로딩 타이머

화면 로딩 시간 체크용

화면 로딩시 3초 기준으로 판단



package *********;

/**
 * 
 * 
 * 1. Comment  : 화면 로딩시간 타이머
 * 2. FileName  : StopWatch.java
 * 3. Package  : TimeCount
 * 5. 작성일   : 2012. 11. 6. 오후 2:08:11
 * 
 */
public class StopWatch {

 long startTime;
 long elapsedTime = 0;
 StringBuffer currentName;
 boolean threadFlag = false;
 
 public StopWatch() {
  currentName = new StringBuffer();
  startTime = System.nanoTime();
 }
 
 public StopWatch(boolean threadFlag) {
  chageMessage("", false, false);
 }
 
 public StopWatch(String message) {
  chageMessage(message, false, true);
 }
 
 public StopWatch(String message, boolean threadFlag) {
  currentName = new StringBuffer();
  startTime = System.nanoTime();
  chageMessage(message, threadFlag, true);
 }

 public void chageMessage(String message, boolean threadFlag, boolean resetFlag) {
  StringBuffer threadName =  new StringBuffer();
  this.threadFlag = threadFlag;
  if(threadFlag){
   threadName.append("ThreadName=").append(Thread.currentThread().getName());
  }
  
  currentName.append("[").append(message).append(threadName).append("]");
  
  if(resetFlag){
   start();
  }
 }

 public void start() {
  startTime = System.nanoTime();
  elapsedTime = 0;
 }
 
 public void stop(){
  elapsedTime = System.nanoTime()-startTime;
 }
 
 public double getElapsedMS(){
  if(elapsedTime == 0){
   stop();
  }
  return elapsedTime/1000000.0;
 }

 public double getElpasedNano(){
  if(elapsedTime == 0){
   stop();
  }
  return elapsedTime;
 }
 
 public String toString(){
  if(elapsedTime==0)
   stop();
  
  currentName.append("elapsed Time : ").append(elapsedTime/1000000.0).append("ms");
  
  return currentName.toString();
 }

}



사용법

<%@ page import="******.util.StopWatch" %>

<%
 StopWatch timer =  new StopWatch("Class.method",true);
%>

화면 소스

<% out.println(timer); %>



출력결과

[Class.methodThreadName=[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)']elapsed Time : 115.357769ms