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logback-examples module

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/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package chapters.receivers.socket;

import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;

/**
 * This application loads a configuration containing some form of 
 * socket appender and then allows the user to enter messages
 * which will be relayed to remote clients via the appender.
 */
public class AppenderExample {

    static void usage(String msg) {
        System.err.println(msg);
        System.err.println("Usage: java " + AppenderExample.class.getName() + " configFile\n" + "   configFile a logback configuration file"
                        + "   in XML format.");
        System.exit(1);
    }

    static public void main(String[] args) throws Exception {
        if (args.length != 1) {
            usage("Wrong number of arguments.");
        }

        String configFile = args[0];

        if (configFile.endsWith(".xml")) {
            LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
            lc.reset();
            JoranConfigurator configurator = new JoranConfigurator();
            configurator.setContext(lc);
            configurator.doConfigure(configFile);
        }

        Logger logger = LoggerFactory.getLogger(AppenderExample.class);

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        while (true) {
            System.out.println("Type a message to send to remote clients. Type 'q' to quit.");

            String s = reader.readLine();

            if (s.equals("q")) {
                break;
            } else {
                logger.debug(s);
            }
        }

        ((LoggerContext) LoggerFactory.getILoggerFactory()).stop();
    }

}