PowerBuilder

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. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_JsonToken
oleobject loo_GAuth
oleobject loo_Rest
integer li_BAutoReconnect
oleobject loo_Json
string ls_FileContents
string ls_JsonResponse

li_Success = 0

li_Success = 1

// 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.
loo_JsonToken = create oleobject
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_JsonToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_JsonToken.LoadFile("qa_data/tokens/googleDriveAppData.json")

loo_GAuth = create oleobject
li_rc = loo_GAuth.ConnectToNewObject("Chilkat.AuthGoogle")

loo_GAuth.AccessToken = loo_JsonToken.StringOf("access_token")

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")

// Connect using TLS.
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("www.googleapis.com",443,1,li_BAutoReconnect)

// Provide the authentication credentials (i.e. the access token)
loo_Rest.SetAuthGoogle(loo_GAuth)

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

// Specify each part of the request.

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

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.EmitCompact = 0

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

Write-Debug loo_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!"
loo_Rest.PartSelector = "2"
loo_Rest.AddHeader("Content-Type","text/plain")

ls_FileContents = "Hello World!"
loo_Rest.SetMultipartBodyString(ls_FileContents)

ls_JsonResponse = loo_Rest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
if loo_Rest.LastMethodSuccess <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_GAuth
    destroy loo_Rest
    destroy loo_Json
    return
end if

// A successful response will have a status code equal to 200.
if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response JSON: " + ls_JsonResponse
    destroy loo_JsonToken
    destroy loo_GAuth
    destroy loo_Rest
    destroy loo_Json
    return
end if

// Show the JSON response.
loo_Json.Load(ls_JsonResponse)

// Show the full JSON response.
loo_Json.EmitCompact = 0
Write-Debug loo_Json.Emit()

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

// Get the fileId:
Write-Debug "fileId: " + loo_Json.StringOf("id")


destroy loo_JsonToken
destroy loo_GAuth
destroy loo_Rest
destroy loo_Json