(Java) PEPPOL Document Validation

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

For more information, see https://peppol.helger.com/public/locale-en_US/menuitem-validation-ws2

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // 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.
    // --------------------------------------------------------------------------------

    CkHttp http = new CkHttp();

    // 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
    CkStringBuilder sbPeppolInvoiceXml = new CkStringBuilder();
    boolean success = sbPeppolInvoiceXml.LoadFile("qa_data/xml/peppol_invoice.xml","utf-8");

    CkXml xml = new CkXml();
    xml.put_Tag("S:Envelope");
    xml.AddAttribute("xmlns:S","http://schemas.xmlsoap.org/soap/envelope/");
    xml.UpdateAttrAt("S:Body|validateRequestInput",true,"xmlns","http://peppol.helger.com/ws/documentvalidationservice/201701/");
    xml.UpdateAttrAt("S:Body|validateRequestInput",true,"VESID","at.ebinterface:invoice:5.0");
    xml.UpdateAttrAt("S:Body|validateRequestInput",true,"displayLocale","en");
    xml.UpdateChildContent("S:Body|validateRequestInput|XML",sbPeppolInvoiceXml.getAsString());

    // Set the Content-Type of the request.
    http.SetRequestHeader("Content-Type","text/xml");

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

    // Send the request...
    CkHttpResponse resp = http.PostXml("https://peppol.helger.com/wsdvs",xml.getXml(),"utf-8");
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println("Response Status Code = " + resp.get_StatusCode());

    CkXml respXml = new CkXml();
    respXml.LoadXml(resp.bodyStr());

    System.out.println("Response XML:");
    System.out.println(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>
  }
}