001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * SonarQube is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.process;
021    
022    import ch.qos.logback.classic.Logger;
023    import ch.qos.logback.classic.LoggerContext;
024    import ch.qos.logback.classic.joran.JoranConfigurator;
025    import ch.qos.logback.classic.spi.ILoggingEvent;
026    import ch.qos.logback.core.Appender;
027    import ch.qos.logback.core.joran.spi.JoranException;
028    import ch.qos.logback.core.util.StatusPrinter;
029    import org.slf4j.LoggerFactory;
030    
031    public class ProcessLogging {
032    
033      private static final String PATH_LOGS_PROPERTY = "sonar.path.logs";
034    
035      public void configure(Props props, String logbackXmlResource) {
036        LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
037        try {
038          JoranConfigurator configurator = new JoranConfigurator();
039          configurator.setContext(context);
040          context.reset();
041          context.putProperty(PATH_LOGS_PROPERTY, props.nonNullValue(PATH_LOGS_PROPERTY));
042          doConfigure(configurator, logbackXmlResource);
043        } catch (JoranException ignored) {
044          // StatusPrinter will handle this
045        }
046        StatusPrinter.printInCaseOfErrorsOrWarnings(context);
047      }
048    
049      public void addConsoleAppender() {
050        Logger consoleLogger = (Logger) LoggerFactory.getLogger("console");
051        Appender<ILoggingEvent> consoleAppender = consoleLogger.getAppender("CONSOLE");
052    
053        Logger gobblerLogger = (Logger) LoggerFactory.getLogger("gobbler");
054        gobblerLogger.addAppender(consoleAppender);
055      }
056    
057      /**
058       * Extracted only for unit testing
059       */
060      void doConfigure(JoranConfigurator configurator, String logbackXmlResource) throws JoranException {
061        configurator.doConfigure(getClass().getResource(logbackXmlResource));
062      }
063    }