Chilkat Online Tools

GetCatalogItem delphiAx Example

AWS Outposts

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
Family: WideString;
MaxSize: WideString;
Quantity: WideString;
strVal: WideString;
intVal: Integer;
CatalogItemId: WideString;
ItemStatus: WideString;
PowerKva: Integer;
WeightLbs: Integer;
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 := 'outposts';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://outposts.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('outposts.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;

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','GetCatalogItem');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/catalog/item/{CatalogItemId}',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

CatalogItemId := jResp.StringOf('CatalogItem.CatalogItemId');
ItemStatus := jResp.StringOf('CatalogItem.ItemStatus');
PowerKva := jResp.IntOf('CatalogItem.PowerKva');
WeightLbs := jResp.IntOf('CatalogItem.WeightLbs');
i := 0;
count_i := jResp.SizeOfArray('CatalogItem.EC2Capacities');
while i < count_i do
  begin
    jResp.I := i;
    Family := jResp.StringOf('CatalogItem.EC2Capacities[i].Family');
    MaxSize := jResp.StringOf('CatalogItem.EC2Capacities[i].MaxSize');
    Quantity := jResp.StringOf('CatalogItem.EC2Capacities[i].Quantity');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('CatalogItem.SupportedStorage');
while i < count_i do
  begin
    jResp.I := i;
    strVal := jResp.StringOf('CatalogItem.SupportedStorage[i]');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('CatalogItem.SupportedUplinkGbps');
while i < count_i do
  begin
    jResp.I := i;
    intVal := jResp.IntOf('CatalogItem.SupportedUplinkGbps[i]');
    i := i + 1;
  end;

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

// {
//   "CatalogItem": {
//     "CatalogItemId": "string",
//     "EC2Capacities": [
//       {
//         "Family": "string",
//         "MaxSize": "string",
//         "Quantity": "string"
//       }
//     ],
//     "ItemStatus": "string",
//     "PowerKva": number,
//     "SupportedStorage": [
//       "string"
//     ],
//     "SupportedUplinkGbps": [
//       number
//     ],
//     "WeightLbs": number
//   }
// }