Xbase++

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.

Xbase++

LOCAL nSuccess
LOCAL oJson
LOCAL oHttp
LOCAL oSbXml
LOCAL cExpectedCharset
LOCAL cUrl

nSuccess := 0

//  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
oJson := CreateObject("Chilkat.JsonObject")
oJson:UpdateString("client_id", "2871da2c-8176-4b7f-869b-2311aa82e743")
oJson:UpdateString("client_secret", "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
oJson:UpdateString("scope", "https://graph.microsoft.com/.default")
oJson:UpdateString("token_endpoint", "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

oHttp := CreateObject("Chilkat.Http")
oHttp:AuthToken := oJson: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
oHttp:FollowRedirects := 1

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

oSbXml := CreateObject("Chilkat.StringBuilder")
cExpectedCharset := "utf-8"
cUrl := "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
nSuccess := oHttp:DownloadSb(cUrl, cExpectedCharset, oSbXml)
IF (oHttp:LastMethodSuccess != 1)
    ? oHttp:LastErrorText
    oJson:destroy()
    oHttp:destroy()
    oSbXml:destroy()
    RETURN
ENDIF

//  If the response status code was not 200, then it failed.
IF (oHttp:LastStatus != 200)
    ? "Response Status Code = " + Str(oHttp:LastStatus)
    ? "Failed."
    oJson:destroy()
    oHttp:destroy()
    oSbXml:destroy()
    RETURN
ENDIF

//  If we got here, then the file was successfully downloaded.
? "Download from OneDrive successful."
? "The file is contained in sbXml."

oJson:destroy()
oHttp:destroy()
oSbXml:destroy()