/*
 * Copyright (c) 2003, 2004 The University of Wroclaw.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, 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 name of the University may not be used to endorse or promote
 *       products derived from this software without specific prior
 *       written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY ``AS IS'' AND ANY EXPRESS 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 UNIVERSITY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 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.
 */ 

namespace Sioux
{
  using System.IO;
    
  /**
   * A logger class
   *
   * FIXME: the default log location should be retrieved from the config
   * FIXME: add some features like timestamping, priorities, etc.
   */
  public class Logger
  {
    /* -- CONSTRUCTORS ----------------------------------------------------- */
    
    /**
     *
     */
    public this (file : option [string])
    {
      def s = 
        match (file) {
          | None     => "/var/log/sioux.log";
          | Some (s) => s;
        };
          
      fp = StreamWriter (s, true);
      
      Log ("-- Start --");
    }


    /* -- PUBLIC METHODS --------------------------------------------------- */
    
    /**
     *
     */
    public Destroy () : void
    {
      fp.Close ();
    }


    /**
     *
     */
    public Log (msg : string) : void
    {
      fp.WriteLine (msg);
      fp.Flush ();
    }


    /* -- PRIVATE FIELDS --------------------------------------------------- */

    private fp : StreamWriter;
  }
}