Xojo Plugin

Create a File in a Folder

See more Google Drive Examples

Creates (uploads) a file to be located in a particular folder.

See Google Drive Files: create for more details.

Also See Google Drive Multipart Upload for more details.

Xojo Plugin

Dim success As Boolean
success = False

success = True

// This example 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 scope.

Dim gAuth As New Chilkat.AuthGoogle
gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

Dim rest As New Chilkat.Rest

// Connect using TLS.
Dim bAutoReconnect As Boolean
bAutoReconnect = True
success = rest.Connect("www.googleapis.com",443,True,bAutoReconnect)

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

// -------------------------------------------------------------------------
// A multipart upload to Google Drive needs a multipart/related Content-Type
success = 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"
success = rest.AddHeader("Content-Type","application/json; charset=UTF-8")

Dim json As New Chilkat.JsonObject
success = json.AppendString("name","testHello.txt")
success = json.AppendString("description","A simple file that says Hello World.")
success = json.AppendString("mimeType","text/plain")

// To place the file in a folder, we must add a parents[] array to the JSON
// and list the folder id's.  It's possible for a file to be in multiple folders at once
// if it has more than one parent.  If no parents are specified, then the file is created
// in the My Drive folder.  
// Note: We'll assume we already have the id if the folder.  It is the id's that are specified here,
// not the folder names.

Dim parents As New Chilkat.JsonArray
success = json.AppendArray2("parents",parents)

Dim folderId As String
folderId = "0B53Q6OSTWYolY2tPU1BnYW02T2c"
success = parents.AddStringAt(-1,folderId)

success = rest.SetMultipartBodyString(json.Emit())

// The 2nd part is the file content, which will contain "Hello World!"
rest.PartSelector = "2"
success = rest.AddHeader("Content-Type","text/plain")

Dim fileContents As String
fileContents = "Hello World!"
success = rest.SetMultipartBodyString(fileContents)

Dim jsonResponse As String
jsonResponse = rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
If (rest.LastMethodSuccess = False) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
    System.DebugLog("response status text = " + rest.ResponseStatusText)
    System.DebugLog("response header: " + rest.ResponseHeader)
    System.DebugLog("response JSON: " + jsonResponse)
    Return
End If

// Show the JSON response.
success = json.Load(jsonResponse)

// Show the full JSON response.
json.EmitCompact = False
System.DebugLog(json.Emit())

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

// Get the fileId:
System.DebugLog("fileId: " + json.StringOf("id"))