businessfactory.java

网上购物系统的简易代码

package com.tarena.develop.common;

import java.util.HashMap;
import java.util.Map;

import com.tarena.develop.service.impl.ProductService;
import com.tarena.develop.service.impl.ProductServiceImpl;

public class BusinessFactory {
	private static Map bizFac = new HashMap();
	static{
		bizFac.put(ProductService.class.getName(), new ProductServiceImpl());
	}
	public static Object getBusiness(String interfaceName){
		return bizFac.get(interfaceName);
	}
}