Chilkat Online Tools

DescribeReplicationSubnetGroups delphiDll Example

AWS Database Migration Service

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
ReplicationSubnetGroupDescription: PWideChar;
ReplicationSubnetGroupIdentifier: PWideChar;
SubnetGroupStatus: PWideChar;
VpcId: PWideChar;
j: Integer;
count_j: Integer;
Name: PWideChar;
SubnetIdentifier: PWideChar;
SubnetStatus: PWideChar;
Marker: 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,'dms');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

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

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'Filters[0].Name','string');
CkJsonObject_UpdateString(json,'Filters[0].Values[0]','string');
CkJsonObject_UpdateString(json,'Marker','string');
CkJsonObject_UpdateInt(json,'MaxRecords',123);

// The JSON request body created by the above code:

// {
//   "Filters": [
//     {
//       "Name": "string",
//       "Values": [
//         "string"
//       ]
//     }
//   ],
//   "Marker": "string",
//   "MaxRecords": number
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','AmazonDMSv20160101.DescribeReplicationSubnetGroups');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,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

Marker := CkJsonObject__stringOf(jResp,'Marker');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'ReplicationSubnetGroups');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    ReplicationSubnetGroupDescription := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].ReplicationSubnetGroupDescription');
    ReplicationSubnetGroupIdentifier := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].ReplicationSubnetGroupIdentifier');
    SubnetGroupStatus := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].SubnetGroupStatus');
    VpcId := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].VpcId');
    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'ReplicationSubnetGroups[i].Subnets');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        Name := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].Subnets[j].SubnetAvailabilityZone.Name');
        SubnetIdentifier := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].Subnets[j].SubnetIdentifier');
        SubnetStatus := CkJsonObject__stringOf(jResp,'ReplicationSubnetGroups[i].Subnets[j].SubnetStatus');
        j := j + 1;
      end;

    i := i + 1;
  end;

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

// {
//   "Marker": "string",
//   "ReplicationSubnetGroups": [
//     {
//       "ReplicationSubnetGroupDescription": "string",
//       "ReplicationSubnetGroupIdentifier": "string",
//       "SubnetGroupStatus": "string",
//       "Subnets": [
//         {
//           "SubnetAvailabilityZone": {
//             "Name": "string"
//           },
//           "SubnetIdentifier": "string",
//           "SubnetStatus": "string"
//         }
//       ],
//       "VpcId": "string"
//     }
//   ]
// }

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