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Visual Basic 6.0 Examples

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(Visual Basic 6.0) REST Upload String

Example to upload the contents of a string to the Amazon S3 service.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

'  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 Amazon AWS REST server.
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
Dim success As Long
success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect)

'  ----------------------------------------------------------------------------
'  Important: For buckets created in regions outside us-east-1,
'  there are three important changes that need to be made.
'  See Working with S3 Buckets in Non-us-east-1 Regions for the details.
'  ----------------------------------------------------------------------------

'  Provide AWS credentials for the REST call.
Dim authAws As New ChilkatAuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.ServiceName = "s3"
success = rest.SetAuthAws(authAws)

'  Set the bucket name via the HOST header.
'  In this case, the bucket name is "chilkat100".
rest.Host = "chilkat100.s3.amazonaws.com"

'  Load a text file into memory.
Dim fac As New CkFileAccess
Dim fileContents As String
fileContents = fac.ReadEntireTextFile("qa_data/xml/hamlet.xml","utf-8")
If (fac.LastMethodSuccess <> 1) Then
    Debug.Print fac.LastErrorText
    Exit Sub
End If

'  To send the file in gzip or deflate compressed format, set the Content-Encoding request
'  header to "gzip" or "deflate".  (this is optional)
success = rest.AddHeader("Content-Encoding","gzip")

'  Indicate the Content-Type of our upload.  (This is optional)
success = rest.AddHeader("Content-Type","text/xml")

'  We can add an "Expect: 100-continue" header so that if the request is rejected
'  by the server immediately after receiving the request header, it can respond
'  and the client (Chilkat) can avoid sending the file data.
'  (this is optional)
success = rest.AddHeader("Expect","100-continue")

'  Upload the file to Amazon S3.
Dim responseBodyStr As String
responseBodyStr = rest.FullRequestString("PUT","/hamlet_play.xml",fileContents)
If (rest.LastMethodSuccess <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  Did we get a 200 response indicating success?
Dim statusCode As Long
statusCode = rest.ResponseStatusCode
If (statusCode <> 200) Then
    Debug.Print "Error response: " & responseBodyStr
    Debug.Print "Status code: " & statusCode & ", Status text: " & rest.ResponseStatusText
    Exit Sub
End If

Debug.Print "File successfully uploaded."

 

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