/*

  *   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.command;

 import java.util.List;

 import com.so.news.NNTPConnection;

 import com.so.news.storage.Article;

 import com.so.news.storage.Group;

 /**

  * Class handling the LISTGROUP command.

  * @author Christian Lins

  * @author Dennis Schwerdel

  */

 public class ListGroupCommand extends Command

 {

   public ListGroupCommand(NNTPConnection conn)

   {

     super(conn);

   }

   public boolean process(String[] command) 

     throws Exception

   {

     String commandName = command[0];

     if (!commandName.equalsIgnoreCase("LISTGROUP"))

       return false;

     // untested, RFC977 complient

     Group group = null;

     if (command.length >= 2)

     {

       group = Group.getByName(command[1]);

     }

     else

     {

       group = getCurrentGroup();

     }

     if (group == null)

     {

       printStatus(412, "Not currently in newsgroup");

       return true;

     }

     List<Article> list = group.getAllArticles();

     printStatus(211, "list of article numbers follow"); // argh, bad english in

     // RFC

     for (Article a : list)

     {

       printTextLine("" + a.getNumberInGroup());

     }

     println(".");

     flush();

     return true;

   }

 }