Chilkat Online Tools

ListDataSources delphiAx Example

AWS AppSync

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
dataSourceArn: WideString;
description: WideString;
AwsRegion: WideString;
BaseTableTTL: Integer;
DeltaSyncTableName: WideString;
DeltaSyncTableTTL: Integer;
TableName: WideString;
UseCallerCredentials: Integer;
Versioned: Integer;
elasticsearchConfigAwsRegion: WideString;
Endpoint: WideString;
AuthorizationType: WideString;
SigningRegion: WideString;
SigningServiceName: WideString;
httpConfigEndpoint: WideString;
LambdaFunctionArn: WideString;
name: WideString;
openSearchServiceConfigAwsRegion: WideString;
openSearchServiceConfigEndpoint: WideString;
RdsHttpEndpointConfigAwsRegion: WideString;
AwsSecretStoreArn: WideString;
DatabaseName: WideString;
DbClusterIdentifier: WideString;
Schema: WideString;
RelationalDatabaseSourceType: WideString;
serviceRoleArn: WideString;
v_type: 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','ListDataSources');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/v1/apis/{apiId}/datasources',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('dataSources');
while i < count_i do
  begin
    jResp.I := i;
    dataSourceArn := jResp.StringOf('dataSources[i].dataSourceArn');
    description := jResp.StringOf('dataSources[i].description');
    AwsRegion := jResp.StringOf('dataSources[i].dynamodbConfig.awsRegion');
    BaseTableTTL := jResp.IntOf('dataSources[i].dynamodbConfig.deltaSyncConfig.baseTableTTL');
    DeltaSyncTableName := jResp.StringOf('dataSources[i].dynamodbConfig.deltaSyncConfig.deltaSyncTableName');
    DeltaSyncTableTTL := jResp.IntOf('dataSources[i].dynamodbConfig.deltaSyncConfig.deltaSyncTableTTL');
    TableName := jResp.StringOf('dataSources[i].dynamodbConfig.tableName');
    UseCallerCredentials := jResp.IntOf('dataSources[i].dynamodbConfig.useCallerCredentials');
    Versioned := jResp.IntOf('dataSources[i].dynamodbConfig.versioned');
    elasticsearchConfigAwsRegion := jResp.StringOf('dataSources[i].elasticsearchConfig.awsRegion');
    Endpoint := jResp.StringOf('dataSources[i].elasticsearchConfig.endpoint');
    AuthorizationType := jResp.StringOf('dataSources[i].httpConfig.authorizationConfig.authorizationType');
    SigningRegion := jResp.StringOf('dataSources[i].httpConfig.authorizationConfig.awsIamConfig.signingRegion');
    SigningServiceName := jResp.StringOf('dataSources[i].httpConfig.authorizationConfig.awsIamConfig.signingServiceName');
    httpConfigEndpoint := jResp.StringOf('dataSources[i].httpConfig.endpoint');
    LambdaFunctionArn := jResp.StringOf('dataSources[i].lambdaConfig.lambdaFunctionArn');
    name := jResp.StringOf('dataSources[i].name');
    openSearchServiceConfigAwsRegion := jResp.StringOf('dataSources[i].openSearchServiceConfig.awsRegion');
    openSearchServiceConfigEndpoint := jResp.StringOf('dataSources[i].openSearchServiceConfig.endpoint');
    RdsHttpEndpointConfigAwsRegion := jResp.StringOf('dataSources[i].relationalDatabaseConfig.rdsHttpEndpointConfig.awsRegion');
    AwsSecretStoreArn := jResp.StringOf('dataSources[i].relationalDatabaseConfig.rdsHttpEndpointConfig.awsSecretStoreArn');
    DatabaseName := jResp.StringOf('dataSources[i].relationalDatabaseConfig.rdsHttpEndpointConfig.databaseName');
    DbClusterIdentifier := jResp.StringOf('dataSources[i].relationalDatabaseConfig.rdsHttpEndpointConfig.dbClusterIdentifier');
    Schema := jResp.StringOf('dataSources[i].relationalDatabaseConfig.rdsHttpEndpointConfig.schema');
    RelationalDatabaseSourceType := jResp.StringOf('dataSources[i].relationalDatabaseConfig.relationalDatabaseSourceType');
    serviceRoleArn := jResp.StringOf('dataSources[i].serviceRoleArn');
    v_type := jResp.StringOf('dataSources[i].type');
    i := i + 1;
  end;

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

// {
//   "dataSources": [
//     {
//       "dataSourceArn": "string",
//       "description": "string",
//       "dynamodbConfig": {
//         "awsRegion": "string",
//         "deltaSyncConfig": {
//           "baseTableTTL": number,
//           "deltaSyncTableName": "string",
//           "deltaSyncTableTTL": number
//         },
//         "tableName": "string",
//         "useCallerCredentials": boolean,
//         "versioned": boolean
//       },
//       "elasticsearchConfig": {
//         "awsRegion": "string",
//         "endpoint": "string"
//       },
//       "httpConfig": {
//         "authorizationConfig": {
//           "authorizationType": "string",
//           "awsIamConfig": {
//             "signingRegion": "string",
//             "signingServiceName": "string"
//           }
//         },
//         "endpoint": "string"
//       },
//       "lambdaConfig": {
//         "lambdaFunctionArn": "string"
//       },
//       "name": "string",
//       "openSearchServiceConfig": {
//         "awsRegion": "string",
//         "endpoint": "string"
//       },
//       "relationalDatabaseConfig": {
//         "rdsHttpEndpointConfig": {
//           "awsRegion": "string",
//           "awsSecretStoreArn": "string",
//           "databaseName": "string",
//           "dbClusterIdentifier": "string",
//           "schema": "string"
//         },
//         "relationalDatabaseSourceType": "string"
//       },
//       "serviceRoleArn": "string",
//       "type": "string"
//     }
//   ],
//   "nextToken": "string"
// }