1 /*
2 * XNap - A P2P framework and client.
3 *
4 * See the file AUTHORS for copyright information.
5 *
6 * This program 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.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 package org.xnap.plugin.opennap.net;
21
22 import java.io.IOException;
23
24 /***
25 * Defines the requirements for classes that provide support to read server
26 * information from external sources.
27 */
28 public interface OpenNapServerReader {
29
30 //--- Method(s) ---
31
32 /***
33 * Invoked when the stream is closed.
34 */
35 void close();
36
37 /***
38 * Invoked when the stream is opened.
39 */
40 void open() throws IOException;
41
42 /***
43 * Called successively after open was invoked.
44 *
45 * @return null, if the end of the stream has been reached, close will
46 * be called then
47 */
48 OpenNapServer read() throws IOException;
49
50 }