baseaction.java

一个很适合初学者的网上书店系统

/**
 * 
 */
package com.ascent.struts.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import com.ascent.bean.Customer;
import com.ascent.business.IBookService;
import com.ascent.business.ICustomerOrderService;
import com.ascent.business.ICustomerService;
import com.ascent.business.IOrderItemService;
import com.ascent.business.IOrderService;
import com.ascent.util.AppContext;

public class BaseAction extends Action {

	/**
	 * 
	 */
	public BaseAction() {
		super();
	}

	protected ICustomerOrderService getCustomerOrderService() {
		return (ICustomerOrderService) AppContext.getInstance().getAppContext()
				.getBean("customerOrderService");
	}

	protected IOrderItemService getOrderItemService() {
		return (IOrderItemService) AppContext.getInstance().getAppContext()
				.getBean("orderItemService");
	}

	protected IOrderService getOrderService() {
		return (IOrderService) AppContext.getInstance().getAppContext()
				.getBean("orderService");
	}

	protected IBookService getBookService() {
		return (IBookService) AppContext.getInstance().getAppContext().getBean(
				"bookService");
	}

	protected ICustomerService getCustomerService() {
		return (ICustomerService) AppContext.getInstance().getAppContext()
				.getBean("customerService");
	}

	protected String checkUser(HttpServletRequest request,
			HttpServletResponse response) {

		Customer user = null;
		user = (Customer) request.getSession().getAttribute("user");

		if (user == null) {

			System.out.println("you have no loginning!!!!");
			ActionMessages errors = new ActionMessages();
			errors.add(ActionErrors.GLOBAL_MESSAGE, new ActionMessage(
					"errors.login"));
			this.saveErrors(request, errors);

			return null;
		} else {
			return user.getCust_name();
		}
	}

	public List findBookFive() {
		return this.getBookService().findBookFive();
	}

	public List findBookAll() {
		return this.getBookService().findBookAll();
	}
}