package com.sandu.ximon.admin.utils;

import java.text.SimpleDateFormat;
import java.util.Date;

public class LogUtils {

    /** 是否打印日志 **/
    public static boolean showLog = true;

    static SimpleDateFormat fm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");

    private static StringBuffer C2Log = new StringBuffer();
    public static Integer count = 0;


    public static String getNowTime(){
        return fm.format(new Date());
    }


    /**
     * 简单日志打印
     *
     * @param msg
     */
    public static void print(String msg) {
        if (showLog) {
            String source = null;
            try {
                StackTraceElement st = Thread.currentThread().getStackTrace()[2];
                source = "[" + st.getFileName() + "] - " + st.getMethodName() + "("
                        + st.getLineNumber() + ")";
            } catch (Exception e) {

            }
            System.out.println(fm.format(new Date()) + " - " + source + ":" + Thread.currentThread() + msg);
        }
    }

    public static void error(String msg){
        if (showLog) {

            String source = null;

            try {
                StackTraceElement st = Thread.currentThread().getStackTrace()[2];
                source = "[" + st.getFileName() + "] - " + st.getMethodName() + "("
                        + st.getLineNumber() + ")";
            } catch (Exception e) {

            }

            System.err.println(fm.format(new Date()) + " - " + source + ":" + Thread.currentThread() + msg);
        }
    }

    public static void logC2(String msg){

        String source = null;

        try {
            StackTraceElement st = Thread.currentThread().getStackTrace()[2];
            source = "[" + st.getFileName() + "] - " + st.getMethodName() + "("
                    + st.getLineNumber() + ")";
        } catch (Exception e) {
        }
        C2Log.append("                                                                                                                                                                                                                          ");
        C2Log.append("<br/>" + fm.format(new Date()) + " - " + source + ":" + msg);
        count++;
        if(count > 20){
            String str = C2Log.substring(0, C2Log.indexOf("<br/>"));
            C2Log.trimToSize();
            C2Log = new StringBuffer();
            C2Log.append(str);
            count = 1;
        }

    }

    public static String getC2Log(){
        return C2Log.toString();
    }

}