PowerBuilder

HTTP Methods - GET and DELETE

Demonstrate a method for sending HTTP requests that don't have a request body, such as for GET or DELETE requests. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Http
string ls_Url
oleobject loo_Resp
integer li_StatusCode

li_Success = 0

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

loo_Http = create oleobject
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

// Specifiy a session log file so we can see the exact request/response
loo_Http.SessionLogFilename = "c:/aaworkarea/sessionLog.txt"

// Perhaps add a custom header or two..
loo_Http.SetRequestHeader("x-exz-date","20201012T235046Z")
loo_Http.SetRequestHeader("x-exz-id","1234")

// Send a GET request to https://www.example.com/someting?param1=123&param2=abc
ls_Url = "https://www.example.com/someting?param1=123&param2=abc"
loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpNoBody("GET",ls_Url,loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Resp
    return
end if

// The GET request that is sent looks like this.
// The Accept and Accept-Encoding headers are automatically added by default.

// 	GET /someting?param1=123&param2=abc HTTP/1.1
// 	Host: www.example.com
// 	Accept: */*
// 	Accept-Encoding: gzip
// 	x-exz-date: 20201012T235046Z
// 	x-exz-id: 1234

// Get the response status
li_StatusCode = loo_Resp.StatusCode
Write-Debug "Response status: " + string(li_StatusCode)

// Get the response body
Write-Debug loo_Resp.BodyStr

// -------------------------------------------------------------
// Let's say we want to send a DELETE request, and we only want to accept an application/json response,
// and we don't want gzipped responses...

// First remove the previously specified custom headers.
loo_Http.ClearHeaders()

// Indicate we only accept application/json non-gzipped responses.
loo_Http.Accept = "application/json"
loo_Http.AllowGzip = 0

// Send a DELETE request to https://www.example.com/deleteSomething
ls_Url = "https://www.example.com/deleteSomething"
li_Success = loo_Http.HttpNoBody("DELETE",ls_Url,loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Resp
    return
end if

// The DELETE request that is sent looks like this.
// The empty Accept-Encoding header value means we only want non-compressed responses.

// 	DELETE /deleteSomething HTTP/1.1
// 	Host: www.example.com
// 	Accept: application/json
// 	Accept-Encoding: 

// Get the response status
li_StatusCode = loo_Resp.StatusCode
Write-Debug "Response status: " + string(li_StatusCode)

// Get the response body
Write-Debug loo_Resp.BodyStr


destroy loo_Http
destroy loo_Resp