DataFlex

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. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    Variant vBdRequestBody
    Handle hoBdRequestBody
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // 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

    Get Create (RefClass(cComChilkatBinData)) To hoBdRequestBody
    If (Not(IsComObjectCreated(hoBdRequestBody))) Begin
        Send CreateComObject of hoBdRequestBody
    End
    Get ComLoadFile Of hoBdRequestBody "JSON_FILE_PATH" To iSuccess
    If (iSuccess <> True) Begin
        Showln "Failed to load JSON_FILE_PATH"
        Procedure_Return
    End

    // Adds the "Authorization: Bearer OAUTH2_TOKEN" header.
    Set ComAuthToken Of hoHttp To "OAUTH2_TOKEN"

    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get pvComObject of hoBdRequestBody to vBdRequestBody
    Get pvComObject of hoResp to vResp
    Get ComHttpBd Of hoHttp "PATCH" "https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME" vBdRequestBody "application/json" vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess

    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End



End_Procedure