android的Log日志打印管理工具类(一)

android的Log日志的打印管理工具类:

package com.gzcivil.utils;

import android.util.Log;

/**
 * 日志打印管理
 * 
 * @author LiJinlun
 * @time 2015-12-15
 */
public class LogUtils {
    private static LogType mLogType;
    private static String mDefaultPrefix = " --- ";

    static {
        mLogType = LogType.ALL;
    }

    /**
     * 日志类型
     */
    public enum LogType {
        NONE, VERBOSE, DEBUG, INFO, WARN, ERROR, ALL
    }

    /**
     * 获取日志输出类型
     * 
     * @return
     */
    public static LogType getLogType() {
        return mLogType;
    }

    /**
     * 设置日志输出类型
     * 
     * @param mLogType
     */
    public static void setLogType(LogType mLogType) {
        LogUtils.mLogType = mLogType;
    }

    public static final void e(String tag, Object... objects) {
        if (logable(LogType.ERROR)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.e(tag, sb.toString());
        }
    }

    public static final String getExceptionInfo(Throwable tr) {
        return Log.getStackTraceString(tr);
    }

    public static final void w(String tag, Object... objects) {
        if (logable(LogType.WARN)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.w(tag, sb.toString());
        }
    }

    public static final void i(String tag, Object... objects) {
        if (logable(LogType.INFO)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.i(tag, sb.toString());
        }
    }

    public static final void d(String tag, Object... objects) {
        if (logable(LogType.DEBUG)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.d(tag, sb.toString());
        }
    }

    public static final void v(String tag, Object... objects) {
        if (logable(LogType.VERBOSE)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.v(tag, sb.toString());
        }
    }

    private static final boolean logable(LogType aLogType) {
        if (mLogType == LogType.ALL || mLogType == aLogType) {
            return true;
        }
        return false;
    }

    /**
     * debug标签日志输出(建议仅在测试时使用改方法)
     * 
     * @param objects
     */
    public static final void debug(Object... objects) {
        if (logable(LogType.DEBUG)) {
            StrBuffer sb = new StrBuffer();
            sb.append(mDefaultPrefix);
            sb.append(objects);
            Log.d("debug", sb.toString());
        }
    }

}