001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package chapters.layouts;
015
016import org.slf4j.Logger;
017import org.slf4j.LoggerFactory;
018
019import ch.qos.logback.classic.LoggerContext;
020import ch.qos.logback.classic.joran.JoranConfigurator;
021import ch.qos.logback.core.joran.spi.JoranException;
022import ch.qos.logback.core.util.StatusPrinter;
023
024public class ExceptionEvaluatorExample {
025
026    public static void main(String[] args) {
027        Logger logger = LoggerFactory.getLogger(ExceptionEvaluatorExample.class);
028        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
029
030        try {
031            JoranConfigurator configurator = new JoranConfigurator();
032            configurator.setContext(lc);
033            lc.reset();
034            configurator.doConfigure(args[0]);
035        } catch (JoranException je) {
036            // StatusPrinter will handle this
037        }
038        StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
039
040        for (int i = 0; i < 3; i++) {
041            if (i == 1) {
042                logger.debug("logging statement " + i, new TestException("do not display this"));
043            } else {
044                logger.debug("logging statement " + i, new Exception("display"));
045            }
046        }
047    }
048}