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package com.dexcoder.commons.interceptor;

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

import org.slf4j.MDC;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.dexcoder.commons.result.RunBinder;

/**
* mvc拦截器
*
* Created by liyd on 4/9/14.
*/
public class RunBinderMvcInterceptor implements HandlerInterceptor {

    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o)
                                                                                                                      throws Exception {
        MDC.put("threadKey", String.valueOf(System.nanoTime()));
        RunBinder.clear();
        return true;
    }

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object o, ModelAndView modelAndView)
                                                                                                                         throws Exception {

        //清理资源，防止OOM
        RunBinder.clear();
        MDC.clear();
    }

    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
                                Object o, Exception e) throws Exception {
    }

}