public void handleFileUpload(FileUploadEvent event) {
FacesMessage msg = new FacesMessage("Succesful", event.getFile().getFileName() + " is uploaded.");
FacesContext.getCurrentInstance().addMessage(null, msg);
UploadedFile file = event.getFile();
try {
AltdatenKonverter me = new AltdatenKonverter(file.getInputstream());
me.extractArchivale();
CompassConfiguration conf = new CompassConfiguration().configure();
conf.addClass(Archivale.class);
conf.addClass(Dokumentart.class);
conf.addClass(Name.class);