Chilkat Online Tools

DescribeEventsDetectionJob delphiAx Example

Amazon Comprehend

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
strVal: WideString;
DataAccessRoleArn: WideString;
EndTime: Integer;
DocumentReadAction: WideString;
DocumentReadMode: WideString;
InputFormat: WideString;
S3Uri: WideString;
JobArn: WideString;
JobId: WideString;
JobName: WideString;
JobStatus: WideString;
LanguageCode: WideString;
Message: WideString;
KmsKeyId: WideString;
OutputDataConfigS3Uri: WideString;
SubmitTime: Integer;
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 := 'comprehend';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://comprehend.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('comprehend.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.UpdateString('JobId','string');

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

// {
//   "JobId": "string"
// }

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','Comprehend_20171127.DescribeEventsDetectionJob');

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

DataAccessRoleArn := jResp.StringOf('EventsDetectionJobProperties.DataAccessRoleArn');
EndTime := jResp.IntOf('EventsDetectionJobProperties.EndTime');
DocumentReadAction := jResp.StringOf('EventsDetectionJobProperties.InputDataConfig.DocumentReaderConfig.DocumentReadAction');
DocumentReadMode := jResp.StringOf('EventsDetectionJobProperties.InputDataConfig.DocumentReaderConfig.DocumentReadMode');
InputFormat := jResp.StringOf('EventsDetectionJobProperties.InputDataConfig.InputFormat');
S3Uri := jResp.StringOf('EventsDetectionJobProperties.InputDataConfig.S3Uri');
JobArn := jResp.StringOf('EventsDetectionJobProperties.JobArn');
JobId := jResp.StringOf('EventsDetectionJobProperties.JobId');
JobName := jResp.StringOf('EventsDetectionJobProperties.JobName');
JobStatus := jResp.StringOf('EventsDetectionJobProperties.JobStatus');
LanguageCode := jResp.StringOf('EventsDetectionJobProperties.LanguageCode');
Message := jResp.StringOf('EventsDetectionJobProperties.Message');
KmsKeyId := jResp.StringOf('EventsDetectionJobProperties.OutputDataConfig.KmsKeyId');
OutputDataConfigS3Uri := jResp.StringOf('EventsDetectionJobProperties.OutputDataConfig.S3Uri');
SubmitTime := jResp.IntOf('EventsDetectionJobProperties.SubmitTime');
i := 0;
count_i := jResp.SizeOfArray('EventsDetectionJobProperties.InputDataConfig.DocumentReaderConfig.FeatureTypes');
while i < count_i do
  begin
    jResp.I := i;
    strVal := jResp.StringOf('EventsDetectionJobProperties.InputDataConfig.DocumentReaderConfig.FeatureTypes[i]');
    i := i + 1;
  end;

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

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

// {
//   "EventsDetectionJobProperties": {
//     "DataAccessRoleArn": "string",
//     "EndTime": number,
//     "InputDataConfig": {
//       "DocumentReaderConfig": {
//         "DocumentReadAction": "string",
//         "DocumentReadMode": "string",
//         "FeatureTypes": [
//           "string"
//         ]
//       },
//       "InputFormat": "string",
//       "S3Uri": "string"
//     },
//     "JobArn": "string",
//     "JobId": "string",
//     "JobName": "string",
//     "JobStatus": "string",
//     "LanguageCode": "string",
//     "Message": "string",
//     "OutputDataConfig": {
//       "KmsKeyId": "string",
//       "S3Uri": "string"
//     },
//     "SubmitTime": number,
//     "TargetEventTypes": [
//       "string"
//     ]
//   }
// }