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com.hadoopz.MyDroidLib.util.MyLogUtil Maven / Gradle / Ivy
/*
* Copyright 2018 jw362j.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hadoopz.MyDroidLib.util;
import android.os.Environment;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import android.util.Log;
import com.mycomm.MyConveyor.core.MyConveyor;
import com.mycomm.MyConveyor.core.TaskRequest;
import com.mycomm.MyConveyor.core.TaskType;
import com.mycomm.MyConveyor.core.Tasker;
/**
* @author BaoHang
* @version 1.0
* @data 2012-2-20
*/
class MyLogUtil {
private static final String log_flag_runtime = "d33600715c5e79c155e268fbf99556tt.txt";
private static int log_flag = -100;
private static boolean log_runtime_switcher;
private static final Boolean MYLOG_SWITCH = true; // 日志文件总开关
private static final Boolean MYLOG_WRITE_TO_FILE = true;// 日志写入文件开关
private static final char MYLOG_TYPE = 'v';// 输入日志类型，w代表只输出告警信息等，v代表输出所有信息
private static final String MYLOG_PATH_SDCARD_DIR = "/sdcard/mylog/";// 日志文件在sdcard中的路径
private static final int SDCARD_LOG_FILE_SAVE_DAYS = 0;// sd卡中日志文件的最多保存天数
private static final String MYLOGFILEName = "-Log.log";// 本类输出的日志文件名称
private static final SimpleDateFormat myLogSdf = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");// 日志的输出格式
private static final SimpleDateFormat logfile = new SimpleDateFormat("yyyy-MM-dd");// 日志文件格式
public static void w(String tag, Object msg) {
log(tag, msg.toString(), 'w');
}
public static void e(String tag, Object msg) {
log(tag, msg.toString(), 'e');
}
public static void d(String tag, Object msg) {
log(tag, msg.toString(), 'd');
}
public static void i(String tag, Object msg) {
log(tag, msg.toString(), 'i');
}
public static void v(String tag, Object msg) {
log(tag, msg.toString(), 'v');
}
public static void w(String tag, String text) {
log(tag, text, 'w');
}
public static void e(String tag, String text) {
log(tag, text, 'e');
}
public static void d(String tag, String text) {
log(tag, text, 'd');
}
public static void i(String tag, String text) {
log(tag, text, 'i');
}
public static void v(String tag, String text) {
log(tag, text, 'v');
}
/**
* 根据tag, msg和等级，输出日志
*
* @param tag
* @param msg
* @param level
* @return void
* @since v 1.0
*/
private static void log(final String tag, final String msg, final char level) {
if (MYLOG_SWITCH) {
if ('e' == level && ('e' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) { // 输出错误信息
Log.e(tag, msg);
} else if ('w' == level && ('w' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {
Log.w(tag, msg);
} else if ('d' == level && ('d' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {
Log.d(tag, msg);
} else if ('i' == level && ('d' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {
Log.i(tag, msg);
} else {
Log.v(tag, msg);
}
if (MYLOG_WRITE_TO_FILE) {
if (log_flag == -100) {
log_flag = 1;
if (isFlagExist()) {
log_runtime_switcher = true;
} else {
return;
}
}
if (!log_runtime_switcher) {
return;
}
if (msg == null) {
return;
}
executeLogTask(new Tasker() {
public void onTask() {
writeLogtoFile(String.valueOf(level), tag, msg);
}
});
}
}
}
private static boolean isFlagExist() {
boolean isCardExist = Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
if (!isCardExist) {
return false;
}
File f = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + log_flag_runtime);
if (f.exists()) {
File file = new File(MYLOG_PATH_SDCARD_DIR);
if (!file.exists()) {
file.mkdirs();
}
return true;
}
return false;
}
/**
* 打开日志文件并写入日志
*
* @return *
*/
private static void writeLogtoFile(String mylogtype, String tag, String text) {// 新建或打开日志文件
Date nowtime = new Date();
String needWriteFiel = logfile.format(nowtime);
String needWriteMessage = myLogSdf.format(nowtime) + " " + mylogtype
+ " " + tag + " " + text;
File file = new File(MYLOG_PATH_SDCARD_DIR, needWriteFiel + MYLOGFILEName);
try {
FileWriter filerWriter = new FileWriter(file, true);//后面这个参数代表是不是要接上文件中原来的数据，不进行覆盖
BufferedWriter bufWriter = new BufferedWriter(filerWriter);
bufWriter.write(needWriteMessage);
bufWriter.newLine();
bufWriter.close();
filerWriter.close();
} catch (IOException e) {
// e.printStackTrace();
Log.e(tag, e.getMessage());
}
}
/**
* 删除制定的日志文件
*
*/
public static void delFile() {// 删除日志文件
String needDelFiel = logfile.format(getDateBefore());
File file = new File(MYLOG_PATH_SDCARD_DIR, needDelFiel + MYLOGFILEName);
if (file.exists()) {
file.delete();
}
}
/**
* 得到现在时间前的几天日期，用来得到需要删除的日志文件名
*
*/
private static Date getDateBefore() {
Date nowtime = new Date();
Calendar now = Calendar.getInstance();
now.setTime(nowtime);
now.set(Calendar.DATE, now.get(Calendar.DATE)
- SDCARD_LOG_FILE_SAVE_DAYS);
return now.getTime();
}
private static void executeLogTask(final Tasker tasker) {
MyConveyor.getInstance().execute(new TaskRequest() {
public TaskType getTaskType() {
return TaskType.TASK_LOG;
}
public Tasker getTask() {
return tasker;
}
});
}
}
