org/sonews/util/Purger.java
changeset 2 1090e2141798
child 3 2fdc9cc89502
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/org/sonews/util/Purger.java	Wed Jul 01 10:48:22 2009 +0200
     1.3 @@ -0,0 +1,88 @@
     1.4 +/*
     1.5 + *   SONEWS 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 org.sonews.util;
    1.23 +
    1.24 +import org.sonews.daemon.Config;
    1.25 +import org.sonews.daemon.storage.Database;
    1.26 +import org.sonews.daemon.storage.Article;
    1.27 +import java.util.Date;
    1.28 +
    1.29 +/**
    1.30 + * The purger is started in configurable intervals to search
    1.31 + * for old messages that can be purged.
    1.32 + * @author Christian Lins
    1.33 + * @since sonews/0.5.0
    1.34 + */
    1.35 +public class Purger
    1.36 +{
    1.37 +
    1.38 +  private long lifetime;
    1.39 +  
    1.40 +  public Purger()
    1.41 +  {
    1.42 +    this.lifetime = Config.getInstance().get("sonews.article.lifetime", 30) 
    1.43 +      * 24L * 60L * 60L * 1000L; // in Milliseconds
    1.44 +  }
    1.45 +
    1.46 +  /**
    1.47 +   * Loops through all messages and deletes them if their time
    1.48 +   * has come.
    1.49 +   */
    1.50 +  void purge()
    1.51 +    throws Exception
    1.52 +  {
    1.53 +    System.out.println("Purging old messages...");
    1.54 +
    1.55 +    for (;;)
    1.56 +    {
    1.57 +      // TODO: Delete articles directly in database
    1.58 +      Article art = null; //Database.getInstance().getOldestArticle();
    1.59 +      if (art == null) // No articles in the database
    1.60 +      {
    1.61 +        break;
    1.62 +      }
    1.63 +
    1.64 +/*      if (art.getDate().getTime() < (new Date().getTime() + this.lifetime))
    1.65 +      {
    1.66 + //       Database.getInstance().delete(art);
    1.67 +        System.out.println("Deleted: " + art);
    1.68 +      }
    1.69 +      else
    1.70 +      {
    1.71 +        break;
    1.72 +      }*/
    1.73 +    }
    1.74 +  }
    1.75 +  
    1.76 +  public static void main(String[] args)
    1.77 +  {
    1.78 +    try
    1.79 +    {
    1.80 +      Purger purger = new Purger();
    1.81 +      purger.purge();
    1.82 +      System.exit(0);
    1.83 +    }
    1.84 +    catch(Exception ex)
    1.85 +    {
    1.86 +      ex.printStackTrace();
    1.87 +      System.exit(1);
    1.88 +    }
    1.89 +  }
    1.90 +
    1.91 +}