package com.product.data.center.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Copyright © 6c
 *
 * @Date: 2021-04-09 17:15
 * @Author: 6c
 * @Description:
 */
public class WriteUtil {
    private WriteUtil() {
    }

    private static final Logger logger = LoggerFactory.getLogger(WriteUtil.class);
    public static BufferedWriter out;

    static {
        init();
    }

    private static void init() {
        File writeName = new File("D:/test/sp.log");
        try {
            writeName.getParentFile().mkdirs();
            boolean flag = writeName.createNewFile();
            if (flag) {
                logger.info("已经创建文件");
            } else {
                logger.info("已经覆盖原文件");
            }
            FileWriter writer = new FileWriter(writeName);
            out = new BufferedWriter(writer);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void append(String content, boolean writeFlag) {
        if (!writeFlag) {
            return;
        }
        try {
            String dateStr = "[" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(new Date()) + "] ";
            out.append(dateStr).append(content).append("\n");
            out.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void append(String content) {
        append(content, true);
    }
}