Delphi ActiveX

Create a New Table in an Azure Storage Account

See more Azure Table Service Examples

Creates a new table using the Azure Table Service REST API. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
azAuth: TChilkatAuthAzureStorage;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jsonResponse: TChilkatJsonObject;
odata_metadata: WideString;
odata_type: WideString;
odata_id: WideString;
odata_editLink: WideString;
TableName: WideString;

begin
success := 0;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

rest := TChilkatRest.Create(Self);

// Implements the following CURL command:

// curl -X POST \
//   -H "Content-Type: application/json" \
//   -H "Accept: application/json;odata=fullmetadata" \
//   -H "Prefer: return-content" \
//   -d '{   
//     "TableName":"mytable"  
// }' https://myaccount.table.core.windows.net/Tables

// Use the following online tool to generate REST code from a CURL command
// Convert a cURL Command to REST Source Code

// IMPORTANT: Make sure to change "myaccount" to your actual Azure Storage Account name.
// URL: https://myaccount.table.core.windows.net/Tables
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('myaccount.table.core.windows.net',port,bTls,bAutoReconnect);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// Provide Azure Cloud credentials for the REST call.
azAuth := TChilkatAuthAzureStorage.Create(Self);
azAuth.AccessKey := 'AZURE_ACCESS_KEY';
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account := 'myaccount';
azAuth.Scheme := 'SharedKey';
azAuth.Service := 'Table';

// This causes the "x-ms-version: 2019-07-07" header to be automatically added.
azAuth.XMsVersion := '2019-07-07';
success := rest.SetAuthAzureStorage(azAuth.ControlInterface);

// Note: The application does not need to explicitly set the following
// headers: Content-Length, x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// Note: The above code does not need to be repeatedly called for each REST request.
// The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
// reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
// made via the Connect method.

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

// The following JSON is sent in the request body.

// {
//   "TableName": "mytable"
// }

json := TChilkatJsonObject.Create(Self);
json.UpdateString('TableName','mytable');

rest.AddHeader('Accept','application/json;odata=fullmetadata');
rest.AddHeader('Prefer','return-content');
rest.AddHeader('Content-Type','application/json');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/Tables',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jsonResponse := TChilkatJsonObject.Create(Self);
jsonResponse.LoadSb(sbResponseBody.ControlInterface);

jsonResponse.EmitCompact := 0;
Memo1.Lines.Add(jsonResponse.Emit());

odata_metadata := jsonResponse.StringOf('"odata.metadata"');
odata_type := jsonResponse.StringOf('"odata.type"');
odata_id := jsonResponse.StringOf('"odata.id"');
odata_editLink := jsonResponse.StringOf('"odata.editLink"');
TableName := jsonResponse.StringOf('TableName');
end;