(PowerBuilder) curl POST with JSON Input and JSON Output

See more CURL Examples

Note: This example requires Chilkat v11.5.0 or greater.

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

integer li_rc
integer li_Success
oleobject loo_SbTargetCurl
oleobject loo_HttpCurl
oleobject loo_ResponseJson
integer li_StatusCode
string ls_TargetCurl

li_Success = 0

// Run the following curl command

//  curl -X POST https://httpbin.org/post \
//       -H "Content-Type: application/json" \
//       -d '{
//             "title": "foo",
//             "body": "bar",
//             "userId": 1
//           }'

// The backslashes at the end of lines are not required.  Chilkat ignores them if present.
loo_SbTargetCurl = create oleobject
li_rc = loo_SbTargetCurl.ConnectToNewObject("Chilkat.StringBuilder")
if li_rc < 0 then
    destroy loo_SbTargetCurl
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_SbTargetCurl.AppendLn(" curl -X POST https://httpbin.org/post ~")
loo_SbTargetCurl.AppendLn("      -H ~"Content-Type: application/json~" ~")
loo_SbTargetCurl.AppendLn("      -d '{")
loo_SbTargetCurl.AppendLn("            ~"title~": ~"foo~",")
loo_SbTargetCurl.AppendLn("            ~"body~": ~"bar~",")
loo_SbTargetCurl.AppendLn("            ~"userId~": 1")
loo_SbTargetCurl.AppendLn("          }'")

loo_HttpCurl = create oleobject
li_rc = loo_HttpCurl.ConnectToNewObject("Chilkat.HttpCurl")

// Run the curl command.
li_Success = loo_HttpCurl.DoYourThing(loo_SbTargetCurl.GetAsString())
if li_Success = 0 then
    Write-Debug loo_HttpCurl.LastErrorText
    destroy loo_SbTargetCurl
    destroy loo_HttpCurl
    return
end if

loo_ResponseJson = create oleobject
li_rc = loo_ResponseJson.ConnectToNewObject("Chilkat.JsonObject")

loo_ResponseJson.EmitCompact = 0

loo_HttpCurl.GetResponseJson(loo_ResponseJson)

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

Write-Debug loo_ResponseJson.Emit()

// Output:

// response status code: 200
// {
//   "args": {},
//   "data": "{\r\n            \"title\": \"foo\",\r\n            \"body\": \"bar\",\r\n            \"userId\": 1\r\n          }",
//   "files": {},
//   "form": {},
//   "headers": {
//     "Content-Length": "96",
//     "Content-Type": "application/json",
//     "Host": "httpbin.org",
//     "X-Amzn-Trace-Id": "Root=1-69e8db8b-459b3bdf7b7a3bc749184968"
//   },
//   "json": {
//     "body": "bar",
//     "title": "foo",
//     "userId": 1
//   },
//   "origin": "123.222.222.222",
//   "url": "https://httpbin.org/post"
// }

// ----------------------------------------------------------------------------------
// Another example:

// curl -X POST https://postman-echo.com/post \
//      -H "Content-Type: application/json" \
//      -d '{"foo":"bar"}'

ls_TargetCurl = "curl -X POST https://postman-echo.com/post -H ~"Content-Type: application/json~" -d '{~"foo~":~"bar~"}'"

// Run the curl command.
li_Success = loo_HttpCurl.DoYourThing(ls_TargetCurl)
if li_Success = 0 then
    Write-Debug loo_HttpCurl.LastErrorText
    destroy loo_SbTargetCurl
    destroy loo_HttpCurl
    destroy loo_ResponseJson
    return
end if

loo_HttpCurl.GetResponseJson(loo_ResponseJson)

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

Write-Debug loo_ResponseJson.Emit()

// Output:

// response status code: 200
// {
//   "args": {},
//   "data": {
//     "foo": "bar"
//   },
//   "files": {},
//   "form": {},
//   "headers": {
//     "host": "postman-echo.com",
//     "content-length": "13",
//     "content-type": "application/json",
//     "x-forwarded-proto": "https",
//     "accept-encoding": "gzip, br"
//   },
//   "json": {
//     "foo": "bar"
//   },
//   "url": "https://postman-echo.com/post"
// }


destroy loo_SbTargetCurl
destroy loo_HttpCurl
destroy loo_ResponseJson