Xbase++

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. Xbase++

LOCAL nSuccess
LOCAL oHttp
LOCAL oSbPeppolInvoiceXml
LOCAL oXml
LOCAL oResp
LOCAL oRespXml

nSuccess := 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.
//  --------------------------------------------------------------------------------

oHttp := CreateObject("Chilkat.Http")

//  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
oSbPeppolInvoiceXml := CreateObject("Chilkat.StringBuilder")
nSuccess := oSbPeppolInvoiceXml:LoadFile("qa_data/xml/peppol_invoice.xml", "utf-8")

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

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

//  Send the request...
oResp := CreateObject("Chilkat.HttpResponse")
nSuccess := oHttp:HttpStr("POST", "https://peppol.helger.com/wsdvs", oXml:GetXml(), "utf-8", "text/xml", oResp)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oSbPeppolInvoiceXml:destroy()
    oXml:destroy()
    oResp:destroy()
    RETURN
ENDIF

? "Response Status Code = " + Str(oResp:StatusCode)

oRespXml := CreateObject("Chilkat.Xml")
oRespXml:LoadXml(oResp:BodyStr)

? "Response XML:"
? oRespXml: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>

oHttp:destroy()
oSbPeppolInvoiceXml:destroy()
oXml:destroy()
oResp:destroy()
oRespXml:destroy()