Visual Basic 6.0

Download a Text File into a String

See more Azure Cloud Storage Examples

Downloads a text file to a string variable. Visual Basic 6.0

Dim success As Long
success = 0

' Azure File Service Example: Download Text File into String
' See:  https://docs.microsoft.com/en-us/rest/api/storageservices/get-file

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

Dim rest As New ChilkatRest

' Connect to the Azure Storage Blob Service
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
' In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.file.core.windows.net",port,bTls,bAutoReconnect)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

' Provide Azure Cloud credentials for the REST calls.
Dim azAuth As New ChilkatAuthAzureStorage
azAuth.AccessKey = "AZURE_ACCESS_KEY"
' The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat"
azAuth.Scheme = "SharedKey"
azAuth.Service = "File"
' This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion = "2021-08-06"
success = rest.SetAuthAzureStorage(azAuth)

' Note: The application does not need to explicitly set the following
' headers: x-ms-date, Authorization.  These headers
' are automatically set by Chilkat.

' Send a GET request to download the file "hamlet.xml" to a StringBuilder object.
' (The share name is "pip")
Dim sbFileContents As New ChilkatStringBuilder
success = rest.FullRequestNoBodySb("GET","/pip/xmlFiles/hamlet.xml",sbFileContents)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

' When successful, the response status will be 200.
' If a non-success status code is returned, then the sbFileContents actually contains the XML error message.
If (rest.ResponseStatusCode <> 200) Then
    ' Examine the request/response to see what happened.
    Debug.Print "response status code = " & rest.ResponseStatusCode
    Debug.Print "response status text = " & rest.ResponseStatusText
    Debug.Print "response header: " & rest.ResponseHeader
    Debug.Print "response body (if any): " & sbFileContents.GetAsString()
    Debug.Print "---"
    Debug.Print "LastRequestStartLine: " & rest.LastRequestStartLine
    Debug.Print "LastRequestHeader: " & rest.LastRequestHeader
    Exit Sub
End If

Debug.Print "Length of downloaded string = " & sbFileContents.Length

Dim strFileContents As String
strFileContents = sbFileContents.GetAsString()
Debug.Print strFileContents

success = sbFileContents.WriteFile("qa_output/hamlet.xml","utf-8",0)