B4X

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. B4X

Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

'  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 ChilkatBinData
bdRequestBody.Initialize
success = bdRequestBody.LoadFile("JSON_FILE_PATH")
If success <> True Then
    Log("Failed to load JSON_FILE_PATH")
    Return
End If


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

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpBd("PATCH", "https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME", bdRequestBody, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
resp.GetBodySb(sbResponseBody)

Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Header:")
    Log(resp.Header)
    Log("Failed.")
    Return
End If