texthandler.java

网络商店源代码用NetBeans6.1Beta开发

package servlet;

import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.math.BigDecimal;
import model.*;
import org.apache.commons.lang.StringEscapeUtils;


public class TextHandler extends HttpServlet {
  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
       
      String tf = request.getParameter("tf");
      String ta = request.getParameter("ta");
      String raw_button = request.getParameter("raw_button");

      String tf_esc = StringEscapeUtils.escapeHtml(tf);
      String ta_esc = StringEscapeUtils.escapeHtml(ta);

      String tf_ins;
      String ta_ins;
      String title;
      if (raw_button != null) {
        title = "Raw input inserted";
        tf_ins = tf;
        ta_ins = ta;
      } else {
        title = "Escaped input inserted";
        tf_ins = tf_esc;
        ta_ins = ta_esc;
      }
        
       
      ProductsBean pb = (ProductsBean) request.getSession().getAttribute("pb");
      if (pb == null) {
        pb = new ProductsBean();
        request.getSession().setAttribute("pb", pb);
      }
      OrdersBean ob = (OrdersBean) request.getSession().getAttribute("ob");
      if (ob == null) {
        ob = new OrdersBean();
        request.getSession().setAttribute("ob", ob);
      }
 
      
 
      out.println("*** Add new product<br />");
      Product[] samples = {
        new Product(ta_ins, new BigDecimal(tf_ins)),
            };
      for (Product p : samples) pb.create(p);
    } 
    catch (Exception x) {
      x.printStackTrace();
    } 
    finally {
      out.close();
    }
  }

  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
  /** 
   * Handles the HTTP <code>GET</code> method.
   * @param request servlet request
   * @param response servlet response
   */
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }

  /** 
   * Handles the HTTP <code>POST</code> method.
   * @param request servlet request
   * @param response servlet response
   */
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }

  /** 
   * Returns a short description of the servlet.
   */
  public String getServletInfo() {
    return "Short description";
  }
  // </editor-fold>
}