PowerBuilder

PEPPOL Document Validation

See more HTTP Misc Examples

Demonstrates how to call a Web service to validate your PEPPOL documents according to the latest PEPPOL rules. The validation service requires UBL files. PowerBuilder

integer li_rc
long li_Success
oleobject loo_Http
oleobject loo_SbPeppolInvoiceXml
oleobject loo_Xml
oleobject loo_Resp
oleobject loo_RespXml

li_Success = 0

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

//  --------------------------------------------------------------------------------
//  Also see Chilkat's Online WSDL Code Generator
//  to generate code and SOAP Request and Response XML for each operation in a WSDL.
//  --------------------------------------------------------------------------------

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

//  We are sending the following POST:

//  POST /wsdvs HTTP/1.1
//  Host: peppol.helger.com
//  Content-Type: application/soap+xml; charset=utf-8
//  Content-Length: <length>
//  
//  <?xml version="1.0"?>
//  <S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
//  <S:Body>
//  <validateRequestInput xmlns="http://peppol.helger.com/ws/documentvalidationservice/201701/" VESID="eu.peppol.bis2:t10:3.3.0" displayLocale="en">
//  <XML>...ENTITY_ENCODED_INVOICE_XML_GOES_HERE...</XML>
//  </validateRequestInput>
//  </S:Body>
//  </S:Envelope>

//  Build the SOAP XML shown above.
//  First load the PEPPOL invoice that will be the data contained in the <XML>...</XML> SOAP element.
//  We are using the XML invoice obtained from https://github.com/austriapro/ebinterface-standards/blob/master/schemas/ebInterface5p0/samples/ebinterface_5p0_sample_ecosio.xml
loo_SbPeppolInvoiceXml = create oleobject
li_rc = loo_SbPeppolInvoiceXml.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_SbPeppolInvoiceXml.LoadFile("qa_data/xml/peppol_invoice.xml","utf-8")

loo_Xml = create oleobject
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.Tag = "S:Envelope"
loo_Xml.AddAttribute("xmlns:S","http://schemas.xmlsoap.org/soap/envelope/")
loo_Xml.UpdateAttrAt("S:Body|validateRequestInput",1,"xmlns","http://peppol.helger.com/ws/documentvalidationservice/201701/")
loo_Xml.UpdateAttrAt("S:Body|validateRequestInput",1,"VESID","at.ebinterface:invoice:5.0")
loo_Xml.UpdateAttrAt("S:Body|validateRequestInput",1,"displayLocale","en")
loo_Xml.UpdateChildContent("S:Body|validateRequestInput|XML",loo_SbPeppolInvoiceXml.GetAsString())

//  We don't need to specify the Content-Length or Host headers.  Chilkat automatically adds them.

//  Send the request...
loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpStr("POST","https://peppol.helger.com/wsdvs",loo_Xml.GetXml(),"utf-8","text/xml",loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_SbPeppolInvoiceXml
    destroy loo_Xml
    destroy loo_Resp
    return
end if

Write-Debug "Response Status Code = " + string(loo_Resp.StatusCode)

loo_RespXml = create oleobject
li_rc = loo_RespXml.ConnectToNewObject("Chilkat.Xml")

loo_RespXml.LoadXml(loo_Resp.BodyStr)

Write-Debug "Response XML:"
Write-Debug loo_RespXml.GetXml()

//  A success repsonse looks like this:

//  <?xml version="1.0" encoding="UTF-8"?>
//  <S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
//      <S:Body>
//          <validateResponseOutput xmlns="http://peppol.helger.com/ws/documentvalidationservice/201701/" success="true" interrupted="false" mostSevereErrorLevel="SUCCESS">
//              <Result success="true" artifactType="xsd" artifactPath="/schemas/ebinterface/ebinterface-5.0.xsd"/>
//          </validateResponseOutput>
//      </S:Body>
//  </S:Envelope>


destroy loo_Http
destroy loo_SbPeppolInvoiceXml
destroy loo_Xml
destroy loo_Resp
destroy loo_RespXml