chris@1: /*
chris@1:  *   SONEWS News Server
chris@1:  *   see AUTHORS for the list of contributors
chris@1:  *
chris@1:  *   This program is free software: you can redistribute it and/or modify
chris@1:  *   it under the terms of the GNU General Public License as published by
chris@1:  *   the Free Software Foundation, either version 3 of the License, or
chris@1:  *   (at your option) any later version.
chris@1:  *
chris@1:  *   This program is distributed in the hope that it will be useful,
chris@1:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1:  *   GNU General Public License for more details.
chris@1:  *
chris@1:  *   You should have received a copy of the GNU General Public License
chris@1:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1:  */
chris@1: 
chris@1: package org.sonews.daemon.command;
chris@1: 
chris@1: import java.io.IOException;
chris@1: import java.sql.SQLException;
chris@1: import java.util.List;
chris@1: import org.sonews.daemon.NNTPConnection;
chris@1: import org.sonews.daemon.storage.Group;
chris@1: 
chris@1: /**
chris@1:  * Class handling the LIST command.
chris@1:  * @author Christian Lins
chris@1:  * @author Dennis Schwerdel
chris@1:  * @since n3tpd/0.1
chris@1:  */
chris@1: public class ListCommand extends AbstractCommand
chris@1: {
chris@1: 
chris@1:   public ListCommand(final NNTPConnection conn)
chris@1:   {
chris@1:     super(conn);
chris@1:   }
chris@1: 
chris@1:   @Override
chris@1:   public boolean hasFinished()
chris@1:   {
chris@1:     return true;
chris@1:   }
chris@1:   
chris@1:   @Override
chris@1:   public void processLine(final String line)
chris@1:     throws IOException, SQLException
chris@1:   {
chris@1:     final String[] command = line.split(" ");
chris@1:     
chris@1:     if (command.length >= 2)
chris@1:     {
chris@1:       if (command[1].equalsIgnoreCase("OVERVIEW.FMT"))
chris@1:       {
chris@1:         printStatus(215, "information follows");
chris@1:         println("Subject:\nFrom:\nDate:\nMessage-ID:\nReferences:\nBytes:\nLines:\nXref");
chris@1:         println(".");
chris@1:       }
chris@1:       else if (command[1].equalsIgnoreCase("NEWSGROUPS"))
chris@1:       {
chris@1:         printStatus(215, "information follows");
chris@1:         final List<Group> list = Group.getAll();
chris@1:         for (Group g : list)
chris@1:         {
chris@1:           println(g.getName() + "\t" + "-");
chris@1:         }
chris@1:         println(".");
chris@1:       }
chris@1:       else if (command[1].equalsIgnoreCase("SUBSCRIPTIONS"))
chris@1:       {
chris@1:         printStatus(215, "information follows");
chris@1:         println(".");
chris@1:       }
chris@1:       else if (command[1].equalsIgnoreCase("EXTENSIONS"))
chris@1:       {
chris@1:         printStatus(202, "Supported NNTP extensions.");
chris@1:         println("LISTGROUP");
chris@1:         println(".");
chris@1:  
chris@1:       }
chris@1:       else
chris@1:       {
chris@1:         printStatus(500, "unknown argument to LIST command");
chris@1:       }
chris@1:     }
chris@1:     else
chris@1:     {
chris@1:       final List<Group> groups = Group.getAll();
chris@1:       if(groups != null)
chris@1:       {
chris@1:         printStatus(215, "list of newsgroups follows");
chris@1:         for (Group g : groups)
chris@1:         {
chris@1:           // Indeed first the higher article number then the lower
chris@1:           println(g.getName() + " " + g.getLastArticleNumber() + " "
chris@1:               + g.getFirstArticleNumber() + " y");
chris@1:         }
chris@1:         println(".");
chris@1:       }
chris@1:       else
chris@1:       {
chris@1:         printStatus(500, "server database malfunction");
chris@1:       }
chris@1:     }
chris@1:   }
chris@1: 
chris@1: }