customereditaction.java

struts + hibernate + spring ssh 的源码练习

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.8.2/xslt/JavaClass.xsl

package struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import persistence.Customer;
import persistence.bl.LibraryManager;
import struts.form.CustomerEditForm;

/** 
 * MyEclipse Struts
 * Creation date: 12-04-2004
 * 
 */
public class CustomerEditAction extends DispatchAction {

  /**
   * loads customer from the db and forwards to the edit form
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   */
  public ActionForward prepareEdit(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response) {
    CustomerEditForm customerEditForm = (CustomerEditForm) form;
    
    Long id = Long.valueOf(request.getParameter("id"));
    LibraryManager libraryManager = new LibraryManager();
    
    customerEditForm.setCustomer(libraryManager.getCustomerByPrimaryKey(id));
    
    return mapping.findForward("editCustomer");
  }
  
  /**
   * prepares the add form (actually only forwards to it)
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   */
  public ActionForward prepareAdd(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response) {
    return mapping.findForward("addCustomer");

  }
  
  /**
   * saves the customers and forwards to the list
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   */
  public ActionForward saveCustomer(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response) {
    CustomerEditForm customerEditForm = (CustomerEditForm) form;
    LibraryManager libraryManager = new LibraryManager();
    libraryManager.saveCustomer(customerEditForm.getCustomer());
    
    return mapping.findForward("customerList");
  }
  /**
   * deletes the customers and forwards to the list
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   */
  public ActionForward deleteCustomer(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response) {
    CustomerEditForm customerEditForm = (CustomerEditForm) form;
    LibraryManager libraryManager = new LibraryManager();
    libraryManager.removeCustomerByPrimaryKey(customerEditForm.getCustomer().getId());
    
    return mapping.findForward("customerList");
  }



}