Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package pe.edu.upeu.application.web.controller; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Calendar; import java.util.GregorianCalendar; import java.util.Iterator; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.fileupload.servlet.ServletRequestContext; import pe.edu.upeu.application.dao.ContratoDAO; import pe.edu.upeu.application.dao.DocumentoDAO; import pe.edu.upeu.application.dao_imp.InterfaceContratoDAO; import pe.edu.upeu.application.dao_imp.InterfaceDocumentoDAO; import pe.edu.upeu.application.factory.FactoryConnectionDB; import pe.edu.upeu.application.model.Renombrar; /** * * @author joserodrigo */ public class Cdocumento_adjunto extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> * methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ InterfaceContratoDAO c = new ContratoDAO(); protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, FileUploadException, InterruptedException { response.setContentType("text/html;charset=UTF-8"); String dgp = request.getParameter("iddgp"); String idtr = request.getParameter("idtr"); String idctr = request.getParameter("idctr"); String opc = request.getParameter("opc"); HttpSession sesion = request.getSession(true); String user = (String) sesion.getAttribute("IDUSER"); PrintWriter out = response.getWriter(); // try (PrintWriter out = response.getWriter()) { if (opc != null) { if (opc.equals("Eliminar")) { String id_c = request.getParameter("idc"); c.Eliminar_Contratos_firmados(id_c); int coun_doc = c.Count_doc_con(request.getParameter("idc")); response.sendRedirect("Vista/Contrato/Formato_Plantilla/Subir_Contrato_Firmado.jsp?idc=" + id_c + "&coun_doc=" + coun_doc); //out.print(coun_doc + id_c); } } else { String ubicacion = FactoryConnectionDB.url + "/Contratos_Adjuntos/"; System.out.println("Enter to Save Contrato"); DiskFileItemFactory f = new DiskFileItemFactory(); f.setSizeThreshold(1024); f.setRepository(new File(ubicacion)); ServletFileUpload upload = new ServletFileUpload(f); ServletRequestContext src = new ServletRequestContext(request); // try { List<FileItem> p = upload.parseRequest(src); int num_filas = 0; String idc = null; List<String> list_files = new ArrayList<String>(); Iterator itera = p.iterator(); while (itera.hasNext()) { FileItem i_n_f = (FileItem) itera.next(); if (i_n_f.isFormField()) { String nombre = i_n_f.getFieldName(); String valor = i_n_f.getString(); num_filas = (nombre.equals("num")) ? Integer.parseInt(valor) : num_filas; if (nombre.equals("idc") & idc == null) { idc = valor; } } } String nombre_archivo = null; String estado = null; String archivo = null; int num = 0; String no_original = null; Iterator it = p.iterator(); while (it.hasNext()) { FileItem item = (FileItem) it.next(); if (item.isFormField()) { String nombre = item.getFieldName(); } else { String fieldName = item.getFieldName(); num++; Calendar fecha = new GregorianCalendar(); int hora = fecha.get(Calendar.HOUR_OF_DAY); int min = fecha.get(Calendar.MINUTE); int sec = fecha.get(Calendar.SECOND); if (fieldName.equals("archivo") & item.getName() != null) { if (!item.getName().equals("")) { // out.println(item.getFieldName() + " : " + item.getName()); nombre_archivo = String.valueOf(hora) + String.valueOf(min) + String.valueOf(sec) + "_" + num + idc + "_" + item.getName().toUpperCase(); no_original = item.getName(); Thread thread = new Thread(new Renombrar(item, ubicacion, nombre_archivo)); thread.start(); archivo = no_original + ":" + nombre_archivo; list_files.add(archivo); } } else { no_original = no_original; nombre_archivo = nombre_archivo; } out.print(no_original); if (nombre_archivo != null) { if (!nombre_archivo.equals("")) { estado = ((estado == null) ? "0" : estado); for (int t = 0; t < list_files.size(); t++) { c.INSERT_CONTRATO_ADJUNTO(null, idc, nombre_archivo, no_original, null, null, null, null, null, null); String g[] = list_files.get(t).split(":"); } list_files.clear(); } } no_original = null; estado = null; no_original = null; } } Thread.sleep(2000); int coun_doc = c.Count_doc_con(idc); if (coun_doc > 0) { response.sendRedirect("Vista/Contrato/Formato_Plantilla/Subir_Contrato_Firmado.jsp?idc=" + idc + "&coun_doc=" + coun_doc); } else { response.sendRedirect("Vista/Contrato/Formato_Plantilla/Subir_Contrato_Firmado.jsp?idc=" + idc + "&coun_doc=" + coun_doc); } } // } } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { processRequest(request, response); } catch (FileUploadException ex) { Logger.getLogger(Cdocumento_adjunto.class.getName()).log(Level.SEVERE, null, ex); } catch (InterruptedException ex) { Logger.getLogger(Cdocumento_adjunto.class.getName()).log(Level.SEVERE, null, ex); } } /** * Handles the HTTP <code>POST</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { processRequest(request, response); } catch (FileUploadException ex) { Logger.getLogger(Cdocumento_adjunto.class.getName()).log(Level.SEVERE, null, ex); } catch (InterruptedException ex) { Logger.getLogger(Cdocumento_adjunto.class.getName()).log(Level.SEVERE, null, ex); } } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }