cartmanager.java

beginJsp2.0外文书籍源代码

package com.wrox.beans;

import java.util.Vector;
import javax.servlet.http.HttpServletRequest;

public class CartManager extends Object 
{

  private Vector cart = null;
  String product = null;
  String submit = null;

  public CartManager() 
  {
    cart = new Vector();
  }

  public void setProduct(String product) 
  {
    this.product = product;
  }

  public void setSubmit(String submit) 
  {
    this.submit = submit;
  }

  public Vector getProducts() 
  {
    return cart;
  }

  public void addProduct(String product) 
  {
    cart.add(product);
  }

  public void removeProduct(String product) 
  {
    cart.remove(product);
  }

  public void setRequest(HttpServletRequest req) 
  {
    if (submit != null) 
    {
      if (submit.equals("add")) 
      {
        addProduct(product);
      }
      else 
      {
        removeProduct(product);
      }
      reset();
    }
  }

  public void reset() 
  {
    submit = null;
    product = null;
  }
}