(PowerBuilder) URL Encoding Charset in POST Query Params

Demonstrates how to control the URL encoding charset in POST query params.

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

integer li_rc
string ls_NameWin1252Encoded
oleobject loo_Sb
integer li_Success
oleobject loo_Http
oleobject loo_Req
oleobject loo_Resp

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

// We have the string "MÆRSK".
ls_NameWin1252Encoded = "M%E6RSK"

// Note: The DecodeAndAppend method is newly added in Chilkat v9.5.0.87
loo_Sb = create oleobject
li_rc = loo_Sb.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")
if li_rc < 0 then
    destroy loo_Sb
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Sb.DecodeAndAppend(ls_NameWin1252Encoded,"url","windows-1252")

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat_9_5_0.Http")

// We're setting the session log filename so we can see the exact request sent.
loo_Http.SessionLogFilename = "qa_output/sessionLog.txt"

// First demonstrate a simple application/x-www-form-urlencoded POST

loo_Req = create oleobject
li_rc = loo_Req.ConnectToNewObject("Chilkat_9_5_0.HttpRequest")

// Set the Charset = "utf-8" to cause URL encoding to use utf-8.
loo_Req.Charset = "utf-8"

loo_Req.AddParam("name",loo_Sb.GetAsString())

loo_Resp = loo_Http.PostUrlEncoded("https://www.chilkatsoft.com/something",loo_Req)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Sb
    destroy loo_Http
    destroy loo_Req
    return
end if

// This is the request that is sent:
// Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

// 	POST /something HTTP/1.1
// 	Host: www.chilkatsoft.com
// 	Content-Type: application/x-www-form-urlencoded
// 	Content-Length: 15
// 
// 	name=M%C3%A6RSK

destroy loo_Resp

// ---------------------------------------------------------------
// Switch to windows-1252

loo_Req.Charset = "windows-1252"

loo_Resp = loo_Http.PostUrlEncoded("https://www.chilkatsoft.com/something",loo_Req)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Sb
    destroy loo_Http
    destroy loo_Req
    return
end if

// This is the request that is sent:
// Notice that windows-1252 is used in the query param (the letter 'Æ' is %E6)

// 	POST /something HTTP/1.1
// 	Host: www.chilkatsoft.com
// 	Content-Type: application/x-www-form-urlencoded
// 	Content-Length: 12
// 
// 	name=M%E6RSK

destroy loo_Resp

// ---------------------------------------------------------------
// Let's do the same with SynchronousRequest, switching back to utf-8

loo_Req.Path = "/something"
loo_Req.HttpVerb = "POST"
loo_Req.ContentType = "application/x-www-form-urlencoded"

loo_Req.Charset = "utf-8"

loo_Resp = loo_Http.SynchronousRequest("www.chilkatsoft.com",443,1,loo_Req)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Sb
    destroy loo_Http
    destroy loo_Req
    return
end if

// This is the request that is sent:
// Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

// 	POST /something HTTP/1.1
// 	Host: www.chilkatsoft.com
// 	Content-Type: application/x-www-form-urlencoded
// 	Content-Length: 15
// 
// 	name=M%C3%A6RSK

destroy loo_Resp

// ---------------------------------------------------------------
// Let's do a PostXml where the query params are in the HTTP request start line, 
// and the Content-Type is text/xml where the body of the request is XML.

loo_Req.Path = "/something"
loo_Req.HttpVerb = "POST"
loo_Req.ContentType = "text/xml"
li_Success = loo_Req.LoadBodyFromString("<test>123</test>","utf-8")
loo_Req.Charset = "utf-8"

// Remember... our request object still contains the query param added in the above call to AddParam.

loo_Resp = loo_Http.SynchronousRequest("www.chilkatsoft.com",443,1,loo_Req)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Sb
    destroy loo_Http
    destroy loo_Req
    return
end if

// This is the request that is sent:
// Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

// 	POST /something?name=M%C3%A6RSK HTTP/1.1
// 	Host: www.chilkatsoft.com
// 	Content-Type: text/xml
// 	Content-Length: 16
// 
// 	<test>123</test>

destroy loo_Resp


destroy loo_Sb
destroy loo_Http
destroy loo_Req