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 com.izv.controlador; import com.izv.hibernate.Fotos; import com.izv.hibernate.Inmueble; import com.izv.modelo.ControlDB; import com.izv.modelo.ModeloFoto; import com.izv.modelo.ModeloInmueble; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.sql.ResultSet; import java.sql.SQLException; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.ServletException; import javax.servlet.annotation.MultipartConfig; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.Part; import org.json.JSONException; import org.json.JSONObject; /** * * @author AngelakaMogu */ @WebServlet(name = "Controlador", urlPatterns = { "/control" }) @MultipartConfig public class Controlador extends HttpServlet { SimpleDateFormat format; /** * 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 */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String destino = "index.html"; boolean forward = false; String target, op, action, view; target = request.getParameter("target"); op = request.getParameter("op"); action = request.getParameter("action"); if (target.equals("inmobiliaria") && op.equals("select") && action.equals("view")) { forward = true; destino = "WEB-INF/inmobiliaria/index.jsp"; request.setAttribute("datos", ModeloInmueble.get()); } else { if (target.equals("inmobiliaria") && op.equals("delete") && action.equals("op")) { forward = false; ModeloInmueble.delete(request.getParameter("id")); destino = "control?target=inmobiliaria&op=select&action=view"; } else { if (target.equals("inmobiliaria") && op.equals("insert") && action.equals("view")) { forward = true; destino = "WEB-INF/inmobiliaria/insert.jsp"; } else { if (target.equals("inmobiliaria") && op.equals("insert") && action.equals("op")) { forward = false; destino = "control?target=inmobiliaria&op=select&action=view"; format = new SimpleDateFormat(); format.applyPattern("yyyy-dd-MM"); Calendar cal = Calendar.getInstance(); Date date = cal.getTime(); format.format(date); Inmueble inmueble = new Inmueble(); inmueble.setLocalidad(request.getParameter("localidad")); inmueble.setDireccion(request.getParameter("direccion")); inmueble.setTipo(request.getParameter("tipo")); inmueble.setUsuario(request.getParameter("usuario")); inmueble.setPrecio(request.getParameter("precio")); inmueble.setFechaalta(date); ModeloInmueble.insert(inmueble); } else { if (target.equals("inmobiliaria") && op.equals("edit") && action.equals("view")) { forward = true; request.setAttribute("inmueble", ModeloInmueble.get(request.getParameter("id"))); destino = "WEB-INF/inmobiliaria/edit.jsp"; } else { if (target.equals("inmobiliaria") && op.equals("edit") && action.equals("op")) { forward = false; destino = "control?target=inmobiliaria&op=select&action=view"; Inmueble inmueble = new Inmueble(); inmueble.setLocalidad(request.getParameter("localidad")); inmueble.setDireccion(request.getParameter("direccion")); inmueble.setTipo(request.getParameter("tipo")); inmueble.setUsuario(request.getParameter("usuario")); inmueble.setId(Integer.parseInt(request.getParameter("id"))); inmueble.setPrecio(request.getParameter("precio")); String fecha = request.getParameter("fecha"); format = new SimpleDateFormat(); format.applyPattern("yyyy-dd-MM"); Date date = null; try { date = format.parse(fecha); } catch (ParseException ex) { Logger.getLogger(Controlador.class.getName()).log(Level.SEVERE, null, ex); } inmueble.setFechaalta(date); //String id=request.getParameter("id"); ModeloInmueble.update(inmueble); } else { if (target.equals("inmobiliaria") && op.equals("imagen") && action.equals("view")) { forward = true; request.setAttribute("inmueble", ModeloInmueble.get(request.getParameter("id"))); destino = "WEB-INF/inmobiliaria/addImagen.jsp"; } else { if (target.equals("inmobiliaria") && op.equals("imagen") && action.equals("op")) { forward = false; boolean error = false; String id = request.getParameter("id"); response.setContentType("text/html;charset=UTF-8"); Calendar calendario = new GregorianCalendar(); Date date = calendario.getTime(); SimpleDateFormat formatoFecha = new SimpleDateFormat("yyyy-MM-dd-hh-mm-ss"); String fecha = formatoFecha.format(date); String titulo = "inmueble_" + id + "_" + fecha; Part archivoPost = request.getPart("archivo"); String carpeta = getServletContext().getRealPath("/") + "fotos/"; InputStream input = archivoPost.getInputStream(); try { OutputStream out = new FileOutputStream(carpeta + titulo + ".jpg"); byte[] b = new byte[2048]; int length; while ((length = input.read(b)) != -1) { out.write(b, 0, length); } } catch (Exception e) { error = true; } finally { input.close(); } Fotos fot = new Fotos(); fot.setIdinmueble(Integer.valueOf(id)); fot.setNombre(titulo + ".jpg"); ModeloFoto.insert(fot); destino = "control?target=inmobiliaria&op=select&action=view"; } else { if (target.equals("inmobiliaria") && op.equals("imagenes") && action.equals("view")) { forward = true; request.setAttribute("inmueble", ModeloInmueble.get(request.getParameter("id"))); destino = "WEB-INF/inmobiliaria/imageview.jsp"; } else { if (target.equals("inmobiliaria") && op.equals("deletefoto") && action.equals("op")) { forward = false; ModeloFoto.delete(request.getParameter("id")); destino = "control?target=inmobiliaria&op=select&action=view"; } } } } } } } } } } if (forward) { request.getRequestDispatcher(destino).forward(request, response); } else { response.sendRedirect(destino); } } private String getFecha() { Date now = new Date(); SimpleDateFormat formato = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return formato.format(now); } // <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 { processRequest(request, response); } /** * 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 { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }