(Xojo Plugin) Upload Application Specific Data

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

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

Dim success As Boolean
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.
Dim jsonToken As New Chilkat.JsonObject
success = jsonToken.LoadFile("qa_data/tokens/googleDriveAppData.json")

Dim gAuth As New Chilkat.AuthGoogle
gAuth.AccessToken = jsonToken.StringOf("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
json.EmitCompact = False

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

System.DebugLog(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"
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 <> True) 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"))