| 1 | /* DTPInputStream.java -- |
| 2 | Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Classpath. |
| 5 | |
| 6 | GNU Classpath is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Classpath is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Classpath; see the file COPYING. If not, write to the |
| 18 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 19 | 02110-1301 USA. |
| 20 | |
| 21 | Linking this library statically or dynamically with other modules is |
| 22 | making a combined work based on this library. Thus, the terms and |
| 23 | conditions of the GNU General Public License cover the whole |
| 24 | combination. |
| 25 | |
| 26 | As a special exception, the copyright holders of this library give you |
| 27 | permission to link this library with independent modules to produce an |
| 28 | executable, regardless of the license terms of these independent |
| 29 | modules, and to copy and distribute the resulting executable under |
| 30 | terms of your choice, provided that you also meet, for each linked |
| 31 | independent module, the terms and conditions of the license of that |
| 32 | module. An independent module is a module which is not derived from |
| 33 | or based on this library. If you modify this library, you may extend |
| 34 | this exception to your version of the library, but you are not |
| 35 | obligated to do so. If you do not wish to do so, delete this |
| 36 | exception statement from your version. */ |
| 37 | |
| 38 | |
| 39 | package gnu.java.net.protocol.ftp; |
| 40 | |
| 41 | import java.io.FilterInputStream; |
| 42 | import java.io.IOException; |
| 43 | import java.io.InputStream; |
| 44 | |
| 45 | /** |
| 46 | * An input stream that notifies a DTP on completion. |
| 47 | * |
| 48 | * @author Chris Burdess (dog@gnu.org) |
| 49 | */ |
| 50 | abstract class DTPInputStream |
| 51 | extends FilterInputStream |
| 52 | { |
| 53 | |
| 54 | DTP dtp; |
| 55 | boolean transferComplete; |
| 56 | |
| 57 | /** |
| 58 | * Constructor. |
| 59 | * @param dtp the controlling data transfer process |
| 60 | * @param in the underlying socket stream |
| 61 | */ |
| 62 | DTPInputStream (DTP dtp, InputStream in) |
| 63 | { |
| 64 | super(in); |
| 65 | this.dtp = dtp; |
| 66 | transferComplete = false; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Marks this input stream complete. |
| 71 | * This is called by the DTP. |
| 72 | */ |
| 73 | void setTransferComplete(boolean flag) |
| 74 | { |
| 75 | transferComplete = flag; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Notifies the controlling DTP that this stream has completed transfer. |
| 80 | */ |
| 81 | public void close() |
| 82 | throws IOException |
| 83 | { |
| 84 | dtp.transferComplete(); |
| 85 | } |
| 86 | |
| 87 | } |
| 88 | |