventCategories": [
//     "string"
//   ],
//   "SnsTopicArn": "string",
//   "SourceIds": [
//     "string"
//   ],
//   "SourceType": "string",
//   "SubscriptionName": "string",
//   "Tags": [
//     {
//       "Key": "string",
//       "ResourceArn": "string",
//       "Value": "string"
//     }
//   ]
// }

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','AmazonDMSv20160101.CreateEventSubscription');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

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

CustomerAwsId := jResp.StringOf('EventSubscription.CustomerAwsId');
CustSubscriptionId := jResp.StringOf('EventSubscription.CustSubscriptionId');
Enabled := jResp.IntOf('EventSubscription.Enabled');
SnsTopicArn := jResp.StringOf('EventSubscription.SnsTopicArn');
SourceType := jResp.StringOf('EventSubscription.SourceType');
Status := jResp.StringOf('EventSubscription.Status');
SubscriptionCreationTime := jResp.StringOf('EventSubscription.SubscriptionCreationTime');
i := 0;
count_i := jResp.SizeOfArray('EventSubscription.EventCategoriesList');
while i < count_i do
  begin
    jResp.I := i;
    strVal := jResp.StringOf('EventSubscription.EventCategoriesList[i]');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('EventSubscription.SourceIdsList');
while i < count_i do
  begin
    jResp.I := i;
    strVal := jResp.StringOf('EventSubscription.SourceIdsList[i]');
    i := i + 1;
  end;

// A sample JSON response body parsed by the above code:

// {
//   "EventSubscription": {
//     "CustomerAwsId": "string",
//     "CustSubscriptionId": "string",
//     "Enabled": boolean,
//     "EventCategoriesList": [
//       "string"
//     ],
//     "SnsTopicArn": "string",
//     "SourceIdsList": [
//       "string"
//     ],
//     "SourceType": "string",
//     "Status": "string",
//     "SubscriptionCreationTime": "string"
//   }
// }