authinterceptor.java

达内Java培训实训项目ECPORT原码。 包括逐步优化的四个版本： 简单工厂模式实现 简单Spring-IoC实现 Spring声明式事务实现 Spring-AOP集成

package com.royee.ecport.web;

import java.util.Map;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.royee.ecport.pojo.User;
import com.royee.ecport.web.actions.LoginAction;

public class AuthInterceptor extends AbstractInterceptor {
	private static final long serialVersionUID = 8448467158364935887L;

	@SuppressWarnings("unchecked")
	@Override
	public String intercept(ActionInvocation ai) throws Exception {
		Map<String,Object> session=ai.getInvocationContext().getSession();
		User role=(User)session.get(LoginAction.SESSION_KEY);
		if(role==null)
			return Action.LOGIN;
		UserAware ua=(UserAware) ai.getAction();
		ua.setUser(role);
		return ai.invoke();
	}

}