1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/org/sonews/daemon/command/StatCommand.java	Sun Aug 29 17:43:58 2010 +0200
     1.3 @@ -0,0 +1,114 @@
     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.daemon.command;
    1.23 +
    1.24 +import java.io.IOException;
    1.25 +import org.sonews.storage.Article;
    1.26 +import org.sonews.daemon.NNTPConnection;
    1.27 +import org.sonews.storage.StorageBackendException;
    1.28 +
    1.29 +/**
    1.30 + * Implementation of the STAT command.
    1.31 + * @author Christian Lins
    1.32 + * @since sonews/0.5.0
    1.33 + */
    1.34 +public class StatCommand implements Command
    1.35 +{
    1.36 +
    1.37 +  @Override
    1.38 +  public String[] getSupportedCommandStrings()
    1.39 +  {
    1.40 +    return new String[]{"STAT"};
    1.41 +  }
    1.42 +
    1.43 +  @Override
    1.44 +  public boolean hasFinished()
    1.45 +  {
    1.46 +    return true;
    1.47 +  }
    1.48 +
    1.49 +  @Override
    1.50 +  public String impliedCapability()
    1.51 +  {
    1.52 +    return null;
    1.53 +  }
    1.54 +
    1.55 +  @Override
    1.56 +  public boolean isStateful()
    1.57 +  {
    1.58 +    return false;
    1.59 +  }
    1.60 +
    1.61 +  // TODO: Method has various exit points => Refactor!
    1.62 +  @Override
    1.63 +  public void processLine(NNTPConnection conn, final String line, byte[] raw)
    1.64 +    throws IOException, StorageBackendException
    1.65 +  {
    1.66 +    final String[] command = line.split(" ");
    1.67 +
    1.68 +    Article article = null;
    1.69 +    if(command.length == 1)
    1.70 +    {
    1.71 +      article = conn.getCurrentArticle();
    1.72 +      if(article == null)
    1.73 +      {
    1.74 +        conn.println("420 no current article has been selected");
    1.75 +        return;
    1.76 +      }
    1.77 +    }
    1.78 +    else if(command[1].matches(NNTPConnection.MESSAGE_ID_PATTERN))
    1.79 +    {
    1.80 +      // Message-ID
    1.81 +      article = Article.getByMessageID(command[1]);
    1.82 +      if (article == null)
    1.83 +      {
    1.84 +        conn.println("430 no such article found");
    1.85 +        return;
    1.86 +      }
    1.87 +    }
    1.88 +    else
    1.89 +    {
    1.90 +      // Message Number
    1.91 +      try
    1.92 +      {
    1.93 +        long aid = Long.parseLong(command[1]);
    1.94 +        article = conn.getCurrentChannel().getArticle(aid);
    1.95 +      }
    1.96 +      catch(NumberFormatException ex)
    1.97 +      {
    1.98 +        ex.printStackTrace();
    1.99 +      }
   1.100 +      catch(StorageBackendException ex)
   1.101 +      {
   1.102 +        ex.printStackTrace();
   1.103 +      }
   1.104 +      if (article == null)
   1.105 +      {
   1.106 +        conn.println("423 no such article number in this group");
   1.107 +        return;
   1.108 +      }
   1.109 +      conn.setCurrentArticle(article);
   1.110 +    }
   1.111 +    
   1.112 +    conn.println("223 " + conn.getCurrentChannel().getIndexOf(article) + " "
   1.113 +      + article.getMessageID()
   1.114 +      + " article retrieved - request text separately");
   1.115 +  }
   1.116 +  
   1.117 +}