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PowerBuilder

Send a REST Request with a Binary Body

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Demonstrates Rest.FullRequestBd, which sends a complete request whose binary body is read from a BinData and stores the text response body in a StringBuilder.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background. FullRequestBd is used when the request payload is binary, such as an image or other file, while the response is textual (for example a JSON acknowledgement).

Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_Rest
integer li_BTls
integer li_BAutoReconnect
oleobject loo_BdRequest
integer li_BLoaded
oleobject loo_SbResponse
string ls_ResponseText

li_Success = 0

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_BTls = 1
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("example.com",443,li_BTls,li_BAutoReconnect)
if li_Success = 0 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    return
end if

//  The file paths are relative to the application's current working directory.  Absolute paths
//  may also be used.  Supply the paths appropriate to your own environment.

//  FullRequestBd sends a request whose binary body is read from a BinData and stores the text
//  response body in a StringBuilder.
loo_BdRequest = create oleobject
li_rc = loo_BdRequest.ConnectToNewObject("Chilkat.BinData")

li_BLoaded = loo_BdRequest.LoadFile("qa_data/image.png")
if li_BLoaded <> 1 then
    Write-Debug "Failed to load the request body file."
    destroy loo_Rest
    destroy loo_BdRequest
    return
end if

loo_Rest.AddHeader("Content-Type","image/png")

loo_SbResponse = create oleobject
li_rc = loo_SbResponse.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestBd("PUT","/api/images/1",loo_BdRequest,loo_SbResponse)
if li_Success = 0 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_BdRequest
    destroy loo_SbResponse
    return
end if

ls_ResponseText = loo_SbResponse.GetAsString()
if loo_SbResponse.LastMethodSuccess = 0 then
    Write-Debug loo_SbResponse.LastErrorText
    destroy loo_Rest
    destroy loo_BdRequest
    destroy loo_SbResponse
    return
end if

Write-Debug ls_ResponseText


destroy loo_Rest
destroy loo_BdRequest
destroy loo_SbResponse