chris@0: /*
chris@0:  *   StarOffice News Server
chris@0:  *   see AUTHORS for the list of contributors
chris@0:  *
chris@0:  *   This program is free software: you can redistribute it and/or modify
chris@0:  *   it under the terms of the GNU General Public License as published by
chris@0:  *   the Free Software Foundation, either version 3 of the License, or
chris@0:  *   (at your option) any later version.
chris@0:  *
chris@0:  *   This program is distributed in the hope that it will be useful,
chris@0:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@0:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@0:  *   GNU General Public License for more details.
chris@0:  *
chris@0:  *   You should have received a copy of the GNU General Public License
chris@0:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@0:  */
chris@0: 
chris@0: package com.so.news.command;
chris@0: 
chris@0: import java.io.IOException;
chris@0: import java.util.ArrayList;
chris@0: import com.so.news.NNTPConnection;
chris@0: import com.so.news.storage.Group;
chris@0: 
chris@0: /**
chris@0:  * Class handling the LIST command.
chris@0:  * @author Christian Lins
chris@0:  * @author Dennis Schwerdel
chris@0:  */
chris@0: public class ListCommand extends Command
chris@0: {
chris@0:   public ListCommand(NNTPConnection conn)
chris@0:   {
chris@0:     super(conn);
chris@0:   }
chris@0: 
chris@0:   public boolean process(String[] command) 
chris@0:     throws Exception
chris@0:   {
chris@0:     if (command.length >= 2)
chris@0:     {
chris@0:       if (command[1].equalsIgnoreCase("OVERVIEW.FMT"))
chris@0:       {
chris@0:         printStatus(215, "information follows");
chris@0:         printText("Subject:\nFrom:\nDate:\nMessage-ID:\nReferences:\nBytes:\nLines:");
chris@0:         return true;
chris@0:       }
chris@0:       if (command[1].equalsIgnoreCase("NEWSGROUPS"))
chris@0:       {
chris@0:         printStatus(215, "information follows");
chris@0:         ArrayList<Group> list = Group.getAll();
chris@0:         for (Group g : list)
chris@0:         {
chris@0:           printTextLine(g.getName() + "\t" + "-");
chris@0:         }
chris@0:         println(".");
chris@0:         flush();
chris@0:         return true;
chris@0:       }
chris@0:       if (command[1].equalsIgnoreCase("SUBSCRIPTIONS"))
chris@0:       {
chris@0:         printStatus(215, "information follows");
chris@0:         println(".");
chris@0:         flush();
chris@0:         return true;
chris@0:       }
chris@0:       if (command[1].equalsIgnoreCase("EXTENSIONS"))
chris@0:       {
chris@0:         printStatus(202, "Supported NNTP extensions.");
chris@0:         printTextLine("LISTGROUP");
chris@0:         println(".");
chris@0:         flush();
chris@0:         return true;
chris@0:       }
chris@0:       return false;
chris@0:     }
chris@0:     printStatus(215, "list of newsgroups follows");
chris@0:     for (Group g : Group.getAll())
chris@0:     {
chris@0:       //if(g.getEstimatedArticleCount() <= 0)
chris@0:       //  continue;
chris@0:       
chris@0:       printTextLine(g.getName() + " " + g.getLastArticle() + " "
chris@0:           + g.getFirstArticle() + " y");
chris@0:     }
chris@0:     println(".");
chris@0:     flush();
chris@0:     return true;
chris@0:   }
chris@0: 
chris@0: }