Chilkat Online Tools

ListFunctions delphiDll Example

AWS AppSync

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
dataSourceName: PWideChar;
description: PWideChar;
functionArn: PWideChar;
functionId: PWideChar;
functionVersion: PWideChar;
maxBatchSize: Integer;
name: PWideChar;
requestMappingTemplate: PWideChar;
responseMappingTemplate: PWideChar;
ConflictDetection: PWideChar;
ConflictHandler: PWideChar;
LambdaConflictHandlerArn: PWideChar;
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,'appsync');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

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

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/v1/apis/{apiId}/functions',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,'functions');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    dataSourceName := CkJsonObject__stringOf(jResp,'functions[i].dataSourceName');
    description := CkJsonObject__stringOf(jResp,'functions[i].description');
    functionArn := CkJsonObject__stringOf(jResp,'functions[i].functionArn');
    functionId := CkJsonObject__stringOf(jResp,'functions[i].functionId');
    functionVersion := CkJsonObject__stringOf(jResp,'functions[i].functionVersion');
    maxBatchSize := CkJsonObject_IntOf(jResp,'functions[i].maxBatchSize');
    name := CkJsonObject__stringOf(jResp,'functions[i].name');
    requestMappingTemplate := CkJsonObject__stringOf(jResp,'functions[i].requestMappingTemplate');
    responseMappingTemplate := CkJsonObject__stringOf(jResp,'functions[i].responseMappingTemplate');
    ConflictDetection := CkJsonObject__stringOf(jResp,'functions[i].syncConfig.conflictDetection');
    ConflictHandler := CkJsonObject__stringOf(jResp,'functions[i].syncConfig.conflictHandler');
    LambdaConflictHandlerArn := CkJsonObject__stringOf(jResp,'functions[i].syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn');
    i := i + 1;
  end;

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

// {
//   "functions": [
//     {
//       "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"
//         }
//       }
//     }
//   ],
//   "nextToken": "string"
// }

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