DepartmentFormController.java

package by.testweb.web.formcontrollers;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.ui.ModelMap;

import org.springframework.validation.BindingResult;

import org.springframework.web.bind.annotation.ModelAttribute;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.support.SessionStatus;

import by.testweb.dto.DepartmentDto;

import by.testweb.dto.EmployeeDto;

import by.testweb.service.IDepartmentService;

import by.testweb.service.IEmployeeService;

import by.testweb.web.validators.DepartmentValidator;

@Controller

@RequestMapping("/Departments.html")

public class DepartmentFormController {

DepartmentValidator departmentValidator;

@Autowired

public DepartmentFormController(DepartmentValidator departmentValidator){

this.departmentValidator = departmentValidator;

}

@Autowired

IDepartmentService departmentManagerService;

@Autowired

IEmployeeService employeeManagerService;

final Log logger = LogFactory.getLog(getClass());

@RequestMapping(method = RequestMethod.POST)

public String processSubmit(

@ModelAttribute ("department") DepartmentDto department,

BindingResult result, SessionStatus status,

HttpServletRequest request, ModelMap model) {

if(isSave(request)){

departmentValidator.validate(department, result);

if(!result.hasErrors()){

if(department.getId()!=null){

departmentManagerService.update(department);

logger.info("Update department, new name - "+department.getName()+"; id- "+department.getId()+"; for " +request.getRemoteAddr());

}else{

Long id = departmentManagerService.save(department);

department.setId(id);

logger.info("Save new department - "+department.getName()+"; id- "+id+"; for " +request.getRemoteAddr());

}

}

}

if(isNew(request)){

forceBind(department, new DepartmentDto());

}

if(isDelete(request)){

logger.info("Delete department - "+department.getName()+"; id- "+department.getId()+"; for " +request.getRemoteAddr());

departmentManagerService.deleteById(department.getId());

forceBind(department, new DepartmentDto());

}

if(isReselect(request)){

DepartmentDto newDepartment = departmentManagerService.getDepartmentById(department.getId());

forceBind(department, newDepartment);

logger.info("Select department - "+newDepartment.getName()+"; id- "+newDepartment.getId()+"; for " +request.getRemoteAddr());

}

if(isEmployee(request)){

request.getSession().setAttribute("employeeId", getEmployeeId(request));

return "redirect:Employers.html";

}

model.addAttribute("isNew", isNew(department));

model.addAttribute("department", department);

model.addAttribute("departments", getDepartments());

model.addAttribute("employers", getEmployers(department));

return "Departments";

}

@RequestMapping(method = RequestMethod.GET)

public String initForm(ModelMap model, HttpServletRequest request) {

if(request.getSession().getAttribute("departmentId")!=null){

Long id = (Long)request.getSession().getAttribute("departmentId");

request.getSession().setAttribute("departmentId", null);

model.addAttribute("isNew", false);

model.addAttribute("employers", getEmployersByDepartmentId(id));

model.addAttribute("department", departmentManagerService.getDepartmentById(id));

}else{

model.addAttribute("department", new DepartmentDto());

}

return "Departments";

}

@ModelAttribute("departments")

public List<DepartmentDto> getDepartments(){

return departmentManagerService.getAllDepartments();

}

@ModelAttribute("employers")

public List<EmployeeDto> getEmployers(@ModelAttribute ("department") DepartmentDto department){

if(department.getId()!=null){

return employeeManagerService.getEmployersByDepartment(department.getId());

}else{

return null;

}

}

public List<EmployeeDto> getEmployersByDepartmentId(Long id){

return employeeManagerService.getEmployersByDepartment(id);

}

@ModelAttribute("isNew")

public boolean isNew(@ModelAttribute ("department") DepartmentDto department){

return department.getId()==null;

}

private boolean isSave(HttpServletRequest request){

return request.getParameter("save")!=null;

}

private boolean isNew(HttpServletRequest request){

return request.getParameter("new")!=null;

}

private boolean isDelete(HttpServletRequest request){

return request.getParameter("delete")!=null;

}

private boolean isEmployee(HttpServletRequest request){

return request.getParameter("employee")!=null;

}

private boolean isReselect(HttpServletRequest request){

return (!isSave(request) & !isNew(request) & !isDelete(request) & !isEmployee(request));

}

private Long getEmployeeId(HttpServletRequest request){

if(request.getParameter("employers")!=null && !request.getParameter("employers").equals("")){

return Long.valueOf(request.getParameter("employers").toString());

}else{

return null;

}

}

private void forceBind(DepartmentDto command, DepartmentDto department){

command.setId(department.getId());

command.setName(department.getName());

}

}

Date: 2016-01-14; view: 576