requestscope.java

一个简单的java邮件系统源码

package com.easyjf.web.core;

import javax.servlet.http.HttpServletRequest;

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

public class RequestScope implements Scope {
	public Object getBean(String name, BeanDefinition beanDefinition) {
		Object ret=null;
		HttpServletRequest request=ActionContext.getContext().getRequest();
		ret=request.getAttribute(name);
		if(ret==null)
		{
			ret=BeanCreatorUtil.initBean(beanDefinition);
			request.setAttribute(name, ret);
		}
		return ret;		
	}
}