Chilkat Online Tools

ListDataSources Delphi (DLL) 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;
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','ListDataSources');

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

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