Java tutorial
package com.hp.avmon.home.web; import java.io.IOException; import java.io.PrintWriter; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.hp.avmon.common.Config; import com.hp.avmon.common.jackjson.JackJson; import com.hp.avmon.home.service.HomeService; import com.hp.avmon.home.service.LicenseService; import com.hp.avmon.system.service.SystemService; import com.hp.avmon.utils.Utils; /** * Handles requests for the application home page. */ @Controller public class HomeController { private static final Logger logger = LoggerFactory.getLogger(HomeController.class); @Autowired private JdbcTemplate jdbcTemplate; @Autowired private HomeService homeService; @Autowired private SystemService systemService; @Autowired private LicenseService licenseService; /** * * @throws IOException * @throws ServletException */ @RequestMapping(value = "/") public void index(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { // ? logger.debug("go to login.jsp !!!"); //return main(session,model); //request.getRequestDispatcher("modules/index.jsp").forward(request, response); response.sendRedirect("modules/index.jsp"); } @RequestMapping("/logout") public void logout(HttpServletRequest request, HttpServletResponse response) throws IOException { // ? request.getSession().removeAttribute(Config.CURRENT_USER); logger.debug("logout !!!"); response.sendRedirect("modules/index.jsp"); } @RequestMapping(value = "/login") public void login(HttpServletRequest request, PrintWriter writer) { Map map = new HashMap(); String errorMsg = ""; String userId = request.getParameter("userId"); String password = request.getParameter("password"); logger.debug("user {} is logging ...", userId); try { if (StringUtils.isBlank(userId)) { errorMsg += "???.\n"; } else if (StringUtils.isBlank(password)) { errorMsg += "??.\n"; } else { String sql = String.format( "select * from portal_users where ( USER_ID='%s' or user_id='%s') and password='%s'", userId, userId, password); List list = jdbcTemplate.queryForList(sql); if (list.size() > 0) { Map userMap = (Map) list.get(0); //???? sql = String.format("select d.module_id from PORTAL_USERS a,PORTAL_USERS_PORTAL_ROLES b," + "PORTAL_ROLES_PORTAL_MODULES c,PORTAL_MODULES d where a.id=b.PORTAL_USER_ROLES_ID and " + "b.PORTAL_ROLE_ID=c.PORTAL_ROLE_MODULES_ID and c.PORTAL_MODULE_ID=d.id and " + "a.USER_ID='%s'", userId); list = jdbcTemplate.queryForList(sql); String modules = ","; if (list.size() > 0) { for (Map m : (List<Map>) list) { modules += m.get("MODULE_ID") + ","; } } userMap.put("modules", modules); request.getSession().setAttribute(Config.CURRENT_USER, userMap); // onLoginSuccess(userId); logger.info("{}?", userMap.get("USER_ID")); map.put("userId", userMap.get("USER_ID")); map.put("userName", userMap.get("REAL_NAME")); } else { errorMsg += "????\n"; } } } catch (Exception e) { logger.error("Exception: {}", e); } if (!errorMsg.equals("")) { map.put("errorMsg", errorMsg); } else { //1?license cpu // boolean licenseCpu = licenseService.isRgsCodeRigthForRegis(); // if(!licenseCpu){ // map.put("errorMsg", "License?"); // }else{ // //2?license // boolean licenseDate = licenseService.isDateValidLicense(); // if(!licenseDate){ // map.put("errorMsg", "License?"); // } // } } String json = JackJson.fromObjectToJson(map); writer.write(json); writer.flush(); writer.close(); } private void onLoginSuccess(String userId) { // TODO Auto-generated method stub //alarmViewService.buildAlarmTreeTable(userId); //alarmViewService.buildAlarmTreePath(userId); } /** * ? * @throws IOException */ @RequestMapping("/main/index") public String main(HttpSession session, Model model) throws IOException { Map baseUser = (Map) session.getAttribute(Config.CURRENT_USER); if (baseUser == null) { return "login"; } else { HashMap map = homeService.getUserMenuTree((String) baseUser.get("USER_ID")); model.addAttribute("menu", map); } return "main/index"; } /** * */ @RequestMapping("/header") public String header() { return "header"; } /** * ? */ @RequestMapping("/welcome") public String welcome() { return "welcome"; } @RequestMapping("/sysMag") public String sysMag() { return "/user/main"; } @RequestMapping("/dashboard-designer") public String dashboardDesigner() { return "designer/dashboard"; } @RequestMapping("/test") public String test() { return "test/test"; } @RequestMapping("/dev") public String dev() { return "dev"; } @RequestMapping(value = "main/menuTree") public void getMenuTree(HttpServletRequest request, PrintWriter writer) throws Exception { String userId = Utils.getCurrentUserId(request); String type = request.getParameter("type"); String parentId = request.getParameter("id"); if (parentId == null || parentId.equals("")) { parentId = "root"; } Object obj = homeService.getMenuTree(userId, parentId, type); String json = JackJson.fromObjectToJson(obj); //System.out.println(json); writer.write(json); writer.flush(); writer.close(); } @RequestMapping("/updateUserPwd") public String updateUserPwd(HttpServletResponse response, HttpServletRequest request) { String data = ""; try { String account = request.getParameter("account"); String oldPwd = request.getParameter("oldPassword"); String newPwd = request.getParameter("password"); String sql = String.format("select * from portal_users where USER_ID='%s' and password='%s'", account, oldPwd); List list = jdbcTemplate.queryForList(sql); if (list.size() > 0) { String updatePwdSql = String.format("update portal_users set password='%s' where USER_ID='%s'", newPwd, account); systemService.execute(updatePwdSql); data = "{success:true,msg:'?!'}"; } else { data = "{success:false,msg:'?!'}"; return Utils.responsePrintWrite(response, data, null); } } catch (Exception e) { e.printStackTrace(); logger.error(this.getClass().getName() + " updateUserPwd", e); data = "{success:false,msg:'!'}"; } return Utils.responsePrintWrite(response, data, null); } @RequestMapping(value = "/getRegCode") public void getRegCode(HttpServletRequest request, PrintWriter writer) { Map map = new HashMap(); try { String regCode = licenseService.getServerCpuIdFromFile(); map.put("regCode", regCode); } catch (Exception e) { logger.error("Exception: {}", e); } String json = JackJson.fromObjectToJson(map); writer.write(json); writer.flush(); writer.close(); } @RequestMapping(value = "/registLicense") public void registLicense(HttpServletRequest request, PrintWriter writer) { String data = ""; try { String license = request.getParameter("license"); licenseService.saveOrUpdateLicense(license); System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" + license); data = "{success:true,msg:'?!'}"; } catch (Exception e) { logger.error("Exception: {}", e); data = "{success:false,msg:'!'}"; } writer.write(data); writer.flush(); writer.close(); } }