Chilkat Online Tools

CreateEntityRecognizer delphiAx Example

Amazon Comprehend

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
EntityRecognizerArn: 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 := '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('ClientRequestToken','string');
json.UpdateString('DataAccessRoleArn','string');
json.UpdateString('InputDataConfig.Annotations.S3Uri','string');
json.UpdateString('InputDataConfig.Annotations.TestS3Uri','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].AnnotationDataS3Uri','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].AttributeNames[0]','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].DocumentType','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].S3Uri','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].SourceDocumentsS3Uri','string');
json.UpdateString('InputDataConfig.AugmentedManifests[0].Split','string');
json.UpdateString('InputDataConfig.DataFormat','string');
json.UpdateString('InputDataConfig.Documents.InputFormat','string');
json.UpdateString('InputDataConfig.Documents.S3Uri','string');
json.UpdateString('InputDataConfig.Documents.TestS3Uri','string');
json.UpdateString('InputDataConfig.EntityList.S3Uri','string');
json.UpdateString('InputDataConfig.EntityTypes[0].Type','string');
json.UpdateString('LanguageCode','string');
json.UpdateString('ModelKmsKeyId','string');
json.UpdateString('ModelPolicy','string');
json.UpdateString('RecognizerName','string');
json.UpdateString('Tags[0].Key','string');
json.UpdateString('Tags[0].Value','string');
json.UpdateString('VersionName','string');
json.UpdateString('VolumeKmsKeyId','string');
json.UpdateString('VpcConfig.SecurityGroupIds[0]','string');
json.UpdateString('VpcConfig.Subnets[0]','string');

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

// {
//   "ClientRequestToken": "string",
//   "DataAccessRoleArn": "string",
//   "InputDataConfig": {
//     "Annotations": {
//       "S3Uri": "string",
//       "TestS3Uri": "string"
//     },
//     "AugmentedManifests": [
//       {
//         "AnnotationDataS3Uri": "string",
//         "AttributeNames": [
//           "string"
//         ],
//         "DocumentType": "string",
//         "S3Uri": "string",
//         "SourceDocumentsS3Uri": "string",
//         "Split": "string"
//       }
//     ],
//     "DataFormat": "string",
//     "Documents": {
//       "InputFormat": "string",
//       "S3Uri": "string",
//       "TestS3Uri": "string"
//     },
//     "EntityList": {
//       "S3Uri": "string"
//     },
//     "EntityTypes": [
//       {
//         "Type": "string"
//       }
//     ]
//   },
//   "LanguageCode": "string",
//   "ModelKmsKeyId": "string",
//   "ModelPolicy": "string",
//   "RecognizerName": "string",
//   "Tags": [
//     {
//       "Key": "string",
//       "Value": "string"
//     }
//   ],
//   "VersionName": "string",
//   "VolumeKmsKeyId": "string",
//   "VpcConfig": {
//     "SecurityGroupIds": [
//       "string"
//     ],
//     "Subnets": [
//       "string"
//     ]
//   }
// }

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

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

EntityRecognizerArn := jResp.StringOf('EntityRecognizerArn');

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

// {
//   "EntityRecognizerArn": "string"
// }