Chilkat Online Tools

GetCatalogItem delphiDll Example

AWS Outposts

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
Family: PWideChar;
MaxSize: PWideChar;
Quantity: PWideChar;
strVal: PWideChar;
intVal: Integer;
CatalogItemId: PWideChar;
ItemStatus: PWideChar;
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 := 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,'outposts');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

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

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

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/catalog/item/{CatalogItemId}',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

CatalogItemId := CkJsonObject__stringOf(jResp,'CatalogItem.CatalogItemId');
ItemStatus := CkJsonObject__stringOf(jResp,'CatalogItem.ItemStatus');
PowerKva := CkJsonObject_IntOf(jResp,'CatalogItem.PowerKva');
WeightLbs := CkJsonObject_IntOf(jResp,'CatalogItem.WeightLbs');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'CatalogItem.EC2Capacities');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    Family := CkJsonObject__stringOf(jResp,'CatalogItem.EC2Capacities[i].Family');
    MaxSize := CkJsonObject__stringOf(jResp,'CatalogItem.EC2Capacities[i].MaxSize');
    Quantity := CkJsonObject__stringOf(jResp,'CatalogItem.EC2Capacities[i].Quantity');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'CatalogItem.SupportedStorage');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    strVal := CkJsonObject__stringOf(jResp,'CatalogItem.SupportedStorage[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'CatalogItem.SupportedUplinkGbps');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    intVal := CkJsonObject_IntOf(jResp,'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
//   }
// }

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