C#

Upload Application Specific Data

See more Google Drive Examples

Uploads a text file (application specific data) where the contents of the file are contained in a string variable. C#

bool success = false;

success = true;

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

//  This example uses a previously obtained access token having permission for the 
//  Google Drive application specific data scope.
Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
success = jsonToken.LoadFile("qa_data/tokens/googleDriveAppData.json");

Chilkat.AuthGoogle gAuth = new Chilkat.AuthGoogle();
gAuth.AccessToken = jsonToken.StringOf("access_token");

Chilkat.Rest rest = new Chilkat.Rest();

//  Connect using TLS.
bool bAutoReconnect = true;
success = rest.Connect("www.googleapis.com",443,true,bAutoReconnect);

//  Provide the authentication credentials (i.e. the access token)
rest.SetAuthGoogle(gAuth);

//  A multipart upload to Google Drive needs a multipart/related Content-Type
rest.AddHeader("Content-Type","multipart/related");

//  Specify each part of the request.

//  The 1st part is JSON with information about the file.
rest.PartSelector = "1";
rest.AddHeader("Content-Type","application/json; charset=UTF-8");

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.EmitCompact = false;

json.UpdateString("name","helloWorld.txt");
json.UpdateString("description","A simple text file that says Hello World.");
json.UpdateString("mimeType","text/plain");
//  Specifiy the application-specific data folder.
json.UpdateString("parents[0]","appDataFolder");
rest.SetMultipartBodyString(json.Emit());

Debug.WriteLine(json.Emit());

//  The JSON looks like this:
//  {
//    "name": "helloWorld.txt",
//    "description": "A simple text file that says Hello World.",
//    "mimeType": "text/plain",
//    "parents": [
//      "appDataFolder"
//    ]
//  }

//  The 2nd part is the file content.
//  In this case, we'll upload a simple text file containing "Hello World!"
rest.PartSelector = "2";
rest.AddHeader("Content-Type","text/plain");

string fileContents = "Hello World!";
rest.SetMultipartBodyString(fileContents);

string jsonResponse = rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart");
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

//  A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode != 200) {
    Debug.WriteLine("response status code = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("response status text = " + rest.ResponseStatusText);
    Debug.WriteLine("response header: " + rest.ResponseHeader);
    Debug.WriteLine("response JSON: " + jsonResponse);
    return;
}

//  Show the JSON response.
json.Load(jsonResponse);

//  Show the full JSON response.
json.EmitCompact = false;
Debug.WriteLine(json.Emit());

//  A successful response looks like this:
//  {
//    "kind": "drive#file",
//    "id": "0B53Q6OSTWYoldmJ0Z3ZqT2x5MFk",
//    "name": "Untitled",
//    "mimeType": "text/plain"
//  }

//  Get the fileId:
Debug.WriteLine("fileId: " + json.StringOf("id"));