public void processPurchase(PaidPurchase paidPurchase)
            throws ClienteInexistente_Exception, FaturaInvalida_Exception,
            TotaisIncoerentes_Exception {

        RegistoFaturaPortType registoFatura = new RegistoFaturaLocal();

        System.out.println("PROCESS");
        System.out.println(this.getNif());
        System.out.println(this.getName());
        try {

            Serie serie = registoFatura.pedirSerie(this.getNif());

            Fatura fatura = new Fatura();
            fatura.setNifCliente(paidPurchase.getClient().getNif());
            fatura.setNifEmissor(this.getNif());
            fatura.setNomeEmissor(this.getName());
            fatura.setNumSeqFatura(1);

            System.out.println(serie == null);
            System.out.println("PROCESS1");
            fatura.setNumSerie(serie.getNumSerie());

            System.out.println("PROCESS2");
            fatura.setTotal((int) paidPurchase.getTotalPrice());
            System.out.println("PROCESS3");

            XMLGregorianCalendar now = getXMLGregorianCalendarNow();
            fatura.setIva(registoFatura.consultarIVADevido(this.getNif(), now));

            registoFatura.comunicarFatura(fatura);

        } catch (EmissorInexistente_Exception e) {
            // TODO Auto-generated catch block
            System.out.println("ERF");
            e.printStackTrace();
        } catch (DatatypeConfigurationException e) {
            // TODO Auto-generated catch block
            System.out.println("ERF2");
            e.printStackTrace();
        }
        System.out.println("PROCESS4");
    }