(PowerBuilder) Upload String to Google Cloud Storage

Demonstrates how to upload an in-memory string to Google Cloud Storage.

Note: This example requires Chilkat v9.5.0.69 or later because it uses the http.PTextSb method.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_SbToken
oleobject loo_Http
oleobject loo_Xml
oleobject loo_SbXml
string ls_Url
oleobject loo_Resp
integer li_ResponseCode

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

// This example uses a previously obtained access token having permission for the 
// scope "https://www.googleapis.com/auth/cloud-platform"

// In this example, Get Google Cloud Storage OAuth2 Access Token, 
// the service account access token was saved to a text file.  This example fetches the access token from the file..
loo_SbToken = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbToken.ConnectToNewObject("Chilkat.StringBuilder")
if li_rc < 0 then
    destroy loo_SbToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_SbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8")

// Send a POST equivalent to this curl command.
// The content of the file is contained in the request body.

// curl -X POST --data-binary @[OBJECT] \
//     -H "Authorization: Bearer [OAUTH2_TOKEN]" \
//     -H "Content-Type: [OBJECT_CONTENT_TYPE]" \
//     "https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

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

loo_Http.AuthToken = loo_SbToken.GetAsString()

// Create an XML document, and write it to a StringBuilder.
// We'll be uploading this XML document.
loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.Tag = "note"
loo_Xml.UpdateChildContent("to","Tove")
loo_Xml.UpdateChildContent("from","Jani")
loo_Xml.UpdateChildContent("heading","Reminder")
loo_Xml.UpdateChildContent("body","Don't forget me this weekend!")

// Write the XML to sbXml.
loo_SbXml = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbXml.ConnectToNewObject("Chilkat.StringBuilder")

loo_Xml.GetXmlSb(loo_SbXml)

// sbXml contains this:

// <note>
//     <to>Tove</to>
//     <from>Jani</from>
//     <heading>Reminder</heading>
//     <body>Don't forget me this weekend!</body>
// </note>

// Construct a URL to upload to an object named "test.xml" in the "chilkat-ocean" bucket.
loo_Http.SetUrlVar("bucket_name","chilkat-ocean")
loo_Http.SetUrlVar("object_name","test.xml")
ls_Url = "https://www.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=media&name={$object_name}"

// Note: The PTextSb method first appears in Chilkat v9.5.0.69
loo_Resp = loo_Http.PTextSb("POST",ls_Url,loo_SbXml,"utf-8","application/xml",0,0)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_SbToken
    destroy loo_Http
    destroy loo_Xml
    destroy loo_SbXml
    return
end if

li_ResponseCode = loo_Resp.StatusCode
if li_ResponseCode = 401 then
    Write-Debug loo_Resp.BodyStr
    Write-Debug "If invalid credentials, then it is likely the access token expired."
    Write-Debug "Your app should automatically fetch a new access token and re-try."
    destroy loo_Resp
    destroy loo_SbToken
    destroy loo_Http
    destroy loo_Xml
    destroy loo_SbXml
    return
end if

Write-Debug "Response code: " + string(li_ResponseCode)
Write-Debug "Response body"
Write-Debug loo_Resp.BodyStr

// A successful response looks like this:
// Response code: 200
// Response body
// {
//  "kind": "storage#object",
//  "id": "chilkat-ocean/test.xml/1502669565429870",
//  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/test.xml",
//  "name": "test.xml",
//  "bucket": "chilkat-ocean",
//  "generation": "1502669565429870",
//  "metageneration": "1",
//  "contentType": "application/xml",
//  "timeCreated": "2017-08-14T00:12:45.379Z",
//  "updated": "2017-08-14T00:12:45.379Z",
//  "storageClass": "MULTI_REGIONAL",
//  "timeStorageClassUpdated": "2017-08-14T00:12:45.379Z",
//  "size": "181",
//  "md5Hash": "TCR0L7TWsw2TzOvfNvgEfA==",
//  "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/test.xml?generation=1502669565429870&alt=media",
//  "crc32c": "ZFd5sA==",
//  "etag": "CO6Qpq241dUCEAE="
// }

destroy loo_Resp


destroy loo_SbToken
destroy loo_Http
destroy loo_Xml
destroy loo_SbXml