Chilkat Online Tools

PollForTask C# Example

AWS Data Pipeline

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

// URL: https://datapipeline.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = rest.Connect("datapipeline.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("hostname","string");
json.UpdateString("instanceIdentity.document","string");
json.UpdateString("instanceIdentity.signature","string");
json.UpdateString("workerGroup","string");

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

// {
//   "hostname": "string",
//   "instanceIdentity": {
//     "document": "string",
//     "signature": "string"
//   },
//   "workerGroup": "string"
// }

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

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 key;
string refValue;
string stringValue;

string AttemptId = jResp.StringOf("taskObject.attemptId");
string Id = jResp.StringOf("taskObject.objects.string.id");
string Name = jResp.StringOf("taskObject.objects.string.name");
string PipelineId = jResp.StringOf("taskObject.pipelineId");
string TaskId = jResp.StringOf("taskObject.taskId");
int i = 0;
int count_i = jResp.SizeOfArray("taskObject.objects.string.fields");
while (i < count_i) {
    jResp.I = i;
    key = jResp.StringOf("taskObject.objects.string.fields[i].key");
    refValue = jResp.StringOf("taskObject.objects.string.fields[i].refValue");
    stringValue = jResp.StringOf("taskObject.objects.string.fields[i].stringValue");
    i = i + 1;
}

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

// {
//   "taskObject": {
//     "attemptId": "string",
//     "objects": {
//       "string": {
//         "fields": [
//           {
//             "key": "string",
//             "refValue": "string",
//             "stringValue": "string"
//           }
//         ],
//         "id": "string",
//         "name": "string"
//       }
//     },
//     "pipelineId": "string",
//     "taskId": "string"
//   }
// }