products.java

一个超市管理系统,提供一些基本简单的操作,JSP+APACHE+ORCALE实现

package com.jspdev.ch6;
import java.util.Vector;

public class Products {
  private Vector items = new Vector();

  synchronized public Vector getItems() {
    return items;
  } 

  synchronized public Item getItem(String itemId) {
    int index = Integer.parseInt(itemId);
    return (Item)items.elementAt(index);
  } 

  synchronized public void setItem(Item item, String itemId) {
    int index = Integer.parseInt(itemId);
    items.set(index, item);
  } 

  public Products() {   
    items.addElement(new Item("0", "jsp 应用开发详解", (float)59, true, "电子工业出版社"));
    items.addElement(new Item("1", "Java Web 服务开发", (float)45, true, "电子工业出版社"));
    items.addElement(new Item("2", "Java 编程思想", (float)99, true, "机械工业出版社"));
    items.addElement(new Item("3", "JSP编程指南", (float)10, true, "电子工业出版社"));
    items.addElement(new Item("4", "J2EE1.4应用开发详解", (float)68, true, "电子工业出版社"));
    items.addElement(new Item("5", "J2EE企业级应用开发", (float)56, true, "电子工业出版社"));
    items.addElement(new Item("6", "J2EE参考手册", (float)56, true, "电子工业出版社"));
    items.addElement(new Item("7", "J2EE Web服务开发", (float)55, true, "电子工业出版社"));
  }
  public int getSize()
  {
  	return items.size();
  }
}