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.audit;
    33  
    34  import net.sourceforge.pebble.util.SecurityUtils;
    35  import org.apache.commons.logging.Log;
    36  import org.apache.commons.logging.LogFactory;
    37  
    38  /**
    39   * Used to log auditable events (e.g. publication, deletion of blog
    40   * entries, etc)
    41   *
    42   * @author    Simon Brown
    43   */
         /* 
    P/P   *  Method: void net.sourceforge.pebble.audit.AuditTrail()
          */
    44  public class AuditTrail {
    45  
    46    /** the log used by this class */
           /* 
    P/P     *  Method: net.sourceforge.pebble.audit.AuditTrail__static_init
            * 
            *  Postconditions:
            *    init'ed(log)
            */
    47    private static Log log = LogFactory.getLog(AuditTrail.class);
    48  
    49    public static void log(String event) {
             /* 
    P/P       *  Method: void log(String)
              * 
              *  Preconditions:
              *    log != null
              * 
              *  Test Vectors:
              *    net.sourceforge.pebble.util.SecurityUtils:getUsername(...)@50: Inverse{null}, Addr_Set{null}
              */
    50      String username = SecurityUtils.getUsername();
    51      if (username == null) {
    52        username = "anonymous";
    53      }
    54  
    55      log.info(username + " : " + event);
    56    }
    57  
    58  }