Chilkat Online Tools

GetDataSource delphiDll Example

AWS AppSync

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
DataSourceArn: PWideChar;
Description: PWideChar;
AwsRegion: PWideChar;
BaseTableTTL: Integer;
DeltaSyncTableName: PWideChar;
DeltaSyncTableTTL: Integer;
TableName: PWideChar;
UseCallerCredentials: Integer;
Versioned: Integer;
ElasticsearchConfigAwsRegion: PWideChar;
Endpoint: PWideChar;
AuthorizationType: PWideChar;
SigningRegion: PWideChar;
SigningServiceName: PWideChar;
HttpConfigEndpoint: PWideChar;
LambdaFunctionArn: PWideChar;
Name: PWideChar;
OpenSearchServiceConfigAwsRegion: PWideChar;
OpenSearchServiceConfigEndpoint: PWideChar;
RdsHttpEndpointConfigAwsRegion: PWideChar;
AwsSecretStoreArn: PWideChar;
DatabaseName: PWideChar;
DbClusterIdentifier: PWideChar;
Schema: PWideChar;
RelationalDatabaseSourceType: PWideChar;
ServiceRoleArn: PWideChar;
v_Type: PWideChar;

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','GetDataSource');

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/v1/apis/{apiId}/datasources/{name}',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

DataSourceArn := CkJsonObject__stringOf(jResp,'dataSource.dataSourceArn');
Description := CkJsonObject__stringOf(jResp,'dataSource.description');
AwsRegion := CkJsonObject__stringOf(jResp,'dataSource.dynamodbConfig.awsRegion');
BaseTableTTL := CkJsonObject_IntOf(jResp,'dataSource.dynamodbConfig.deltaSyncConfig.baseTableTTL');
DeltaSyncTableName := CkJsonObject__stringOf(jResp,'dataSource.dynamodbConfig.deltaSyncConfig.deltaSyncTableName');
DeltaSyncTableTTL := CkJsonObject_IntOf(jResp,'dataSource.dynamodbConfig.deltaSyncConfig.deltaSyncTableTTL');
TableName := CkJsonObject__stringOf(jResp,'dataSource.dynamodbConfig.tableName');
UseCallerCredentials := CkJsonObject_IntOf(jResp,'dataSource.dynamodbConfig.useCallerCredentials');
Versioned := CkJsonObject_IntOf(jResp,'dataSource.dynamodbConfig.versioned');
ElasticsearchConfigAwsRegion := CkJsonObject__stringOf(jResp,'dataSource.elasticsearchConfig.awsRegion');
Endpoint := CkJsonObject__stringOf(jResp,'dataSource.elasticsearchConfig.endpoint');
AuthorizationType := CkJsonObject__stringOf(jResp,'dataSource.httpConfig.authorizationConfig.authorizationType');
SigningRegion := CkJsonObject__stringOf(jResp,'dataSource.httpConfig.authorizationConfig.awsIamConfig.signingRegion');
SigningServiceName := CkJsonObject__stringOf(jResp,'dataSource.httpConfig.authorizationConfig.awsIamConfig.signingServiceName');
HttpConfigEndpoint := CkJsonObject__stringOf(jResp,'dataSource.httpConfig.endpoint');
LambdaFunctionArn := CkJsonObject__stringOf(jResp,'dataSource.lambdaConfig.lambdaFunctionArn');
Name := CkJsonObject__stringOf(jResp,'dataSource.name');
OpenSearchServiceConfigAwsRegion := CkJsonObject__stringOf(jResp,'dataSource.openSearchServiceConfig.awsRegion');
OpenSearchServiceConfigEndpoint := CkJsonObject__stringOf(jResp,'dataSource.openSearchServiceConfig.endpoint');
RdsHttpEndpointConfigAwsRegion := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.rdsHttpEndpointConfig.awsRegion');
AwsSecretStoreArn := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.rdsHttpEndpointConfig.awsSecretStoreArn');
DatabaseName := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.rdsHttpEndpointConfig.databaseName');
DbClusterIdentifier := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.rdsHttpEndpointConfig.dbClusterIdentifier');
Schema := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.rdsHttpEndpointConfig.schema');
RelationalDatabaseSourceType := CkJsonObject__stringOf(jResp,'dataSource.relationalDatabaseConfig.relationalDatabaseSourceType');
ServiceRoleArn := CkJsonObject__stringOf(jResp,'dataSource.serviceRoleArn');
v_Type := CkJsonObject__stringOf(jResp,'dataSource.type');

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

// {
//   "dataSource": {
//     "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"
//   }
// }

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