sessionscope.java

一个简单的java邮件系统源码

package com.easyjf.web.core;

import javax.servlet.http.HttpSession;

import com.easyjf.container.BeanDefinition;
import com.easyjf.container.Scope;
import com.easyjf.container.impl.BeanCreatorUtil;
import com.easyjf.web.ActionContext;

public class SessionScope implements Scope {	
	public Object getBean(String name, BeanDefinition beanDefinition) {
		Object ret=null;
		HttpSession session=ActionContext.getContext().getSession();
		ret=session.getAttribute(name);
		if(ret==null)
		{
			ret=BeanCreatorUtil.initBean(beanDefinition);
			session.setAttribute(name, ret);
		}
		return ret;
	}
}