(PowerBuilder) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

Initiate a Google Cloud Storage resumable upload session..

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

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

integer li_rc
oleobject loo_Http
oleobject loo_JsonToken
integer li_Success
oleobject loo_JsonMetaData
string ls_Url
oleobject loo_Resp
integer li_StatusCode
string ls_SessionUrl

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_JsonToken = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")

li_Success = loo_JsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
if li_Success = 0 then
    Write-Debug loo_JsonToken.LastErrorText
    destroy loo_Http
    destroy loo_JsonToken
    return
end if

loo_JsonMetaData = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonMetaData.ConnectToNewObject("Chilkat.JsonObject")

loo_JsonMetaData.UpdateString("contentType","image/jpeg")

// Adds the "Authorization: Bearer <access_token>" header..
loo_Http.AuthToken = loo_JsonToken.StringOf("access_token")

loo_Http.SetUrlVar("bucket_name","chilkat-bucket-b")
loo_Http.SetUrlVar("object_name","penguins2.jpg")
ls_Url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}"
loo_Resp = loo_Http.PText("POST",ls_Url,loo_JsonMetaData.Emit(),"utf-8","application/json",0,0)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_JsonToken
    destroy loo_JsonMetaData
    return
end if

li_StatusCode = loo_Resp.StatusCode
Write-Debug "response status code = " + string(li_StatusCode)

ls_SessionUrl = ""

if li_StatusCode <> 200 then
    Write-Debug loo_Resp.BodyStr
else
    // The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
    ls_SessionUrl = loo_Resp.GetHeaderField("Location")
    Write-Debug "Session URL = " + ls_SessionUrl
end if

destroy loo_Resp


destroy loo_Http
destroy loo_JsonToken
destroy loo_JsonMetaData