Android开发库VUtils之关联代码行的log

package com.v.vutils.utils;

import android.util.Log;

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

public class Debug {
public static final String TAG = "vvv";
private static boolean B_DEBUG = true;

public static final void log() {
if (B_DEBUG) {
String fullClassName = Thread.currentThread().getStackTrace()[3].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
String methodName = Thread.currentThread().getStackTrace()[3].getMethodName();
String fileName = Thread.currentThread().getStackTrace()[3].getFileName();
int lineNumber = Thread.currentThread().getStackTrace()[3].getLineNumber();
Log.i(TAG, String.format("at %s.%s(%s:%d)", className, methodName, fileName, lineNumber));
}
}

public static final void log(String str) {
if (B_DEBUG) {
String fullClassName = Thread.currentThread().getStackTrace()[3].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
String methodName = Thread.currentThread().getStackTrace()[3].getMethodName();
String fileName = Thread.currentThread().getStackTrace()[3].getFileName();
int lineNumber = Thread.currentThread().getStackTrace()[3].getLineNumber();
Log.i(TAG, String.format("at %s.%s(%s:%d):%s", className, methodName, fileName, lineNumber,
str));
}
}

public static final void log4(String str) {
if (B_DEBUG) {
String fullClassName = Thread.currentThread().getStackTrace()[3].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
String methodName = Thread.currentThread().getStackTrace()[3].getMethodName();
String fileName = Thread.currentThread().getStackTrace()[3].getFileName();
int lineNumber = Thread.currentThread().getStackTrace()[3].getLineNumber();

String fullClassName2 = Thread.currentThread().getStackTrace()[4].getClassName();
String className2 = fullClassName2.substring(fullClassName2.lastIndexOf(".") + 1);
String methodName2 = Thread.currentThread().getStackTrace()[4].getMethodName();
String fileName2 = Thread.currentThread().getStackTrace()[4].getFileName();
int lineNumber2 = Thread.currentThread().getStackTrace()[4].getLineNumber();

SimpleDateFormat format_Y_M_D = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S", Locale.CHINA);
Date curDate = new Date(System.currentTimeMillis());
String date = format_Y_M_D.format(curDate);

Log.i(TAG, String.format("%s at %s.%s(%s:%d):%s\n", date, className, methodName, fileName,
lineNumber, str));
Log.i(TAG, String.format(
"%s at %s.%s(%s:%d)\n-------------------------------------------------------\n",
date,
className2, methodName2, fileName2, lineNumber2));
}
}

public static final void logE(String str) {
if (B_DEBUG) {
String fullClassName = Thread.currentThread().getStackTrace()[3].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
String methodName = Thread.currentThread().getStackTrace()[3].getMethodName();
String fileName = Thread.currentThread().getStackTrace()[3].getFileName();
int lineNumber = Thread.currentThread().getStackTrace()[3].getLineNumber();
Log.e(TAG, String.format("at %s.%s(%s:%d):%s", className, methodName, fileName, lineNumber,
str));
}
}

public static final void logW(String str) {
if (B_DEBUG) {
String fullClassName = Thread.currentThread().getStackTrace()[3].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
String methodName = Thread.currentThread().getStackTrace()[3].getMethodName();
String fileName = Thread.currentThread().getStackTrace()[3].getFileName();
int lineNumber = Thread.currentThread().getStackTrace()[3].getLineNumber();
Log.w(TAG, String.format("at %s.%s(%s:%d):%s", className, methodName, fileName, lineNumber,
str));
}
}

public static void debugTrace(String msg) {
try {
throw new Exception(msg);
} catch (Exception e) {
e.printStackTrace();
}
}

public static void setLogEnable(boolean enable) {
B_DEBUG = enable;
}
}

Debug.log("log test.-->");