/*

  *   StarOffice News Server

  *   see AUTHORS for the list of contributors

  *

  *   This program is free software: you can redistribute it and/or modify

  *   it under the terms of the GNU General Public License as published by

  *   the Free Software Foundation, either version 3 of the License, or

  *   (at your option) any later version.

  *

  *   This program 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 General Public License for more details.

  *

  *   You should have received a copy of the GNU General Public License

  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

  */

 package com.so.news;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.PrintStream;

 import java.util.Date;

 /**

  * Provides logging and debugging methods.

  * @author Christian Lins

  */

 public class Debug

 {

   private static Debug instance = null;

   /**

    * Returns the singelton instance of this class.

    */

   public static Debug getInstance()

   {

     if(instance == null)

       instance = new Debug();

     return instance;

   }

   private PrintStream out = System.err;

   /**

    * This class is a singelton class. The constructor is private to prevent

    * the creation of more than one instance.

    */

   private Debug()

   {

     try

     {

       String filename = Config.getInstance().get(Config.CONFIG_N3TPD_LOGFILE, "n3tpd.log");

       this.out = new PrintStream(new FileOutputStream(filename));

     }

     catch(IOException e)

     {

       e.printStackTrace();

     }

   }

   /**

    * Returns the debug output PrintStream. By default this is System.err.

    */

   public PrintStream getStream()

   {

     return out;

   }

   /**

    * Writes the given message to the debug output.

    * @param msg A String message or an object.

    */

   public void log(Object msg)

   {

     log(out, msg);

     log(System.out, msg);

   }

   /**

    * Writes the given debug message to the given PrintStream.

    * @param out

    * @param msg

    */

   public void log(PrintStream out, Object msg)

   {

     out.print(new Date().toString());

     out.print(": ");

     out.println(msg.toString());

     out.flush();

   }

 }