io.github.szhittech.Logc Maven / Gradle / Ivy

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A Library For Log
There is a newer version: 0.0.7
package io.github.szhittech;


import io.github.szhittech.format.FormattingTuple;
import io.github.szhittech.format.MessageFormatter;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

public class Logc {
    public static final String LINE_BREAK = "\r\n";

    public static void d(String message) {
        sout(message);
    }

    public static void d(Throwable tr) {
        sout(getThrowable(tr));
    }

    public static void d(String message, Throwable tr) {
        String throwable = getThrowable(tr);
        sout(String.format("%s %s",message,throwable));
    }

    public static void d(String format, Object... arguments) {
        FormattingTuple tuple = MessageFormatter.arrayFormat(format,arguments);
        sout(tuple.getMessage());
    }

    public static void i(String message) {
        sout(message);
    }

    public static void i(Throwable tr) {
        sout(getThrowable(tr));
    }

    public static void i(String message, Throwable tr) {
        String throwable = getThrowable(tr);
        sout(String.format("%s %s",message,throwable));
    }

    public static void i(String format, Object... arguments) {
        FormattingTuple tuple = MessageFormatter.arrayFormat(format,arguments);
        sout(tuple.getMessage());
    }

    private static void sout(String message){
        String nameLineMethod = getNameLineMethod();
        String timestamp = getTimestamp();
        System.out.println(String.format("%s %s:%s",timestamp,nameLineMethod,message));
    }

    public static void e(String message) {
        serr(message);
    }

    public static void e(Throwable tr) {
        serr(getThrowable(tr));
    }

    public static void e(String message, Throwable tr) {
        String throwable = getThrowable(tr);
        serr(String.format("%s %s",message,throwable));
    }

    public static void e(String format, Object... arguments) {
        FormattingTuple tuple = MessageFormatter.arrayFormat(format,arguments);
        serr(tuple.getMessage());
    }

    private static void serr(String message){
        String nameLineMethod = getNameLineMethod();
        String timestamp = getTimestamp();
        System.err.println(String.format("%s %s:%s",timestamp,nameLineMethod,message));
    }

    private static String getNameLineMethod() {
        StackTraceElement[] callers = Thread.currentThread().getStackTrace();
        StackTraceElement caller = callers[callers.length - 1];
        String tag = "(%s:%d).%s"; // 占位符
        String callerClazzName = caller.getFileName();
        tag = String.format(tag, callerClazzName, caller.getLineNumber(), caller.getMethodName()); // 替换
        return tag;
    }


    private static String getTimestamp(){
        Date date = new Date();
        SimpleDateFormat dateFormat = new SimpleDateFormat("", Locale.SIMPLIFIED_CHINESE);
        dateFormat.applyPattern("yyyy-MM-dd HH:mm:ss");
        String time = dateFormat.format(date);
        return time;
    }

    private static String getThrowable(Throwable throwable) {
        /* 打印异常 */
        StringBuffer sb = new StringBuffer();
        if (throwable != null) {
            sb.append(LINE_BREAK);
            StringWriter stringWriter = new StringWriter();
            PrintWriter printWriter = new PrintWriter(stringWriter);
            throwable.printStackTrace(printWriter);
            sb.append(stringWriter.toString());
        }
        return sb.toString();
    }


}