1 /* (c) Copyright 2003 Caleigo AB, All rights reserved.
2 *
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
18
19 package org.caleigo.toolkit.tunnel;
20
21 import java.io.*;
22
23 /*** An ITunnelPacker packs and unpacks messages that are sent by an ITunnel.
24 *
25 * @author Mattias Hagstrand
26 * @version 1.00
27 *
28 *//*
29 *
30 * WHEN WHO WHY & WHAT
31 * -----------------------------------------------------------------------------
32 * 2002-07-01 Mattias Hagstrand Creation
33 */
34 public interface ITunnelPacker
35 {
36 // Constants ---------------------------------------------------------------
37
38 // Methods -----------------------------------------------------------------
39
40 /***
41 * Creates and returns an InputStream that wrapps the provided InputStream.
42 * The returned InputStream can then be used to unpack messages. The returned
43 * InputStream must be stateless.
44 */
45 public InputStream createInputStream(InputStream in);
46
47 /***
48 * Creates and returns an OutputStream that wrapps the provided OutputStream.
49 * The returned OutputStream can then be used to pack messages. The returned
50 * OutputStream must be stateless.
51 */
52 public OutputStream createOutputStream(OutputStream out);
53 }