/*
* 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.structure;
import ds.pjftp.structure.impl.FileStructure;
/**
* This static class is used to create appropriate instance of
* {@link Structure} class.
*/
public final class Structures {
/**
* Upper case flag, which indicates file transfer structure.
*/
public static final char FILE_UP = 'F';
/**
* Lower case flag, which indicates file transfer structure.
*/
public static final char FILE_LOW = 'f';
private Structures() {
// Not used here.
}
/**
* Returns an implementation of Structure class depending
* on specified character flag.
* @param type structure type.
* @return appropriate implementation of Structure class.
*/
public static Structure get(final char type) {
if (type == FILE_UP || type == FILE_LOW) {
return new FileStructure();
}
return null;
}
}