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public class Serform extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = response.getWriter();
try {
entree(request);
sortie(response);
ServletContext context = getServletContext();
RequestDispatcher dispatcher = context.getRequestDispatcher("/index.jsp");
dispatcher.forward(request, response);
}
catch(IOException esc){
int sc=Integer.parseInt(esc.getCause().toString());
response.sendError(sc,"veuiller verifier vos entrées/sorties");
esc.printStackTrace();
}
catch(Exception ex){
ex.printStackTrace();
}
finally {
out.close();
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
public void entree(HttpServletRequest request)throws IOException, JDOMException{
List<String> liste=new ArrayList<String>();
Document document;
List<Element> doc;
String textfile="dat.xml";
SAXBuilder sxb=new SAXBuilder();
document=sxb.build(new File(textfile));
if (document != null){
doc =document.getRootElement().getChildren();
if (doc != null){
for(Element courant:doc){
liste.add((String)courant.getChild("nom").getTextTrim());
}
request.setAttribute("donnees",liste);
}
}
}
public void sortie(HttpServletResponse response)throws IOException{
PrintWriter out = response.getWriter();
out.println("<script>alert('voici la taille du doc="+doc.size()+"');</script>");
}
} |
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