Java tutorial
package com.realdolmen.rdfleet.webmvc.controllers.fleet; import com.realdolmen.rdfleet.domain.RdEmployee; import com.realdolmen.rdfleet.service.EmployeeCarService; import com.realdolmen.rdfleet.service.EmployeeService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.fromMappingName; @Controller @RequestMapping("/fleet/company-cars") public class CompanyCarManagementController { @Autowired private EmployeeCarService employeeCarService; @Autowired private EmployeeService employeeService; @RequestMapping(method = RequestMethod.GET) public String viewCompanyCars(Model model) { model.addAttribute("employeeCarList", employeeCarService.findAllEmployeeCars()); return "fleet/companycar.list"; } @RequestMapping(value = "/{employeeCarLicensePlate}", method = RequestMethod.GET) public String viewCompanyCar(@PathVariable("employeeCarLicensePlate") String employeeCarLicensePlate, Model model) { model.addAttribute("employeeCar", employeeCarService.findEmployeeCarByLicensePlate(employeeCarLicensePlate)); return "fleet/companycar.detail"; } @RequestMapping(value = "/employee/{employeeCarLicensePlate}", method = RequestMethod.GET) public String viewCompanyCarWithEmployee( @PathVariable("employeeCarLicensePlate") String employeeCarLicensePlate, Model model) { RdEmployee employeeByLicensePlateOfCurrentCar = employeeService .findEmployeeByLicensePlateOfCurrentCar(employeeCarLicensePlate); if (employeeByLicensePlateOfCurrentCar != null) return "redirect:" + fromMappingName("ECMC#viewEmployeeCar") .arg(0, employeeByLicensePlateOfCurrentCar.getId()).build(); return "redirect:" + fromMappingName("CCMC#viewCompanyCars").build(); } }