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.recipes.controller; import com.recipes.dao.DAO; import com.recipes.entity.Dictionary; import com.recipes.entity.Tips; import com.recipes.entity.User; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.fileupload.FileItem; @WebServlet(name = "AdminP", urlPatterns = { "/AdminP" }) public class AdminP 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"); HttpSession session = request.getSession(true); DAO dao = new DAO(); if (request.getParameter("createUser") != null) { FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); try { List<FileItem> fields = upload.parseRequest(request); Iterator<FileItem> it = fields.iterator(); if (!it.hasNext()) { // fayl yoxdur mesaj return; } String firstname = "";//String deyiwenleri gotururuy String lastname = ""; String email = ""; String password = ""; String image = ""; String address = ""; String gender = ""; String admin = ""; while (it.hasNext()) { // eger file varsa FileItem fileItem = it.next(); // iteratorun next metodu cagrilir boolean isFormField = fileItem.isFormField(); // isformField-input yoxlanilirki if (isFormField) { // eger isFormFIelddise switch (fileItem.getFieldName()) { case "name": firstname = fileItem.getString("UTF-8").trim(); break; case "surname": lastname = fileItem.getString("UTF-8").trim(); break; case "address": address = fileItem.getString("UTF-8").trim(); break; case "email": email = fileItem.getString("UTF-8").trim(); break; case "password": password = fileItem.getString("UTF-8").trim(); break; case "gender": gender = fileItem.getString("UTF-8").trim(); break; case "admin": admin = fileItem.getString("UTF-8").trim(); break; } } else { if (fileItem.getFieldName().equals("image")) { if (!fileItem.getString("UTF-8").trim().equals("")) { image = fileItem.getName(); image = dao.generateCode() + image; String relativeWebPath = "photos"; String absoluteDiskPath = getServletContext().getRealPath(relativeWebPath); File file = new File(absoluteDiskPath + "/", image); fileItem.write(file); } } } } User up = new User(); up.setAddress(address); up.setEmail(email); up.setFirstname(firstname); up.setLastname(lastname); up.setGender(gender); up.setPassword(password); up.setImage("photos/" + image); if (admin.equals("on")) up.setAdmin(1); else up.setAdmin(0); dao.insertUser(up); response.sendRedirect("admin/users.jsp"); } catch (Exception e) { e.printStackTrace(System.out); } } else if (request.getParameter("delete") != null) { dao.deleteUser(request.getParameter("id")); response.sendRedirect("admin/users.jsp"); } else if (request.getParameter("approveRecipe") != null) { String id = request.getParameter("approveRecipe"); dao.approveRecipe(id); response.sendRedirect("admin/recipes.jsp"); } else if (request.getParameter("deleteRecipe") != null) { String id = request.getParameter("deleteRecipe"); dao.deleteRecipe(id); response.sendRedirect("admin/recipes.jsp"); } else if (request.getParameter("deleteDictionary") != null) { dao.deleteDictionary(request.getParameter("deleteDictionary")); response.sendRedirect("admin/dictionary.jsp"); } else if (request.getParameter("createWord") != null) { Dictionary dic = new Dictionary(); dic.setWord(request.getParameter("word")); dic.setAbout(request.getParameter("about")); dao.insertDictionary(dic); response.sendRedirect("admin/dictionary.jsp"); } else if (request.getParameter("createTips") != null) { Tips tips = new Tips(); tips.setFrom(request.getParameter("from")); tips.setTips(request.getParameter("tips")); dao.insertTips(tips); response.sendRedirect("admin/tips.jsp"); } else if (request.getParameter("deleteTips") != null) { dao.deleteTips(request.getParameter("deleteTips")); response.sendRedirect("admin/tips.jsp"); } else { response.sendRedirect("admin/users.jsp"); } } // <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> }