cyberdean/OkLogger

Logging library on top of Okio

 

OkLogger

This is work in progress, bugs can still presents

A logging library for the JVM and Android, built on top of okio.

It's lightweight library, has only one dependency and contains only few number of class. Unlike majors like log4j (600+ classes, 14+ dependencies), ... With interfaces you can easily extend it, to add more outputs, ...

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Usage

final Configuration conf = new Configuration(Level.DEBUG); //Minimum log level to output (ignore under levels)
conf.addOutput(new ConsoleOutput()); //Use System.out.println();
conf.addOutput(new FileOutput(new File("/my/path/to/file.log")); //Output in files : file.log, file.log.1 (if maxFiles = 2)

final Logger logger = new BasicLogger(conf);
logger.info("Hello world !"); //Log simple message
logger.warn(new Exception()); //Log exception

FileOutput offer by default rolling between 2 log files, you can disable it by settings maximum files to 1

final FileOutput fo = new FileOutput(new File("/my/path/to/file.log");
fo.setMaxFiles((byte)1);

You can also change maximum file size. Default to 10Mb (expressed in bytes)

final FileOutput fo = new FileOutput(new File("/my/path/to/file.log");
fo.setMaxFileSize(15 * 1024 * 1024); //15Mb

BasicLogger/FileOutput is Thread-Safe, you can should use same instance across multiple threads.

FAQ

In case of number of files, why type byte is used instead of int ?
If you need more than 127 differents files, consider raise maximum file size or explain me in what purpose. Furthermore it consume less memory.

Licence

Apache 2.0, see LICENCE file.

Simple explanation : https://tldrlegal.com/license/apache-license-2.0-(apache-2.0)