Chilkat Online Tools

ListResolversByFunction delphiAx Example

AWS AppSync

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
Ttl: Integer;
dataSourceName: WideString;
fieldName: WideString;
kind: WideString;
maxBatchSize: Integer;
requestMappingTemplate: WideString;
resolverArn: WideString;
responseMappingTemplate: WideString;
ConflictDetection: WideString;
ConflictHandler: WideString;
LambdaConflictHandlerArn: WideString;
typeName: WideString;
j: Integer;
count_j: Integer;
strVal: WideString;
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 := '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','ListResolversByFunction');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/v1/apis/{apiId}/functions/{functionId}/resolvers',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('resolvers');
while i < count_i do
  begin
    jResp.I := i;
    Ttl := jResp.IntOf('resolvers[i].cachingConfig.ttl');
    dataSourceName := jResp.StringOf('resolvers[i].dataSourceName');
    fieldName := jResp.StringOf('resolvers[i].fieldName');
    kind := jResp.StringOf('resolvers[i].kind');
    maxBatchSize := jResp.IntOf('resolvers[i].maxBatchSize');
    requestMappingTemplate := jResp.StringOf('resolvers[i].requestMappingTemplate');
    resolverArn := jResp.StringOf('resolvers[i].resolverArn');
    responseMappingTemplate := jResp.StringOf('resolvers[i].responseMappingTemplate');
    ConflictDetection := jResp.StringOf('resolvers[i].syncConfig.conflictDetection');
    ConflictHandler := jResp.StringOf('resolvers[i].syncConfig.conflictHandler');
    LambdaConflictHandlerArn := jResp.StringOf('resolvers[i].syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn');
    typeName := jResp.StringOf('resolvers[i].typeName');
    j := 0;
    count_j := jResp.SizeOfArray('resolvers[i].cachingConfig.cachingKeys');
    while j < count_j do
      begin
        jResp.J := j;
        strVal := jResp.StringOf('resolvers[i].cachingConfig.cachingKeys[j]');
        j := j + 1;
      end;

    j := 0;
    count_j := jResp.SizeOfArray('resolvers[i].pipelineConfig.functions');
    while j < count_j do
      begin
        jResp.J := j;
        strVal := jResp.StringOf('resolvers[i].pipelineConfig.functions[j]');
        j := j + 1;
      end;

    i := i + 1;
  end;

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

// {
//   "nextToken": "string",
//   "resolvers": [
//     {
//       "cachingConfig": {
//         "cachingKeys": [
//           "string"
//         ],
//         "ttl": number
//       },
//       "dataSourceName": "string",
//       "fieldName": "string",
//       "kind": "string",
//       "maxBatchSize": number,
//       "pipelineConfig": {
//         "functions": [
//           "string"
//         ]
//       },
//       "requestMappingTemplate": "string",
//       "resolverArn": "string",
//       "responseMappingTemplate": "string",
//       "syncConfig": {
//         "conflictDetection": "string",
//         "conflictHandler": "string",
//         "lambdaConflictHandlerConfig": {
//           "lambdaConflictHandlerArn": "string"
//         }
//       },
//       "typeName": "string"
//     }
//   ]
// }