plaintextsalesformatter.java

SSD3 实验5的上交文件 自己实验做得

import java.util.Iterator;


public class PlainTextSalesFormatter implements SalesFormatter{
	
	static PlainTextSalesFormatter singletonInstance = new PlainTextSalesFormatter();
	private PlainTextSalesFormatter()
	{}
	static public PlainTextSalesFormatter getSingletonInstance()
	{return singletonInstance;}
	public String formatSales(Sales sales)
	{
		String info = null;
		int n=0;
		for(Iterator<Order> i=sales.getOrdersIterator();i.hasNext();)
		{
			Order order=i.next();
			for(Iterator<OrderItem> j=order.getItemsIterator();j.hasNext();)
			{
				n++;
				OrderItem orderitem=j.next();
				info+="------------------------" +
						"Order"+n+
						orderitem.getQuantity()+orderitem.getProduct().getCode()+
						orderitem.getProduct().getPrice()+
						"total="+orderitem.getValue();
				
			}
		}
		return info;
	}
}