(Visual Basic 6.0) Google Cloud Storage: Update Object Metadata

See more Google Cloud Storage Examples

Demonstrates how to update (edit) the metadata associated with an object in a Google Cloud Storage bucket.

For more information, see https://cloud.google.com/storage/docs/viewing-editing-metadata#edit

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim http As New ChilkatHttp
Dim success As Long

' Implements the following CURL command:

' curl -X PATCH --data-binary @JSON_FILE_NAME \
'   -H "Authorization: Bearer OAUTH2_TOKEN" \
'   -H "Content-Type: application/json" \
'   "https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME"

' Use the following online tool to generate HTTP code from a CURL command
' Convert a cURL Command to HTTP Source Code

Dim bdRequestBody As New ChilkatBinData
success = bdRequestBody.LoadFile("JSON_FILE_PATH")
If (success <> 1) Then
    Debug.Print "Failed to load JSON_FILE_PATH"
    Exit Sub
End If

' Adds the "Authorization: Bearer OAUTH2_TOKEN" header.
http.AuthToken = "OAUTH2_TOKEN"

Dim resp As ChilkatHttpResponse
Set resp = http.PBinaryBd("PATCH","https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME",bdRequestBody,"application/json",0,0)
If (http.LastMethodSuccess = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim sbResponseBody As New ChilkatStringBuilder
success = resp.GetBodySb(sbResponseBody)

Dim jResp As New ChilkatJsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = 0

Debug.Print "Response Body:"
Debug.Print jResp.Emit()

Dim respStatusCode As Long
respStatusCode = resp.StatusCode
Debug.Print "Response Status Code = " & respStatusCode
If (respStatusCode >= 400) Then
    Debug.Print "Response Header:"
    Debug.Print resp.Header
    Debug.Print "Failed."

    Exit Sub
End If