author | František Kučera <franta-hg@frantovo.cz> |
Mon Oct 17 00:55:48 2011 +0200 (2011-10-17) | |
changeset 85 | a76b94bcec92 |
parent 37 | 74139325d305 |
permissions | -rwxr-xr-x |
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/* |
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* SONEWS News Server |
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* see AUTHORS for the list of contributors |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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package org.sonews.daemon.command; |
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|
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import java.io.IOException; |
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import org.sonews.daemon.NNTPConnection; |
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import org.sonews.storage.Group; |
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import org.sonews.storage.StorageBackendException; |
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import org.sonews.storage.StorageManager; |
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|
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/** |
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* Class handling the GROUP command. |
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* <pre> |
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* Syntax |
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* GROUP group |
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* |
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* Responses |
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* 211 number low high group Group successfully selected |
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* 411 No such newsgroup |
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* |
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* Parameters |
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* group Name of newsgroup |
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* number Estimated number of articles in the group |
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* low Reported low water mark |
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* high Reported high water mark |
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* </pre> |
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* (from RFC 3977) |
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* |
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* @author Christian Lins |
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* @author Dennis Schwerdel |
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* @since n3tpd/0.1 |
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*/ |
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public class GroupCommand implements Command |
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{ |
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|
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@Override |
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public String[] getSupportedCommandStrings() |
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{ |
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return new String[] {"GROUP"}; |
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} |
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|
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@Override |
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public boolean hasFinished() |
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{ |
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return true; |
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} |
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|
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@Override |
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public String impliedCapability() |
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{ |
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return null; |
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} |
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|
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@Override |
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public boolean isStateful() |
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{ |
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return true; |
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} |
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|
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@Override |
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public void processLine(NNTPConnection conn, final String line, byte[] raw) |
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throws IOException, StorageBackendException |
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{ |
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final String[] command = line.split(" "); |
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|
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Group group; |
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if (command.length >= 2) { |
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group = StorageManager.current().getGroup(command[1]); |
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if (group == null || group.isDeleted()) { |
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conn.println("411 no such news group"); |
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} else { |
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conn.setCurrentGroup(group); |
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conn.println("211 " + group.getPostingsCount() + " " + group.getFirstArticleNumber() |
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+ " " + group.getLastArticleNumber() + " " + group.getName() + " group selected"); |
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} |
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} else { |
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conn.println("500 no group name given"); |
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} |
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} |
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} |