package com.basic.security.utils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ThreadUtil {
    static Map<Thread, StackTraceElement[]> prevThreadMap = new HashMap<>();

    public static void printThreadInfo(String name) {
        Thread currentThread = Thread.currentThread();
//        System.out.println("threadId="+currentThread.getId()+",threadName="+currentThread.getName()+",name="+name);
    }

    public static void threadCreateObserver() {
        if (1 == 1) {
            return;
        }
        Map<Thread, StackTraceElement[]> threadMap = Thread.getAllStackTraces();
        for (Map.Entry<Thread, StackTraceElement[]> threadEntry : threadMap.entrySet()) {
            List<String> frames = new ArrayList<>();
            StackTraceElement[] stackTraceElements = threadEntry.getValue();
            if (!prevThreadMap.containsKey(threadEntry.getKey())) {
                boolean hasBasic = false;
                for (StackTraceElement stackTraceElement : stackTraceElements) {
                    frames.add(stackTraceElement.toString());
                    String frame = stackTraceElement.toString();
                    if (frame.contains(".basic.")) {
                        hasBasic = true;
                        System.out.println(threadEntry.getKey().getId() + " " + frame);
                    }
                }
                if (!hasBasic) {
                    for (StackTraceElement stackTraceElement : stackTraceElements) {
                        frames.add(stackTraceElement.toString());
                        String frame = stackTraceElement.toString();
                        System.out.println(threadEntry.getKey().getId() + " " + frame);
                    }
                }
            }
        }
        prevThreadMap = threadMap;
    }

}