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 servlets; import controle.ControladorEndereco; import controle.ControladorUsuario; import entidade.EnderecoEntidade; import entidade.TelefoneEntidade; import entidade.UsuarioEntidade; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; 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.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import persistencia.AdminDAO; import persistencia.EnderecoDAO; import persistencia.PersistenciaException; import persistencia.TelefoneDAO; import upload.JSONArray; import upload.JSONObject; import upload.RedefinirTamanhoImagem; import util.MD5; import util.ParametrosPagina; /** * * @author joaosantos */ public class EditarPerfiFotoUploadlServlet extends HttpServlet { private static final String DESTINATION_DIR_PATH = "http://localhost:8084"; /** * 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, Exception { response.setContentType("text/plain"); PrintWriter out = response.getWriter(); try { /* TODO output your page here. You may use following sample code. */ int idUsuario = 0; String finalidade = "fotoPerfil"; ArrayList<ParametrosPagina> lst = new ArrayList<ParametrosPagina>(); HttpSession session = request.getSession(); UsuarioEntidade Logado = (UsuarioEntidade) session.getAttribute("UsuarioLogado"); ServletFileUpload uploadHandler = new ServletFileUpload(new DiskFileItemFactory()); PrintWriter writer = response.getWriter(); StringBuilder json = new StringBuilder(); List<FileItem> items = uploadHandler.parseRequest(request); for (FileItem item : items) { if (item.isFormField()) //pegando os atributosd da pagina pelo MULTIPART form data { ParametrosPagina p = new ParametrosPagina(); p.setName(item.getFieldName()); p.setValor(item.getString()); lst.add(p); } } json.setLength(1); for (FileItem item : items) { if (!item.isFormField()) { JSONObject jsonObj = new JSONObject(); jsonObj.put("name", item.getName()); jsonObj.put("size", item.getSize()); jsonObj.put("url", DESTINATION_DIR_PATH + "/" + item.getName()); jsonObj.put("deleteUrl", DESTINATION_DIR_PATH + "/" + item.getName()); jsonObj.put("deleteType", "DELETE"); JSONArray jsonArray = new JSONArray(); jsonArray.put(jsonObj); //CRIANDO MD5 PELO Id DO Usuario MD5 md5 = new MD5(); String MD5 = md5.criarMD5ParaEnviarLink(Logado.getIdUsuario().toString()); String nome = MD5 + "_" + item.getName(); //LEMBRETE: limitar numero de imagensa para 5 // String path = request.getServletContext().getRealPath("/") + "fotos_usuarios/"; String path = getServletContext().getInitParameter("uploadDirectory"); String foto = "/fotos_usuarios/" + nome; File file = new File(path, nome); System.out.println(path); item.write(file); jsonArray.write(writer); //redefiniNDO tamanho DA imagem BufferedImage originalImage = ImageIO.read(new File(path + nome)); int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType(); BufferedImage resizeImageHintJpg = RedefinirTamanhoImagem.resizeImageWithHint(originalImage, type, finalidade); ImageIO.write(resizeImageHintJpg, "jpg", new File(path + nome)); BufferedImage resizeImageHintPng = RedefinirTamanhoImagem.resizeImageWithHint(originalImage, type, finalidade); ImageIO.write(resizeImageHintPng, "png", new File(path + nome)); //////////////// for (ParametrosPagina p : lst) { if (p.getName().equals("id_usuario")) { idUsuario = Integer.parseInt(p.getValor()); } } if (foto == null) { foto = "/img/foto_default.png"; } String nomeAdmin = AdminDAO.pegarNomeAdmin(); String emailAdmin = AdminDAO.pegarEmailAdmin(); ControladorUsuario.cadastrarFotoUsuario(idUsuario, foto, nomeAdmin, emailAdmin); response.sendRedirect("editar_perfil.jsp?msg=5"); } } } catch (PersistenciaException e) { response.sendRedirect("editar_perfil.jsp?msg=2&excep=" + e.getMessage()); } catch (SQLException e) { System.out.println(e); response.sendRedirect("editar_perfil.jsp?msg=3"); } catch (Exception e) { System.out.println(e); response.sendRedirect("editar_perfil.jsp?msg=4" + e); } finally { out.close(); } } // <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 (Exception ex) { Logger.getLogger(EditarPerfiFotoUploadlServlet.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 (Exception ex) { Logger.getLogger(EditarPerfiFotoUploadlServlet.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> }