code: /*
   * Computoser is a music-composition algorithm and a website to present the results
   * Copyright (C) 2012-2014  Bozhidar Bozhanov
   *
   * Computoser is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as
   * published by the Free Software Foundation, either version 3 of the
   * License, or (at your option) any later version.
   *
   * Computoser is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with Computoser.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package com.music.web.util;
  
  import java.io.ByteArrayOutputStream;
  
  import javax.servlet.ServletContextEvent;
  import javax.servlet.ServletContextListener;
  import javax.servlet.annotation.WebListener;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.music.util.MutingPrintStream;
  
  
  @WebListener
  public class StartupListener implements ServletContextListener {
  
      private static final Logger logger = LoggerFactory.getLogger(StartupListener.class);
  
      @Override
      public void contextInitialized(ServletContextEvent e) {
          System.setOut(new MutingPrintStream(new ByteArrayOutputStream(), System.out));
          logger.info("Computoser startup successful");
      }
  
      @Override
      public void contextDestroyed(ServletContextEvent e) {
          // do nothing on destroy
      }
  }