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Java > Open Source Codes > se > mog > io > FileSystem


1 /*
2  * This file is part of DrFTPD, Distributed FTP Daemon.
3  *
4  * DrFTPD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * DrFTPD is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with DrFTPD; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  */
18 package se.mog.io;
19
20 import java.io.IOException JavaDoc;
21
22 /**
23  * @author <a HREF="mailto:drftpd@mog.se">Morgan Christiansson</a>
24  *
25  * To change the template for this generated type comment go to
26  * Window>Preferences>Java>Code Generation>Code and Comments
27  */
28 abstract class FileSystem {
29     static {
30         System.loadLibrary("FileSystem");
31     }
32     public static native FileSystem getFileSystem();
33     /**
34      * Lists mount points and disk drives
35      *
36      * On UNIX this also lists file systems such as /proc.
37      * To make listMountsbehave like df omit volumes with 0 bytes using se.mog.io.File#getAvailableDiskSpace()
38      * @return
39      */
40     public abstract File[] listMounts() throws IOException JavaDoc;
41     public abstract DiskFreeSpace getDiskFreeSpace(File file);
42 }
43
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