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. */ import com.me.juragandiskon.EditProduct_Service; import com.me.juragandiskon.IOException_Exception; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.nio.file.Paths; 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.annotation.WebServlet; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.Part; import javax.xml.ws.WebServiceRef; 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; /** * * @author cmrudi */ @WebServlet(urlPatterns = { "/UploadImageEdit" }) public class UploadImageEdit extends HttpServlet { @WebServiceRef(wsdlLocation = "WEB-INF/wsdl/localhost_8081/MarketplaceWebService/EditProduct.wsdl") private EditProduct_Service service; private static final long serialVersionUID = 1L; // location to store file uploaded private static final String UPLOAD_DIRECTORY = "img"; // upload settings private static final int MEMORY_THRESHOLD = 1024 * 1024 * 3; // 3MB private static final int MAX_FILE_SIZE = 1024 * 1024 * 40; // 40MB private static final int MAX_REQUEST_SIZE = 1024 * 1024 * 50; // 50MB /** * 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, FileUploadException, IOException_Exception { // Check that we have a file upload request PrintWriter writer = response.getWriter(); String productName = ""; String description = ""; String price = ""; String pictureName = ""; String productId = ""; Cookie cookie = null; Cookie[] cookies = null; String selectedCookie = ""; // Get an array of Cookies associated with this domain cookies = request.getCookies(); if (cookies != null) { for (int i = 0; i < cookies.length; i++) { cookie = cookies[i]; if (cookie.getName().equals("JuraganDiskon")) { selectedCookie = cookie.getValue(); } } } else { writer.println("<h2>No cookies founds</h2>"); } if (!ServletFileUpload.isMultipartContent(request)) { // if not, we stop here writer.println("Error: Form must has enctype=multipart/form-data."); writer.flush(); return; } // configures upload settings DiskFileItemFactory factory = new DiskFileItemFactory(); // sets memory threshold - beyond which files are stored in disk factory.setSizeThreshold(MEMORY_THRESHOLD); // sets temporary location to store files factory.setRepository(new File(System.getProperty("java.io.tmpdir"))); ServletFileUpload upload = new ServletFileUpload(factory); // sets maximum size of upload file upload.setFileSizeMax(MAX_FILE_SIZE); // sets maximum size of request (include file + form data) upload.setSizeMax(MAX_REQUEST_SIZE); // constructs the directory path to store upload file // this path is relative to application's directory String uploadPath = new File(new File(getServletContext().getRealPath("")).getParent()).getParent() + "/web/" + UPLOAD_DIRECTORY; // creates the directory if it does not exist File uploadDir = new File(uploadPath); if (!uploadDir.exists()) { uploadDir.mkdir(); } try { // parses the request's content to extract file data @SuppressWarnings("unchecked") List<FileItem> formItems = upload.parseRequest(request); if (formItems != null && formItems.size() > 0) { // iterates over form's fields int k = 0; for (FileItem item : formItems) { // processes only fields that are not form fields if (!item.isFormField()) { k++; writer.println("if = " + k); String fileName = new File(item.getName()).getName(); pictureName = fileName; String filePath = uploadPath + File.separator + fileName; File storeFile = new File(filePath); // saves the file on disk item.write(storeFile); request.setAttribute("message", "Upload has been done successfully!"); writer.println("pictureName = " + pictureName); } else { k++; writer.println("else = " + k); // Get the field name String fieldName = item.getName(); // Get the field value String value = item.getString(); if (k == 0) { } else if (k == 1) { productId = value.trim(); writer.println("productId = " + productId); } else if (k == 2) { productName = value; writer.println("productName = " + productName); } else if (k == 3) { description = value; writer.println("description = " + description); } else if (k == 4) { price = value; writer.println("price = " + price); } } } } } catch (Exception ex) { request.setAttribute("message", "There was an error: " + ex.getMessage()); } String update = editTheProduct(Integer.valueOf(productId), productName, price, description, pictureName, selectedCookie); writer.println(update); //redirects client to message page getServletContext().getRequestDispatcher("/yourProduct.jsp").forward(request, response); } // <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(UploadImage.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException_Exception ex) { Logger.getLogger(UploadImageEdit.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(UploadImage.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException_Exception ex) { Logger.getLogger(UploadImageEdit.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> private String editTheProduct(int productId, java.lang.String productName, java.lang.String price, java.lang.String description, java.lang.String imageAddress, java.lang.String accessToken) throws IOException_Exception { // Note that the injected javax.xml.ws.Service reference as well as port objects are not thread safe. // If the calling of port operations may lead to race condition some synchronization is required. com.me.juragandiskon.EditProduct port = service.getEditProductPort(); return port.editTheProduct(productId, productName, price, description, imageAddress, accessToken); } }