1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/org/sonews/daemon/command/ListCommand.java Fri Jun 26 16:48:50 2009 +0200
1.3 @@ -0,0 +1,109 @@
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 java.sql.SQLException;
1.26 +import java.util.List;
1.27 +import org.sonews.daemon.NNTPConnection;
1.28 +import org.sonews.daemon.storage.Group;
1.29 +
1.30 +/**
1.31 + * Class handling the LIST command.
1.32 + * @author Christian Lins
1.33 + * @author Dennis Schwerdel
1.34 + * @since n3tpd/0.1
1.35 + */
1.36 +public class ListCommand extends AbstractCommand
1.37 +{
1.38 +
1.39 + public ListCommand(final NNTPConnection conn)
1.40 + {
1.41 + super(conn);
1.42 + }
1.43 +
1.44 + @Override
1.45 + public boolean hasFinished()
1.46 + {
1.47 + return true;
1.48 + }
1.49 +
1.50 + @Override
1.51 + public void processLine(final String line)
1.52 + throws IOException, SQLException
1.53 + {
1.54 + final String[] command = line.split(" ");
1.55 +
1.56 + if (command.length >= 2)
1.57 + {
1.58 + if (command[1].equalsIgnoreCase("OVERVIEW.FMT"))
1.59 + {
1.60 + printStatus(215, "information follows");
1.61 + println("Subject:\nFrom:\nDate:\nMessage-ID:\nReferences:\nBytes:\nLines:\nXref");
1.62 + println(".");
1.63 + }
1.64 + else if (command[1].equalsIgnoreCase("NEWSGROUPS"))
1.65 + {
1.66 + printStatus(215, "information follows");
1.67 + final List<Group> list = Group.getAll();
1.68 + for (Group g : list)
1.69 + {
1.70 + println(g.getName() + "\t" + "-");
1.71 + }
1.72 + println(".");
1.73 + }
1.74 + else if (command[1].equalsIgnoreCase("SUBSCRIPTIONS"))
1.75 + {
1.76 + printStatus(215, "information follows");
1.77 + println(".");
1.78 + }
1.79 + else if (command[1].equalsIgnoreCase("EXTENSIONS"))
1.80 + {
1.81 + printStatus(202, "Supported NNTP extensions.");
1.82 + println("LISTGROUP");
1.83 + println(".");
1.84 +
1.85 + }
1.86 + else
1.87 + {
1.88 + printStatus(500, "unknown argument to LIST command");
1.89 + }
1.90 + }
1.91 + else
1.92 + {
1.93 + final List<Group> groups = Group.getAll();
1.94 + if(groups != null)
1.95 + {
1.96 + printStatus(215, "list of newsgroups follows");
1.97 + for (Group g : groups)
1.98 + {
1.99 + // Indeed first the higher article number then the lower
1.100 + println(g.getName() + " " + g.getLastArticleNumber() + " "
1.101 + + g.getFirstArticleNumber() + " y");
1.102 + }
1.103 + println(".");
1.104 + }
1.105 + else
1.106 + {
1.107 + printStatus(500, "server database malfunction");
1.108 + }
1.109 + }
1.110 + }
1.111 +
1.112 +}