GetMetricData delphiAx Example
var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
Channel: WideString;
Arn: WideString;
Id: WideString;
j: Integer;
count_j: Integer;
Name: WideString;
Statistic: WideString;
Comparison: WideString;
ThresholdValue: Integer;
Unit: WideString;
Value: Integer;
NextToken: WideString;
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 := 'connect';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);
// URL: https://connect.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('connect.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.UpdateInt('EndTime',123);
json.UpdateString('Filters.Channels[0]','string');
json.UpdateString('Filters.Queues[0]','string');
json.UpdateString('Groupings[0]','string');
json.UpdateString('HistoricalMetrics[0].Name','string');
json.UpdateString('HistoricalMetrics[0].Statistic','string');
json.UpdateString('HistoricalMetrics[0].Threshold.Comparison','string');
json.UpdateInt('HistoricalMetrics[0].Threshold.ThresholdValue',123);
json.UpdateString('HistoricalMetrics[0].Unit','string');
json.UpdateInt('MaxResults',123);
json.UpdateString('NextToken','string');
json.UpdateInt('StartTime',123);
// The JSON request body created by the above code:
// {
// "EndTime": number,
// "Filters": {
// "Channels": [
// "string"
// ],
// "Queues": [
// "string"
// ]
// },
// "Groupings": [
// "string"
// ],
// "HistoricalMetrics": [
// {
// "Name": "string",
// "Statistic": "string",
// "Threshold": {
// "Comparison": "string",
// "ThresholdValue": number
// },
// "Unit": "string"
// }
// ],
// "MaxResults": number,
// "NextToken": "string",
// "StartTime": number
// }
rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','GetMetricData');
sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/metrics/historical/{InstanceId}',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
NextToken := jResp.StringOf('NextToken');
i := 0;
count_i := jResp.SizeOfArray('MetricResults');
while i < count_i do
begin
jResp.I := i;
Channel := jResp.StringOf('MetricResults[i].Dimensions.Channel');
Arn := jResp.StringOf('MetricResults[i].Dimensions.Queue.Arn');
Id := jResp.StringOf('MetricResults[i].Dimensions.Queue.Id');
j := 0;
count_j := jResp.SizeOfArray('MetricResults[i].Collections');
while j < count_j do
begin
jResp.J := j;
Name := jResp.StringOf('MetricResults[i].Collections[j].Metric.Name');
Statistic := jResp.StringOf('MetricResults[i].Collections[j].Metric.Statistic');
Comparison := jResp.StringOf('MetricResults[i].Collections[j].Metric.Threshold.Comparison');
ThresholdValue := jResp.IntOf('MetricResults[i].Collections[j].Metric.Threshold.ThresholdValue');
Unit := jResp.StringOf('MetricResults[i].Collections[j].Metric.Unit');
Value := jResp.IntOf('MetricResults[i].Collections[j].Value');
j := j + 1;
end;
i := i + 1;
end;
// A sample JSON response body parsed by the above code:
// {
// "MetricResults": [
// {
// "Collections": [
// {
// "Metric": {
// "Name": "string",
// "Statistic": "string",
// "Threshold": {
// "Comparison": "string",
// "ThresholdValue": number
// },
// "Unit": "string"
// },
// "Value": number
// }
// ],
// "Dimensions": {
// "Channel": "string",
// "Queue": {
// "Arn": "string",
// "Id": "string"
// }
// }
// }
// ],
// "NextToken": "string"
// }