public void vai (HttpServletRequest request, HttpServletResponse response)
Map <String,String> subFolders = new HashMap <String,String>();
Map <String,String> subFoldersP = new HashMap <String,String>();
Map <String,Path> subFoldersPath = new HashMap <String,Path>();
String cosa = "";
String nome = "";
String percorso = "";
int corrente,massimo = 0;
int whatToShow = 0 ;
Path nom =  Paths.get(UPLOAD_DIRECTORY) ;

System.out.println("QueryString : " + request.getQueryString() + "   ContentType : " + request.getContentType());

response.setContentType ("text/event-stream;charset=UTF-8"); //("text/html");
response.setContentType("Cache-Control: no-cache");
PrintWriter out = response.getWriter();

//process only if its multipart content

if(ServletFileUpload.isMultipartContent(request)){
    try {
String Host = "third-party";
String Username = "someuser";
String Password = "somePWD";

String handle = "";
List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);
        massimo = multiparts.size();

        corrente=0;
        for(FileItem item : multiparts){
            corrente ++;
            whatToShow = ((corrente*100)/massimo);

        if(!item.isFormField()){
         handle = insertIntoThirdPart(item,nom,subFolders,subFoldersP,subFoldersPath,"myDest");

            } else {
                nome = item.getString();
                System.out.println("Ricevuto dal client " + nome + " e le mappe hanno dimensione " + subFolders.size() + " " + subFoldersP.size() + " " +subFoldersPath.size() );
                nom = Paths.get(nome);
                percorso = nom.toString();
                percorso = percorso.substring(0, (percorso.length() - nom.getFileName().toString().length()));
                System.out.println("Passato alla routine  " + percorso);
                nom = Paths.get(percorso);
                System.out.println("come   " + nom.toString());
                cosa = cosa + item.getString()+"<BR>";
            }
        }
        out.write("Files processing terminated...");
        out.flush();
        subFolders.clear();
        subFoldersP.clear();
        subFoldersPath.clear();
        corrente = 0;

       //File uploaded successfully

    } catch (Exception ex) {
       out.write("File Upload Failed due to " + ex); //mannaggia alla pupazza !!
    }

}else{

        out.write("Sorry, this function in restricted for internal purposes");  // eh no ciccio !
}
}



@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    vai(request,response);
}