1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/trunk/com/so/news/Debug.java	Tue Jan 20 10:21:03 2009 +0100
     1.3 @@ -0,0 +1,95 @@
     1.4 +/*
     1.5 + *   StarOffice News Server
     1.6 + *   see AUTHORS for the list of contributors
     1.7 + *
     1.8 + *   This program is free software: you can redistribute it and/or modify
     1.9 + *   it under the terms of the GNU General Public License as published by
    1.10 + *   the Free Software Foundation, either version 3 of the License, or
    1.11 + *   (at your option) any later version.
    1.12 + *
    1.13 + *   This program is distributed in the hope that it will be useful,
    1.14 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.16 + *   GNU General Public License for more details.
    1.17 + *
    1.18 + *   You should have received a copy of the GNU General Public License
    1.19 + *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.20 + */
    1.21 +
    1.22 +package com.so.news;
    1.23 +
    1.24 +import java.io.FileOutputStream;
    1.25 +import java.io.IOException;
    1.26 +import java.io.PrintStream;
    1.27 +import java.util.Date;
    1.28 +
    1.29 +/**
    1.30 + * Provides logging and debugging methods.
    1.31 + * @author Christian Lins
    1.32 + */
    1.33 +public class Debug
    1.34 +{
    1.35 +  private static Debug instance = null;
    1.36 +  
    1.37 +  /**
    1.38 +   * Returns the singelton instance of this class.
    1.39 +   */
    1.40 +  public static Debug getInstance()
    1.41 +  {
    1.42 +    if(instance == null)
    1.43 +      instance = new Debug();
    1.44 +    
    1.45 +    return instance;
    1.46 +  }
    1.47 +  
    1.48 +  private PrintStream out = System.err;
    1.49 +  
    1.50 +  /**
    1.51 +   * This class is a singelton class. The constructor is private to prevent
    1.52 +   * the creation of more than one instance.
    1.53 +   */
    1.54 +  private Debug()
    1.55 +  {
    1.56 +    try
    1.57 +    {
    1.58 +      String filename = Config.getInstance().get(Config.CONFIG_N3TPD_LOGFILE, "n3tpd.log");
    1.59 +      
    1.60 +      this.out = new PrintStream(new FileOutputStream(filename));
    1.61 +    }
    1.62 +    catch(IOException e)
    1.63 +    {
    1.64 +      e.printStackTrace();
    1.65 +    }
    1.66 +  }
    1.67 +  
    1.68 +  /**
    1.69 +   * Returns the debug output PrintStream. By default this is System.err.
    1.70 +   */
    1.71 +  public PrintStream getStream()
    1.72 +  {
    1.73 +    return out;
    1.74 +  }
    1.75 +  
    1.76 +  /**
    1.77 +   * Writes the given message to the debug output.
    1.78 +   * @param msg A String message or an object.
    1.79 +   */
    1.80 +  public void log(Object msg)
    1.81 +  {
    1.82 +    log(out, msg);
    1.83 +    log(System.out, msg);
    1.84 +  }
    1.85 +  
    1.86 +  /**
    1.87 +   * Writes the given debug message to the given PrintStream.
    1.88 +   * @param out
    1.89 +   * @param msg
    1.90 +   */
    1.91 +  public void log(PrintStream out, Object msg)
    1.92 +  {
    1.93 +    out.print(new Date().toString());
    1.94 +    out.print(": ");
    1.95 +    out.println(msg.toString());
    1.96 +    out.flush();
    1.97 +  }
    1.98 +}