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.department; 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 BADepartmentAction extends DispatchAction { private int objPageCount = 0; /* forward name="success" path="" */ private final static String SUCCESS = "success"; private static Logger logger = Logger.getLogger(BADepartmentAction.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 loadDepartment(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { logger.info(" loadDepartment method starts here"); return mapping.findForward(SUCCESS); } public ActionForward baSave(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { logger.info(" save method starts here"); try { BADepartmentActionForm formBean = (BADepartmentActionForm) form; BADepartmentDTO dto = new BADepartmentDTO(); BeanUtils.copyProperties(dto, formBean); int userId = (Integer) request.getSession().getAttribute("UserId"); int result = BADepartmentFactory.getInstanceOfBaDepartmentFactory().insertDepartmentData(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 { logger.info(" update method starts here"); try { BADepartmentActionForm formBean = (BADepartmentActionForm) form; BADepartmentDTO dto = new BADepartmentDTO(); BeanUtils.copyProperties(dto, formBean); int userId = (Integer) request.getSession().getAttribute("UserId"); int result = BADepartmentFactory.getInstanceOfBaDepartmentFactory().updateDepartmentData(dto, userId); if (result == 0) { request.setAttribute("response", "Record Update failed."); } if (result > 0) { request.setAttribute("response", "Record Updated 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 baDelete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { logger.info(" delete method starts here"); try { BADepartmentActionForm formBean = (BADepartmentActionForm) form; BADepartmentDTO dto = new BADepartmentDTO(); BeanUtils.copyProperties(dto, formBean); int result = BADepartmentFactory.getInstanceOfBaDepartmentFactory().deleteDepartmentData(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(); BADepartmentDTO vo = new BADepartmentDTO(); logger.info(" view method starts here"); try { // logger.info("======In GcsStockItemAction Action cmsGet method======"); vo.setDepId(request.getParameter("depId")); vo.setDepName(request.getParameter("depName")); List hashMpDepartmentDet = BADepartmentFactory.getInstanceOfBaDepartmentFactory().getDepartmentDtls(1, vo); objPageCount = BADepartmentFactory.getInstanceOfBaDepartmentFactory().getPageCount(vo); json.put("exception", ""); json.put("DepartmentDets", hashMpDepartmentDet); json.put("DepartmentExit", hashMpDepartmentDet.size()); json.put("objPageCount", objPageCount); logger.warn("strCurrent PageNo ------------->" + objPageCount); logger.error(" records " + hashMpDepartmentDet); } catch (Exception ex) { logger.error("The Exception is :" + ex); ex.printStackTrace(); json.put("exception", BAHandleAllException.exceptionHandler(ex)); } response.getWriter().write(json.toString()); return null; } /** * This is the Struts action method called on * http://.../actionPath?method=myAction2, where "method" is the value * specified in <action> element : ( <action parameter="method" .../> ) */ public ActionForward baGet(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { JSONObject json = new JSONObject(); BADepartmentDTO vo = new BADepartmentDTO(); try { logger.info(" get method starts here"); String depId = request.getParameter("search"); HashMap hashMpDepartmentDet = BADepartmentFactory.getInstanceOfBaDepartmentFactory() .getDepartmentDtls(depId); json.put("exception", ""); json.put("DepartmentDets", hashMpDepartmentDet); json.put("DepartmentExit", hashMpDepartmentDet.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 myAction2(ActionMapping mapping, ActionForm form, // HttpServletRequest request, HttpServletResponse response) // throws Exception // { // // return mapping.findForward(SUCCESS); // } public ActionForward getPageRecords(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { JSONObject json = new JSONObject(); BADepartmentDTO vo = new BADepartmentDTO(); logger.info(" getPageRecords method starts here"); try { logger.error("strCurrent PageNo ------------->" + objPageCount); vo.setDepId(request.getParameter("depId")); vo.setDepName(request.getParameter("depName")); 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.error("strCurrent PageNo ------------->" + strCurrentPageNo); List hashMpDepartmentDet = BADepartmentFactory.getInstanceOfBaDepartmentFactory() .getDepartmentDtls(strCurrentPageNo, vo); json.put("exception", ""); json.put("DepartmentDets", hashMpDepartmentDet); json.put("DepartmentExit", hashMpDepartmentDet.size()); // json.put("objPageCount", 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; } }