/*
* pjftp FTP server.
* Copyright (C) 2012 Dmitriy Simbiriatin <dmitriy.simbiriatin@gmail.com>
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package ds.pjftp.command.impl;
import ds.pjftp.utils.NotNull;
import ds.pjftp.command.Command;
import ds.pjftp.utils.DateUtils;
import ds.pjftp.main.ClientSession;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Files;
import java.nio.file.attribute.FileTime;
import static java.nio.file.LinkOption.NOFOLLOW_LINKS;
public class Mdtm extends Command {
/**
* Handles MDTM command.
*/
@Override
public void invoke(@NotNull final ClientSession session, @NotNull final String param) {
final Path file = session.getFsView().getPath(param);
if (!Files.exists(file, NOFOLLOW_LINKS)) {
session.replyWithSpace(550, "File unavailable.");
return;
}
String timestamp = null;
try {
final FileTime lastMod = Files.getLastModifiedTime(file, NOFOLLOW_LINKS);
timestamp = DateUtils.format(lastMod);
} catch (IOException ex) {
session.replyWithSpace(500, "Failed to execute command.");
return;
}
session.replyWithSpace(213, timestamp);
}
}