Chilkat Online Tools

StartSentimentDetectionJob C# Example

Amazon Comprehend

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

Chilkat.Rest rest = new Chilkat.Rest();
bool success;

Chilkat.AuthAws authAws = new Chilkat.AuthAws();
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);

// 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,true,true);
if (success != true) {
    Debug.WriteLine("ConnectFailReason: " + Convert.ToString(rest.ConnectFailReason));
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// 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

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("ClientRequestToken","string");
json.UpdateString("DataAccessRoleArn","string");
json.UpdateString("InputDataConfig.DocumentReaderConfig.DocumentReadAction","string");
json.UpdateString("InputDataConfig.DocumentReaderConfig.DocumentReadMode","string");
json.UpdateString("InputDataConfig.DocumentReaderConfig.FeatureTypes[0]","string");
json.UpdateString("InputDataConfig.InputFormat","string");
json.UpdateString("InputDataConfig.S3Uri","string");
json.UpdateString("JobName","string");
json.UpdateString("LanguageCode","string");
json.UpdateString("OutputDataConfig.KmsKeyId","string");
json.UpdateString("OutputDataConfig.S3Uri","string");
json.UpdateString("Tags[0].Key","string");
json.UpdateString("Tags[0].Value","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": {
//     "DocumentReaderConfig": {
//       "DocumentReadAction": "string",
//       "DocumentReadMode": "string",
//       "FeatureTypes": [
//         "string"
//       ]
//     },
//     "InputFormat": "string",
//     "S3Uri": "string"
//   },
//   "JobName": "string",
//   "LanguageCode": "string",
//   "OutputDataConfig": {
//     "KmsKeyId": "string",
//     "S3Uri": "string"
//   },
//   "Tags": [
//     {
//       "Key": "string",
//       "Value": "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.StartSentimentDetectionJob");

Chilkat.StringBuilder sbRequestBody = new Chilkat.StringBuilder();
json.EmitSb(sbRequestBody);
Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

int respStatusCode = rest.ResponseStatusCode;
Debug.WriteLine("response status code = " + Convert.ToString(respStatusCode));
if (respStatusCode != 200) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(rest.ResponseHeader);
    Debug.WriteLine("Response Body:");
    Debug.WriteLine(sbResponseBody.GetAsString());
    return;
}

Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);

// 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

string JobArn = jResp.StringOf("JobArn");
string JobId = jResp.StringOf("JobId");
string JobStatus = jResp.StringOf("JobStatus");

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

// {
//   "JobArn": "string",
//   "JobId": "string",
//   "JobStatus": "string"
// }