servletExperimento.artefato.java Source code

Introduction

Here is the source code for servletExperimento.artefato.java

Source

/*
 * 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 servletExperimento;

import classes.ArquivoArtefato;
import classes.Artefato;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
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.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import persistencia.ArtefatoPersistencia;

/**
 *
 * @author Leandro Ungari Cayres <leandroungari@gmail.com>
 */
public class artefato 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
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            HttpSession sessao = request.getSession(false);
            String tipo = (String) sessao.getAttribute("tipoArtefato");

            if (tipo.equals("adicionar")) {
                boolean isMultiPart = ServletFileUpload.isMultipartContent(request);
                if (isMultiPart) {
                    FileItemFactory factory = new DiskFileItemFactory();
                    ServletFileUpload upload = new ServletFileUpload(factory);
                    upload.setHeaderEncoding("UTF-8");
                    List items;

                    ArrayList<String> arquivos = new ArrayList<String>();

                    String caminho = getServletContext().getRealPath("/experimentador/experimento/artefato") + "/"; //?lv: 2\ -> /

                    items = upload.parseRequest(request);
                    Iterator iter = items.iterator();
                    String nome = null, descricao = null, tipoArt = null;
                    while (iter.hasNext()) {
                        FileItem item = (FileItem) iter.next();
                        if (item.isFormField()) {
                            String name = item.getFieldName();
                            String value = new String(item.getString().getBytes("ISO-8859-1"), "UTF-8");
                            if (value.equals("") || value == null) {
                                response.sendRedirect("experimentador/experimento/plano_artefato.jsp?msg=1");
                            } else {
                                if (name.equals("nome")) {
                                    nome = (value);
                                }
                                if (name.equals("descricao")) {
                                    descricao = (value);
                                }
                                if (name.equals("tipo_artefato")) {
                                    tipoArt = (value);
                                }
                                if (name.equals("idexperimento")) {
                                    //artefato.setIdexperimento(Integer.parseInt(value));
                                    caminho = caminho + "artefato_" + value + "/"; //?lvaro: 2\ -> /
                                }
                            }
                        } else {
                            if (!item.getName().equals("")) {
                                String path = new String();
                                path = item.getName();
                                this.inserirImagemDiretorio(item, caminho);
                                arquivos.add(path);
                            }
                        }
                    }

                    if (descricao != null && nome != null) {

                        if (Controladores.Controlador.criarArtefato(nome, descricao, tipoArt)) {
                            if (!arquivos.isEmpty()) {
                                int tam = arquivos.size();
                                for (int t = 0; t < tam; t++) {

                                    Controladores.Controlador.criarArquivoArtefato(nome, descricao,
                                            Controladores.Controlador.listarArtefatos()
                                                    .get(Controladores.Controlador.listarArtefatos().size() - 1));
                                }
                            }
                            response.sendRedirect("experimentador/experimento/plano_artefato.jsp?msg=0");
                        } else {
                            response.sendRedirect("experimentador/experimento/plano_artefato.jsp?msg=2");
                        }
                    }
                }
            }

        } catch (FileUploadException ex) {
            Logger.getLogger(artefato.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(artefato.class.getName()).log(Level.SEVERE, null, ex);
        } catch (Exception ex) {
            Logger.getLogger(artefato.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    private void inserirImagemDiretorio(FileItem item, String caminho) throws IOException, Exception {

        // Cria o diretrio caso ele no exista
        File diretorio = new File(caminho);
        if (!diretorio.exists()) {
            diretorio.mkdirs();
        }

        // Mandar o arquivo para o diretrio informado
        String nome = item.getName();
        String arq[] = nome.split("/"); //?lvaro: 4\ -> /
        for (int i = 0; i < arq.length; i++) {
            nome = arq[i];
        }

        // Grava o arquivo em disco
        File file = new File(diretorio, nome);
        item.write(file);
    }

    // <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>

}