(PowerBuilder) HTTP HEAD Request

Sends an HTTP HEAD request and gets the response.

Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..)

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

integer li_rc
oleobject loo_Http
oleobject loo_Resp
integer li_NumHeaderFields
integer i

// 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

// If the URL uses "https://", then the connection will be TLS.
// Otherwise it will be TCP.
loo_Resp = loo_Http.GetHead("https://example-code.com/")
if loo_Http.LastMethodSuccess <> 1 then
    // A failure is when we don't get any response.  It could be a timeout, an inability to connect, etc.
    // For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API..
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    return
end if

// Examine the response.
Write-Debug "Status Code = " + string(loo_Resp.StatusCode)
Write-Debug "Status Line = " + loo_Resp.StatusLine
Write-Debug "Status Text = " + loo_Resp.StatusText
Write-Debug "Full Response Header:"
Write-Debug loo_Resp.Header
Write-Debug "----"
li_NumHeaderFields = loo_Resp.NumHeaderFields
Write-Debug "Num Header Fields: " + string(li_NumHeaderFields)

for i = 0 to li_NumHeaderFields - 1
    Write-Debug loo_Resp.GetHeaderName(i) + ": " + loo_Resp.GetHeaderValue(i)
next

destroy loo_Resp


destroy loo_Http