Chilkat Examples

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Visual Basic 6.0 Examples

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(Visual Basic 6.0) Send XML REST Request, Get Response with No Body (Google Cloud Storage)

Demonstrates sending a RESTful XML request, and receiving a response where the expected response is a header with no body (Content-Length = 0). This example will create a bucket in Google Cloud Storage using the Google Cloud Storage XML API.

See Create a Bucket using the XML API for additional request options.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

'  This example will create a bucket in Google Cloud Storage using the XML API.
Dim success As Long

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

Dim gAuth As New ChilkatAuthGoogle
'  Obtain an access token as shown in one of the following examples:
'  See Get Access Token using a Service Account JSON Key
'  See Get Access Token using a P12 File

Dim rest As New ChilkatRest

'  Connect using TLS.
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("www.googleapis.com",443,1,bAutoReconnect)

'  Provide the authentication credentials (i.e. the access key)
success = rest.SetAuthGoogle(gAuth)

'  Build the XML request body for creating a bucket.
'  See https://cloud.google.com/storage/docs/xml-api/put-bucket-create
Dim xmlReqBody As New ChilkatXml
xmlReqBody.Tag = "CreateBucketConfiguration"
xmlReqBody.NewChild2 "LocationConstraint","us"
xmlReqBody.NewChild2 "StorageClass","STANDARD"

'  Show the HTTP request body we'll be sending.
Text1.Text = Text1.Text & xmlReqBody.GetXml() & vbCrLf

'  There are no query parameters...

'  The HOST header must be specified, because it needs to be different than
'  the domain previously passed to the Connect method.
'  The name of the bucket is the 1st part of the HOST header.
success = rest.AddHeader("Host","chilkat-example-bucket.storage.googleapis.com")

'  The project ID is specified in an HTTP request header
success = rest.AddHeader("x-goog-project-id","chilkattest-1050")

'  In this case, the response body is expected to be empty.  We can still
'  call FullRequestString.  We expect an empty string to be returned.
Dim responseStr As String
responseStr = rest.FullRequestString("PUT","/",xmlReqBody.GetXml())
If (rest.LastMethodSuccess <> 1) Then
    Text1.Text = Text1.Text & rest.LastErrorText & vbCrLf
    Exit Sub
End If

'  Check the response status code to make sure it is 200.
Dim responseStatus As Long
responseStatus = rest.ResponseStatusCode
Text1.Text = Text1.Text & "Response Status Code = " & responseStatus & vbCrLf

 

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