Lianja

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. Lianja

llSuccess = .F.

llSuccess = .T.

// 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.
loJsonToken = createobject("CkJsonObject")
llSuccess = loJsonToken.LoadFile("qa_data/tokens/googleDriveAppData.json")

loGAuth = createobject("CkAuthGoogle")
loGAuth.AccessToken = loJsonToken.StringOf("access_token")

loRest = createobject("CkRest")

// Connect using TLS.
llBAutoReconnect = .T.
llSuccess = loRest.Connect("www.googleapis.com",443,.T.,llBAutoReconnect)

// Provide the authentication credentials (i.e. the access token)
loRest.SetAuthGoogle(loGAuth)

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

// Specify each part of the request.

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

loJson = createobject("CkJsonObject")
loJson.EmitCompact = .F.

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

? loJson.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!"
loRest.PartSelector = "2"
loRest.AddHeader("Content-Type","text/plain")

lcFileContents = "Hello World!"
loRest.SetMultipartBodyString(lcFileContents)

lcJsonResponse = loRest.FullRequestMultipart("POST","/upload/drive/v3/files?uploadType=multipart")
if (loRest.LastMethodSuccess <> .T.) then
    ? loRest.LastErrorText
    release loJsonToken
    release loGAuth
    release loRest
    release loJson
    return
endif

// A successful response will have a status code equal to 200.
if (loRest.ResponseStatusCode <> 200) then
    ? "response status code = " + str(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response JSON: " + lcJsonResponse
    release loJsonToken
    release loGAuth
    release loRest
    release loJson
    return
endif

// Show the JSON response.
loJson.Load(lcJsonResponse)

// Show the full JSON response.
loJson.EmitCompact = .F.
? loJson.Emit()

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

// Get the fileId:
? "fileId: " + loJson.StringOf("id")


release loJsonToken
release loGAuth
release loRest
release loJson