Chilkat Online Tools

GetMetricData delphiDll Example

Amazon Connect

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
Channel: PWideChar;
Arn: PWideChar;
Id: PWideChar;
j: Integer;
count_j: Integer;
Name: PWideChar;
Statistic: PWideChar;
Comparison: PWideChar;
ThresholdValue: Integer;
Unit: PWideChar;
Value: Integer;
NextToken: PWideChar;
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 := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'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.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'connect');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://connect.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'connect.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    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 := CkJsonObject_Create();
CkJsonObject_UpdateInt(json,'EndTime',123);
CkJsonObject_UpdateString(json,'Filters.Channels[0]','string');
CkJsonObject_UpdateString(json,'Filters.Queues[0]','string');
CkJsonObject_UpdateString(json,'Groupings[0]','string');
CkJsonObject_UpdateString(json,'HistoricalMetrics[0].Name','string');
CkJsonObject_UpdateString(json,'HistoricalMetrics[0].Statistic','string');
CkJsonObject_UpdateString(json,'HistoricalMetrics[0].Threshold.Comparison','string');
CkJsonObject_UpdateInt(json,'HistoricalMetrics[0].Threshold.ThresholdValue',123);
CkJsonObject_UpdateString(json,'HistoricalMetrics[0].Unit','string');
CkJsonObject_UpdateInt(json,'MaxResults',123);
CkJsonObject_UpdateString(json,'NextToken','string');
CkJsonObject_UpdateInt(json,'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
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','GetMetricData');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/metrics/historical/{InstanceId}',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,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

NextToken := CkJsonObject__stringOf(jResp,'NextToken');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'MetricResults');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    Channel := CkJsonObject__stringOf(jResp,'MetricResults[i].Dimensions.Channel');
    Arn := CkJsonObject__stringOf(jResp,'MetricResults[i].Dimensions.Queue.Arn');
    Id := CkJsonObject__stringOf(jResp,'MetricResults[i].Dimensions.Queue.Id');
    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'MetricResults[i].Collections');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        Name := CkJsonObject__stringOf(jResp,'MetricResults[i].Collections[j].Metric.Name');
        Statistic := CkJsonObject__stringOf(jResp,'MetricResults[i].Collections[j].Metric.Statistic');
        Comparison := CkJsonObject__stringOf(jResp,'MetricResults[i].Collections[j].Metric.Threshold.Comparison');
        ThresholdValue := CkJsonObject_IntOf(jResp,'MetricResults[i].Collections[j].Metric.Threshold.ThresholdValue');
        Unit := CkJsonObject__stringOf(jResp,'MetricResults[i].Collections[j].Metric.Unit');
        Value := CkJsonObject_IntOf(jResp,'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"
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);