Chilkat Online Tools

StartEventsDetectionJob Node.js Example

Amazon Comprehend

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node17-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node17-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node17-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node17-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node17-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node17-macosx');
}

function chilkatExample() {

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

    var rest = new chilkat.Rest();
    var success;

    var 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) {
        console.log("ConnectFailReason: " + rest.ConnectFailReason);
        console.log(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

    var 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("TargetEventTypes[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"
    //     }
    //   ],
    //   "TargetEventTypes": [
    //     "string"
    //   ]
    // }

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

    var sbRequestBody = new chilkat.StringBuilder();
    json.EmitSb(sbRequestBody);
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var respStatusCode = rest.ResponseStatusCode;
    console.log("response status code = " + respStatusCode);
    if (respStatusCode !== 200) {
        console.log("Response Header:");
        console.log(rest.ResponseHeader);
        console.log("Response Body:");
        console.log(sbResponseBody.GetAsString());
        return;
    }

    var 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

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

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

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

}

chilkatExample();