cn.sissors.hummingbird.runtime.logger

Class Logger

java.lang.Object

cn.sissors.hummingbird.runtime.logger.Logger

public class Logger
extends Object

Logger provides a series of simple interfaces to build logs. Currently, it supports 4 levels:

• DEBUG
• INFO
• WARN
• ERROR

Version:

2018-11-28

Author:

zyz

Constructor Summary

Constructors

Constructor and Description
Logger()

Method Summary

Modifier and Type	Method and Description
static void	build() Build logger programmatically using default location and logging level.
static void	build(@NotNull String outputDirectory, @NotNull String outputFilename) Set output directory of log file and build logger programmatically.
static void	build(@NotNull String outputDirectory, @NotNull String outputFilename, cn.sissors.hummingbird.runtime.logger.Logger.Level console, cn.sissors.hummingbird.runtime.logger.Logger.Level global) Set output directory of log file and log level for console and global.
static void	debug(Object msg) Logs a message object with Level#DEBUG level.
static void	debug(@NotNull Object msg, Object... args) Logs the specified format string and arguments with Level#DEBUG level.
static void	error(Object msg) Logs a message object with Level#ERROR level.
static void	error(@NotNull Object msg, Object... args) Logs the specified format string and arguments with Level#ERROR level.
static void	info(Object msg) Logs a message object with Level#INFO level.
static void	info(@NotNull Object msg, Object... args) Logs the specified format string and arguments with Level#INFO level.
static void	log(cn.sissors.hummingbird.runtime.logger.Logger.Level level, Object msg) Logs a message object with the given level.
static void	log(cn.sissors.hummingbird.runtime.logger.Logger.Level level, Object msg, Object... args) Logs the specified format string and arguments with the given level.
static void	warn(Object msg) Logs a message object with Level#WARN level.
static void	warn(@NotNull Object msg, Object... args) Logs the specified format string and arguments with Level#WARN level.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Logger

public Logger()

Method Detail

build

public static void build()

Build logger programmatically using default location and logging level.

build

public static void build(@NotNull
                         @NotNull String outputDirectory,
                         @NotNull
                         @NotNull String outputFilename)

Set output directory of log file and build logger programmatically.

Parameters:

outputDirectory - the output directory of log file

outputFilename - the output file name of log file

build

public static void build(@NotNull
                         @NotNull String outputDirectory,
                         @NotNull
                         @NotNull String outputFilename,
                         cn.sissors.hummingbird.runtime.logger.Logger.Level console,
                         cn.sissors.hummingbird.runtime.logger.Logger.Level global)

Set output directory of log file and log level for console and global. Finally, build logger programmatically.

Parameters:

outputDirectory - the output directory of log file

outputFilename - the output file name of log file

console - the log level for console

global - the log level for global

log

public static void log(cn.sissors.hummingbird.runtime.logger.Logger.Level level,
                       Object msg)

Logs a message object with the given level.

Parameters:

level - the logging level

msg - the message to log

log

public static void log(cn.sissors.hummingbird.runtime.logger.Logger.Level level,
                       Object msg,
                       Object... args)

Logs the specified format string and arguments with the given level.

Parameters:

level - the logging level

msg - the message to log

args - arguments referenced by the format specifiers in the format string

debug

public static void debug(Object msg)

Logs a message object with Level#DEBUG level.

Parameters:

msg - the message to log

debug

public static void debug(@NotNull
                         @NotNull Object msg,
                         Object... args)

Logs the specified format string and arguments with Level#DEBUG level.

Parameters:

msg - the message to log

args - arguments referenced by the format specifiers in the format string

info

public static void info(Object msg)

Logs a message object with Level#INFO level.

Parameters:

msg - the message to log

info

public static void info(@NotNull
                        @NotNull Object msg,
                        Object... args)

Logs the specified format string and arguments with Level#INFO level.

Parameters:

msg - the message to log

args - arguments referenced by the format specifiers in the format string

warn

public static void warn(Object msg)

Logs a message object with Level#WARN level.

Parameters:

msg - the message to log

warn

public static void warn(@NotNull
                        @NotNull Object msg,
                        Object... args)

Logs the specified format string and arguments with Level#WARN level.

Parameters:

msg - the message to log

args - arguments referenced by the format specifiers in the format string

error

public static void error(Object msg)

Logs a message object with Level#ERROR level.

Parameters:

msg - the message to log

error

public static void error(@NotNull
                         @NotNull Object msg,
                         Object... args)

Logs the specified format string and arguments with Level#ERROR level.

Parameters:

msg - the message to log

args - arguments referenced by the format specifiers in the format string