ash.resourcemanager.spring.controllers.CustomersController.java Source code

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Here is the source code for ash.resourcemanager.spring.controllers.CustomersController.java

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package ash.resourcemanager.spring.controllers;

import ash.resourcemanager.hibernate.GenericDAO;
import ash.resourcemanager.hibernate.pojo.Customer;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
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.annotation.SessionAttributes;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 * @author Ash
 */

@Controller
@SessionAttributes
public class CustomersController {

    private GenericDAO<Customer> _customersDAO;

    @RequestMapping(value = "/customers", method = RequestMethod.GET)
    public ModelAndView showCustomers() {

        List<Customer> customers = getDAO().getAll();

        ModelAndView modelAndView = new ModelAndView("customers");
        modelAndView.addObject("list", customers);
        return modelAndView;
    }

    @RequestMapping(value = "/customerForm")
    public ModelAndView showCustomerForm(HttpServletRequest request) {
        ModelAndView modelAndView = new ModelAndView("customerForm");

        String method = request.getParameter("action");
        if (method.equals("add")) {
            modelAndView.addObject("command", new Customer());
        } else if (method.equals("edit")) {
            String customerId = request.getParameter("id");
            Customer customer = getDAO().getById(Integer.parseInt(customerId));
            modelAndView.addObject("command", customer);
        }

        return modelAndView;
    }

    @RequestMapping(value = "/saveCustomer", method = RequestMethod.POST)
    public String saveCustomer(@ModelAttribute("customer") Customer customer, BindingResult result) {
        System.out.println("customer id:" + customer.getCustomerId() + "name" + customer.getName());
        if (customer.getCustomerId() == null) {
            getDAO().create(customer);
        } else {
            Customer customerObject = getDAO().getById(customer.getCustomerId());
            customerObject.setName(customer.getName());

            getDAO().update(customerObject);
        }
        return "redirect:customers.htm";
    }

    @RequestMapping(value = "/deleteCustomer")
    public String deleteCustomer(HttpServletRequest request) {
        GenericDAO<Customer> dao = getDAO();
        String customerId = request.getParameter("id");
        Customer customer = dao.getById(Integer.parseInt(customerId));
        dao.delete(customer);
        return "redirect:customers.htm";
    }

    public GenericDAO<Customer> getDAO() {
        if (_customersDAO == null) {
            _customersDAO = new GenericDAO(Customer.class);
        }
        return _customersDAO;
    }
}