/*
      * ============================================================================
      *                   The Apache Software License, Version 1.1
      * ============================================================================
      * 
      *    Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
      * 
      * Redistribution and use in source and binary forms, with or without modifica-
      * tion, are permitted provided that the following conditions are met:
      * 
      * 1. Redistributions of  source code must  retain the above copyright  notice,
      *    this list of conditions and the following disclaimer.
      * 
      * 2. Redistributions in binary form must reproduce the above copyright notice,
      *    this list of conditions and the following disclaimer in the documentation
      *    and/or other materials provided with the distribution.
      * 
      * 3. The end-user documentation included with the redistribution, if any, must
      *    include  the following  acknowledgment:  "This product includes  software
      *    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      *    Alternately, this  acknowledgment may  appear in the software itself,  if
      *    and wherever such third-party acknowledgments normally appear.
      * 
      * 4. The names "log4j" and  "Apache Software Foundation"  must not be used to
      *    endorse  or promote  products derived  from this  software without  prior
      *    written permission. For written permission, please contact
      *    apache@apache.org.
      * 
      * 5. Products  derived from this software may not  be called "Apache", nor may
      *    "Apache" appear  in their name,  without prior written permission  of the
      *    Apache Software Foundation.
      * 
      * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
      * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
      * FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
      * APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
      * INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
      * DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
      * OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
      * ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
      * (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
      * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      * 
      * This software  consists of voluntary contributions made  by many individuals
      * on  behalf of the Apache Software  Foundation.  For more  information on the 
      * Apache Software Foundation, please see <http://www.apache.org/>.
      *
      */