productcatalog.java

网上购物系统,实现了一个具体的框架

/**
 * @name ProductCatalog.java
 * @version 1.1
 * @author Administrator/pan
 * @date 2009/2/11
 */
package com.digitstore.process.domain.product;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import com.digitstore.process.domain.product.Item;
import com.digitstore.process.domain.product.ProductSpecification;

public class ProductCatalog implements Serializable{
	//条目列表
	private  Map<String, ProductSpecification> prodSpecList= new HashMap<String, ProductSpecification>();
	//构造函数
	public ProductCatalog(){}
	//添加ProductSpecification
	public void addProdSpec(String itemID, ProductSpecification prodSpec){
			prodSpecList.put(itemID, prodSpec);
	}
	
	public  ProductSpecification findProdSpec(String itemID){
		ProductSpecification prodSpec = (ProductSpecification)prodSpecList.get(itemID);
		return prodSpec;
	}
	
	//重写基类的toString()方法
	public String toString(){
		Iterator<ProductSpecification> iterator = prodSpecList.values().iterator();
		String s = new String();
		while(iterator.hasNext()){
			ProductSpecification productSpec = (ProductSpecification)iterator.next();
			Item item = productSpec.getItem();
			String itemid = item.getItemID();
            s += "ItemID:"+itemid+"-"+"productName"+productSpec.getName()+"/n";
		}
		 return s;
	}

}