Chilkat Online Tools

GetFunction delphiAx Example

AWS AppSync

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
DataSourceName: WideString;
Description: WideString;
FunctionArn: WideString;
FunctionId: WideString;
FunctionVersion: WideString;
MaxBatchSize: Integer;
Name: WideString;
RequestMappingTemplate: WideString;
ResponseMappingTemplate: WideString;
ConflictDetection: WideString;
ConflictHandler: WideString;
LambdaConflictHandlerArn: WideString;

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

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

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/v1/apis/{apiId}/functions/{functionId}',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

DataSourceName := jResp.StringOf('functionConfiguration.dataSourceName');
Description := jResp.StringOf('functionConfiguration.description');
FunctionArn := jResp.StringOf('functionConfiguration.functionArn');
FunctionId := jResp.StringOf('functionConfiguration.functionId');
FunctionVersion := jResp.StringOf('functionConfiguration.functionVersion');
MaxBatchSize := jResp.IntOf('functionConfiguration.maxBatchSize');
Name := jResp.StringOf('functionConfiguration.name');
RequestMappingTemplate := jResp.StringOf('functionConfiguration.requestMappingTemplate');
ResponseMappingTemplate := jResp.StringOf('functionConfiguration.responseMappingTemplate');
ConflictDetection := jResp.StringOf('functionConfiguration.syncConfig.conflictDetection');
ConflictHandler := jResp.StringOf('functionConfiguration.syncConfig.conflictHandler');
LambdaConflictHandlerArn := jResp.StringOf('functionConfiguration.syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn');

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

// {
//   "functionConfiguration": {
//     "dataSourceName": "string",
//     "description": "string",
//     "functionArn": "string",
//     "functionId": "string",
//     "functionVersion": "string",
//     "maxBatchSize": number,
//     "name": "string",
//     "requestMappingTemplate": "string",
//     "responseMappingTemplate": "string",
//     "syncConfig": {
//       "conflictDetection": "string",
//       "conflictHandler": "string",
//       "lambdaConflictHandlerConfig": {
//         "lambdaConflictHandlerArn": "string"
//       }
//     }
//   }
// }