loggingsessionlistener.java

### File Source: loggingsessionlistener.java

             /*
        P/P   *  Method: net.sourceforge.pebble.web.listener.LoggingSessionListener__static_init
              *
              *  Postconditions:
              *    init'ed(log)
              */
         1  /*
         2   * Copyright (c) 2003-2006, Simon Brown
         3   * All rights reserved.
         4   *
         5   * Redistribution and use in source and binary forms, with or without
         6   * modification, are permitted provided that the following conditions are met:
         7   *
         8   *   - Redistributions of source code must retain the above copyright
         9   *     notice, this list of conditions and the following disclaimer.
        10   *
        11   *   - Redistributions in binary form must reproduce the above copyright
        12   *     notice, this list of conditions and the following disclaimer in
        13   *     the documentation and/or other materials provided with the
        14   *     distribution.
        15   *
        16   *   - Neither the name of Pebble nor the names of its contributors may
        17   *     be used to endorse or promote products derived from this software
        18   *     without specific prior written permission.
        19   *
        20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
        21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
        24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        30   * POSSIBILITY OF SUCH DAMAGE.
        31   */
        32  package net.sourceforge.pebble.web.listener;
        33
        34  import org.apache.commons.logging.Log;
        35  import org.apache.commons.logging.LogFactory;
        36
             /*
        P/P   *  Method: void net.sourceforge.pebble.web.listener.LoggingSessionListener()
              */
        37  import javax.servlet.http.HttpSessionEvent;
        38  import javax.servlet.http.HttpSessionListener;
        39
        40  /**
        41   * Logs when a session is created or destroyed.
        42   *
        43   * @author    Simon Brown
        44   */
        45  public class LoggingSessionListener implements HttpSessionListener {
        46
        47    /** the log used by this class */
        48    private static Log log = LogFactory.getLog(LoggingSessionListener.class);
        49
        50    /**
        51     * Called when a HTTP session is created.
        52     *
        53     * @param event   a HttpSessionEvent
        54     */
        55    public void sessionCreated(HttpSessionEvent event) {
                 /*
        P/P       *  Method: void sessionCreated(HttpSessionEvent)
                  *
                  *  Preconditions:
                  *    event != null
                  *    log != null
                  *
                  *  Presumptions:
                  *    javax.servlet.http.HttpSessionEvent:getSession(...)@56 != null
                  */
        56      log.info("Session " + event.getSession().getId() + " created");
        57      Exception e = new Exception();
        58      e.printStackTrace();
        59    }
        60
        61    /**
        62     * Called when a HTTP session is destroyed.
        63     *
        64     * @param event   a HttpSessionEvent
        65     */
        66    public void sessionDestroyed(HttpSessionEvent event) {
                 /*
        P/P       *  Method: void sessionDestroyed(HttpSessionEvent)
                  *
                  *  Preconditions:
                  *    event != null
                  *    log != null
                  *
                  *  Presumptions:
                  *    javax.servlet.http.HttpSessionEvent:getSession(...)@67 != null
                  */
        67      log.info("Session " + event.getSession().getId() + " destroyed");
        68    }
        69
        70  }

SofCheck Inspector Build Version : 2.22510

loggingsessionlistener.java | 2010-Jun-25 19:40:32
loggingsessionlistener.class | 2010-Jul-19 20:23:38