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.ba.masters.stock; import com.ba.masters.configuration.BAConfigurationAction; import com.ba.util.BAHandleAllException; import java.util.HashMap; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.BeanUtils; import org.apache.log4j.Logger; import org.apache.struts.actions.DispatchAction; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionForward; import org.json.simple.JSONObject; /** * * @author ramesh */ public class BAStockAction extends DispatchAction { /* forward name="success" path="" */ private final static String SUCCESS = "success"; private int objPageCount = 0; private static Logger logger = Logger.getLogger(BAStockAction.class); /** * This is the Struts action method called on * http://.../actionPath?method=myAction1, where "method" is the value * specified in <action> element : ( <action parameter="method" .../> ) */ public ActionForward loadStock(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { logger.info(" loadStock method starts here"); return mapping.findForward(SUCCESS); } public ActionForward baSave(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { try { logger.info(" save method starts here"); BAStockActionForm formBean = (BAStockActionForm) form; BAStockDTO dto = new BAStockDTO(); BeanUtils.copyProperties(dto, formBean); int userId = (Integer) request.getSession().getAttribute("UserId"); int result = BaStockFactory.getInstanceOfBaStockFactory().insertStockData(dto, userId); if (result == 0) { request.setAttribute("response", "Record Insertion failed."); } if (result > 0) { request.setAttribute("response", "Record Inserted successfully."); } if (result < 0) { request.setAttribute("response", "Database Connection failed. Please check."); } } catch (Exception ex) { logger.error("The Exception is :" + ex); if (ex.toString().contains("com.mysql.jdbc.MysqlDataTruncation")) { request.setAttribute("ErrorMessage", "Data is not correctly inserted into Database.Insertion Failed"); } else if (ex.toString().contains("MySQLIntegrityConstraintViolationException")) { request.setAttribute("ErrorMessage", "Record already Exists"); } else { String errorMessage = BAHandleAllException.exceptionHandler(ex); request.setAttribute("ErrorMessage", errorMessage); } } return mapping.findForward(SUCCESS); } public ActionForward baUpdate(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { try { logger.info("update method starts here"); BAStockActionForm formBean = (BAStockActionForm) form; BAStockDTO dto = new BAStockDTO(); BeanUtils.copyProperties(dto, formBean); int userId = (Integer) request.getSession().getAttribute("UserId"); int result = BaStockFactory.getInstanceOfBaStockFactory().updateStockData(dto, userId); if (result == 0) { request.setAttribute("response", "Record Updation failed."); } if (result > 0) { request.setAttribute("response", "Record Updated successfully."); } if (result < 0) { request.setAttribute("response", "Database Connection failed. Please check."); } logger.info("This is also printed" + result); } catch (Exception ex) { logger.error("The Exception is :" + ex); if (ex.toString().contains("com.mysql.jdbc.MysqlDataTruncation")) { request.setAttribute("ErrorMessage", "Data is not correctly inserted into Database.Insertion Failed"); } else if (ex.toString().contains("MySQLIntegrityConstraintViolationException")) { request.setAttribute("ErrorMessage", "Record already Exists"); } else { String errorMessage = BAHandleAllException.exceptionHandler(ex); request.setAttribute("ErrorMessage", errorMessage); } } logger.info("This is also printedkkkkk2"); return mapping.findForward(SUCCESS); } public ActionForward baDelete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { try { logger.info("delete method starts here"); BAStockActionForm formBean = (BAStockActionForm) form; BAStockDTO dto = new BAStockDTO(); BeanUtils.copyProperties(dto, formBean); int result = BaStockFactory.getInstanceOfBaStockFactory().deleteStockData(dto); if (result == 0) { request.setAttribute("response", "Record Deletion failed."); } if (result > 0) { request.setAttribute("response", "Record Deleted successfully."); } if (result < 0) { request.setAttribute("response", "Database Connection failed. Please check."); } } catch (Exception ex) { logger.error("The Exception is :" + ex); if (ex.toString().contains("com.mysql.jdbc.MysqlDataTruncation")) { request.setAttribute("ErrorMessage", "Data is not correctly inserted into Database.Insertion Failed"); } else if (ex.toString().contains("MySQLIntegrityConstraintViolationException")) { request.setAttribute("ErrorMessage", "Record already Exists"); } else { String errorMessage = BAHandleAllException.exceptionHandler(ex); request.setAttribute("ErrorMessage", errorMessage); } } return mapping.findForward(SUCCESS); } public ActionForward baView(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { JSONObject json = new JSONObject(); BAStockDTO vo = new BAStockDTO(); try { logger.info(" view method starts here"); vo.setStockId((request.getParameter("stockId"))); vo.setStockName(request.getParameter("stockName")); vo.setTypeGroup(request.getParameter("typeGroup")); vo.setUnits(request.getParameter("units")); vo.setMrp((request.getParameter("mrp"))); List hashMpStockItemDet = BaStockFactory.getInstanceOfBaStockFactory().getStockDtls(1, vo); objPageCount = BaStockFactory.getInstanceOfBaStockFactory().getPageCount(vo); json.put("exception", ""); json.put("StockItemDets", hashMpStockItemDet); json.put("StockItemExit", hashMpStockItemDet.size()); json.put("objPageCount", objPageCount); // logger.warn("strCurrent PageNo ------------->"+objPageCount); } catch (Exception ex) { logger.error("The Exception is :" + ex); ex.printStackTrace(); json.put("exception", BAHandleAllException.exceptionHandler(ex)); } response.getWriter().write(json.toString()); return null; } public ActionForward baGet(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { JSONObject json = new JSONObject(); BAStockDTO vo = new BAStockDTO(); try { logger.info(" get method starts here"); String stockId = request.getParameter("search"); HashMap hashMpStockItemDet = BaStockFactory.getInstanceOfBaStockFactory().getStockItemDtls(stockId); json.put("exception", ""); json.put("StockItemDets", hashMpStockItemDet); json.put("StockItemExit", hashMpStockItemDet.size()); logger.warn("strCurrent PageNo ------------->" + objPageCount); } catch (Exception ex) { logger.error("The Exception is :" + ex); ex.printStackTrace(); json.put("exception", BAHandleAllException.exceptionHandler(ex)); } response.getWriter().write(json.toString()); return null; } public ActionForward getPageRecords(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { JSONObject json = new JSONObject(); BAStockDTO vo = new BAStockDTO(); logger.info(" getPageRecords method starts here"); try { logger.error("strCurrent PageNo ------------->" + objPageCount); vo.setStockId((request.getParameter("stockId"))); vo.setStockName(request.getParameter("stockName")); vo.setTypeGroup(request.getParameter("typeGroup")); vo.setUnits(request.getParameter("units")); vo.setMrp((request.getParameter("mrp"))); String strNavigation = request.getParameter("navigation"); int strCurrentPageNo = Integer.parseInt(request.getParameter("currentPageNo")); if (strNavigation != null && !strNavigation.equals("")) { if (strNavigation.equals("pre")) { strCurrentPageNo = strCurrentPageNo - 1; if (strCurrentPageNo <= 0) strCurrentPageNo = 1; } else if (strNavigation.equals("next")) { strCurrentPageNo = strCurrentPageNo + 1; if (strCurrentPageNo > objPageCount) strCurrentPageNo = objPageCount; } } logger.info("strCurrent PageNo ------------->" + strCurrentPageNo); List hashMpStockItemDet = BaStockFactory.getInstanceOfBaStockFactory().getStockDtls(strCurrentPageNo, vo); json.put("exception", ""); json.put("StockItemDets", hashMpStockItemDet); json.put("StockItemExit", hashMpStockItemDet.size()); } catch (Exception ex) { logger.error("The Exception is :" + ex); ex.printStackTrace(); json.put("exception", BAHandleAllException.exceptionHandler(ex)); } response.getWriter().write(json.toString()); return null; } }