B4X

OneDrive -- Download Text File to Memory

See more OneDrive Examples

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object.

Note: This example requires Chilkat v9.5.0.97 or greater.

B4X

Dim success As Boolean = False

'  This example requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  This example uses the OAuth client credentials flow.
'  See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

'  Use your client ID, client secret, and tenant ID in the following lines
Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("client_id", "2871da2c-8176-4b7f-869b-2311aa82e743")
json.UpdateString("client_secret", "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
json.UpdateString("scope", "https://graph.microsoft.com/.default")
json.UpdateString("token_endpoint", "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

Dim http As ChilkatHttp
http.Initialize("http")
http.AuthToken = json.Emit

'  Sends the following GET request:
'  GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content

'  Make sure to automatically follow redirects
http.FollowRedirects = True

'  This example will download /Misc/hamlet.xml
http.SetUrlVar("item_path", "Misc/hamlet.xml")
http.SetUrlVar("user_id", "4fe732c3-322e-4a6b-b729-2fd1eb5c6104")

Dim sbXml As ChilkatStringBuilder
sbXml.Initialize
Dim expectedCharset As String = "utf-8"
Dim url As String = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
success = http.DownloadSb(url, expectedCharset, sbXml)
If http.LastMethodSuccess <> True Then
    Log(http.LastErrorText)
    Return
End If


'  If the response status code was not 200, then it failed.
If http.LastStatus <> 200 Then
    Log("Response Status Code = " & http.LastStatus)
    Log("Failed.")
    Return
End If


'  If we got here, then the file was successfully downloaded.
Log("Download from OneDrive successful.")
Log("The file is contained in sbXml.")