/**
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* Copyright © 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
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*/
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package com.jeeplus.modules.sys.interceptor;
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import java.text.SimpleDateFormat;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.core.NamedThreadLocal;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.ModelAndView;
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import com.jeeplus.common.service.BaseService;
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import com.jeeplus.common.utils.DateUtils;
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import com.jeeplus.modules.sys.utils.LogUtils;
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/**
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* 日志拦截器
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* @author jeeplus
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* @version 2014-8-19
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*/
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public class LogInterceptor extends BaseService implements HandlerInterceptor {
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private static final ThreadLocal<Long> startTimeThreadLocal =
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new NamedThreadLocal<Long>("ThreadLocal StartTime");
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
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Object handler) throws Exception {
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if (logger.isDebugEnabled()){
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long beginTime = System.currentTimeMillis();//1、开始时间
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startTimeThreadLocal.set(beginTime); //线程绑定变量(该数据只有当前请求的线程可见)
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logger.debug("开始计时: {} URI: {}", new SimpleDateFormat("hh:mm:ss.SSS")
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.format(beginTime), request.getRequestURI());
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}
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return true;
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}
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@Override
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public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
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ModelAndView modelAndView) throws Exception {
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if (modelAndView != null){
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logger.info("ViewName: " + modelAndView.getViewName());
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}
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}
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@Override
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public void afterCompletion(HttpServletRequest request, HttpServletResponse response,
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Object handler, Exception ex) throws Exception {
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// 保存日志
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LogUtils.saveLog(request, handler, ex, null);
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// 打印JVM信息。
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if (logger.isDebugEnabled()){
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long beginTime = startTimeThreadLocal.get();//得到线程绑定的局部变量(开始时间)
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long endTime = System.currentTimeMillis(); //2、结束时间
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logger.debug("计时结束:{} 耗时:{} URI: {} 最大内存: {}m 已分配内存: {}m 已分配内存中的剩余空间: {}m 最大可用内存: {}m",
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new SimpleDateFormat("hh:mm:ss.SSS").format(endTime), DateUtils.formatDateTime(endTime - beginTime),
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request.getRequestURI(), Runtime.getRuntime().maxMemory()/1024/1024, Runtime.getRuntime().totalMemory()/1024/1024, Runtime.getRuntime().freeMemory()/1024/1024,
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(Runtime.getRuntime().maxMemory()-Runtime.getRuntime().totalMemory()+Runtime.getRuntime().freeMemory())/1024/1024);
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}
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}
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}
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