Chilkat Online Tools

CreateChannel delphiAx Example

Amazon Interactive Video Service

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
Arn: WideString;
Authorized: Integer;
IngestEndpoint: WideString;
LatencyMode: WideString;
Name: WideString;
PlaybackUrl: WideString;
RecordingConfigurationArn: WideString;
v_String: WideString;
v_Type: WideString;
streamKeyArn: WideString;
ChannelArn: WideString;
TagsString: WideString;
Value: WideString;

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 := 'ivs';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://ivs.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('ivs.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('authorized',123);
json.UpdateString('latencyMode','string');
json.UpdateString('name','string');
json.UpdateString('recordingConfigurationArn','string');
json.UpdateString('tags.string','string');
json.UpdateString('type','string');

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

// {
//   "authorized": boolean,
//   "latencyMode": "string",
//   "name": "string",
//   "recordingConfigurationArn": "string",
//   "tags": {
//     "string": "string"
//   },
//   "type": "string"
// }

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

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/CreateChannel',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

Arn := jResp.StringOf('channel.arn');
Authorized := jResp.IntOf('channel.authorized');
IngestEndpoint := jResp.StringOf('channel.ingestEndpoint');
LatencyMode := jResp.StringOf('channel.latencyMode');
Name := jResp.StringOf('channel.name');
PlaybackUrl := jResp.StringOf('channel.playbackUrl');
RecordingConfigurationArn := jResp.StringOf('channel.recordingConfigurationArn');
v_String := jResp.StringOf('channel.tags.string');
v_Type := jResp.StringOf('channel.type');
streamKeyArn := jResp.StringOf('streamKey.arn');
ChannelArn := jResp.StringOf('streamKey.channelArn');
TagsString := jResp.StringOf('streamKey.tags.string');
Value := jResp.StringOf('streamKey.value');

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

// {
//   "channel": {
//     "arn": "string",
//     "authorized": boolean,
//     "ingestEndpoint": "string",
//     "latencyMode": "string",
//     "name": "string",
//     "playbackUrl": "string",
//     "recordingConfigurationArn": "string",
//     "tags": {
//       "string": "string"
//     },
//     "type": "string"
//   },
//   "streamKey": {
//     "arn": "string",
//     "channelArn": "string",
//     "tags": {
//       "string": "string"
//     },
//     "value": "string"
//   }
// }