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1   /*
2    * This file is part of Waarp Project (named also Waarp or GG).
3    *
4    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
6    * individual contributors.
7    *
8    *  All Waarp Project is free software: you can redistribute it and/or
9    * modify it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation, either version 3 of the License, or (at your
11   * option) any later version.
12   *
13   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16   *
17   *  You should have received a copy of the GNU General Public License along with
18   * Waarp . If not, see <http://www.gnu.org/licenses/>.
19   */
20  package org.waarp.ftp.core.command.service;
21  
22  import org.waarp.common.command.exception.CommandAbstractException;
23  import org.waarp.ftp.core.command.AbstractCommand;
24  
25  import java.util.List;
26  
27  /**
28   * NLST command
29   */
30  public class NLST extends AbstractCommand {
31    @Override
32    public final void exec() throws CommandAbstractException {
33      final String path;
34      final List<String> files;
35      if (!hasArg()) {
36        path = getSession().getDir().getPwd();
37        files = getSession().getDir().list(path);
38      } else {
39        path = getArg();
40        if (path.startsWith("-l") || path.startsWith("-L")) {
41          // This should be a LIST command
42          final String[] paths = getArgs();
43          if (paths.length > 1) {
44            files = getSession().getDir().listFull(paths[1], true);
45          } else {
46            files = getSession().getDir()
47                                .listFull(getSession().getDir().getPwd(), true);
48          }
49        } else {
50          files = getSession().getDir().list(path);
51        }
52      }
53      getSession().openDataConnection();
54      getSession().getDataConn().getFtpTransferControl()
55                  .setNewFtpTransfer(getCode(), files, path);
56    }
57  
58  }