package com.hnshituo.core.auth.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.hnshituo.basic.spring.web.interceptor.SessionTimeOutException;
import com.hnshituo.core.auth.service.HomeService;

public class JsonSessionInterceptor extends HandlerInterceptorAdapter {
	
	/**
	 * 在业务处理器处理请求之前被调用 如果返回false 从当前的拦截器往回执行所有拦截器的afterCompletion(),再退出拦截器链
	 * 如果返回true 执行下一个拦截器,直到所有的拦截器都执行完毕 再执行被拦截的Controller 然后进入拦截器链,
	 * 从最后一个拦截器往回执行所有的postHandle() 接着再从最后一个拦截器往回执行所有的afterCompletion()
	 */
	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {

		String userId = (String) request.getSession().getAttribute(HomeService.SESSION_USER_ID);
		//MmpCustomerAccount customerAccount=(MmpCustomerAccount)request.getSession().getAttribute("customerAccount");
		
		String requestUri = request.getRequestURI();
		String BasePath=requestUri.substring(requestUri.lastIndexOf("/")+1);
		if(BasePath.contains("Portal")){
			//大门户则不监听数据权限不判断是否过期
		}else if (userId == null //&& customerAccount==null
				) {
			throw new SessionTimeOutException();
		} 
		return true;
	}

	/**
	 * 在业务处理器处理请求执行完成后,生成视图之前执行的动作 可在modelAndView中加入数据，比如当前时间
	 */
	@Override
	public void postHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
	}

	/**
	 * 在DispatcherServlet完全处理完请求后被调用,可用于清理资源等
	 * 
	 * 当有拦截器抛出异常时,会从当前拦截器往回执行所有的拦截器的afterCompletion()
	 */
	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
	}

}
