listorderservlet.java

网上售书电子商务网站

package com.briup.web.servlet;

import java.io.IOException;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.briup.bean.Customer;
import com.briup.bean.Orderform;
import com.briup.common.BeanFactory;
import com.briup.common.exception.OrderServiceException;
import com.briup.service.IOrderService;

public class ListOrderServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ListOrderServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		process(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		process(request,response);
	}

	private void process(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException{
		response.setContentType("text/html");
		
		HttpSession session = request.getSession();
		Customer customer = (Customer)session.getAttribute("customer");
		IOrderService orderService = 
			(IOrderService)BeanFactory.getBean(BeanFactory.ORDERSERVICE);
		try {
			Map<Long,Orderform> orders = 
				orderService.listAllOrder(customer.getId());
			session.setAttribute("orders", orders);
			getServletContext().getRequestDispatcher
				("/listOrder.jsp").forward(request, response);
		} catch (OrderServiceException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			request.setAttribute("message", e.getMessage());
			getServletContext().getRequestDispatcher
				("/listCart.jsp").forward(request, response);
		}

	}
	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}