75 lines
2.0 KiB
Java
75 lines
2.0 KiB
Java
package fr.pandacube.lib.cli.log;
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import fr.pandacube.lib.cli.CLI;
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import fr.pandacube.lib.util.Log;
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import fr.pandacube.lib.util.ThrowableUtil;
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import fr.pandacube.lib.util.logs.DailyLogRotateFileHandler;
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import net.md_5.bungee.log.ColouredWriter;
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import net.md_5.bungee.log.ConciseFormatter;
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import java.io.PipedInputStream;
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import java.io.PipedOutputStream;
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import java.io.PrintStream;
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import java.util.Scanner;
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import java.util.logging.Handler;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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* Initializer for the logging system of a CLI application.
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*/
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public class CLILogger {
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private static Logger logger = null;
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/**
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* Initialize and return the logger for this application.
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* @param cli the CLI instance to use
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* @return the logger for this application.
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*/
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public static synchronized Logger getLogger(CLI cli) {
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if (logger == null) {
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logger = Logger.getGlobal();
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logger.setLevel(Level.ALL);
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logger.setUseParentHandlers(false);
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Handler cliLogHandler = new ColouredWriter(cli.getConsoleReader());
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cliLogHandler.setFormatter(new ConciseFormatter(true));
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logger.addHandler(cliLogHandler);
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Handler fileHandler = new DailyLogRotateFileHandler();
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fileHandler.setLevel(Level.INFO);
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fileHandler.setFormatter(new ConciseFormatter(false));
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logger.addHandler(fileHandler);
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System.setErr(newRedirector(logger, Level.SEVERE));
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System.setOut(newRedirector(logger, Level.INFO));
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Log.setLogger(logger);
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}
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return logger;
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}
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private static PrintStream newRedirector(Logger logger, Level level) {
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PipedOutputStream pos = new PipedOutputStream();
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PrintStream ps = new PrintStream(pos);
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PipedInputStream pis = new PipedInputStream();
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ThrowableUtil.wrapEx(() -> pos.connect(pis));
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Scanner s = new Scanner(pis);
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Thread t = new Thread(() -> {
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while(s.hasNextLine()) {
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logger.logp(level, "", "", s.nextLine());
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}
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s.close();
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}, "Logging Redirector Thread (" + level + ")");
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t.setDaemon(true);
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t.start();
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return ps;
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}
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}
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