rulefactory.java

一个基于java工厂模式的 的实现

/*
 * RuleFactory.java
 *
 * Created on 2007年4月19日, 下午3:41
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.ebuy.businessrule;

import com.ebuy.common.rule.IRule;
import com.ebuy.common.rule.IRuleFactory;
import com.ebuy.common.NameProvider;

/**
 *
 * @author Administrator
 */
public class RuleFactory implements IRuleFactory
{
    public IRule getRuleInstance(NameProvider name)
    {
        IRule rule=null;
        switch(name)
        {
            case Category:
                rule=new CategoryRule();
                break;
            case Product:
                rule=new ProductRule();
                break;
            case Customer:
                rule=new CustomerRule();
                break;
            case Order:
                rule=new OrderRule();
                break;
        }
        return rule;
    }
    
}