1 /* VMNetworkInterface.java --
2 Copyright (C) 2005 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 java.net;
40
41 import gnu.classpath.Configuration;
42
43 import java.util.Vector;
44
45 /**
46 * This class models a network interface on the host computer. A network
47 * interface contains a name (typically associated with a specific
48 * hardware adapter) and a list of addresses that are bound to it.
49 * For example, an ethernet interface may be named "eth0" and have the
50 * address 192.168.1.101 assigned to it.
51 *
52 * @author Michael Koch (konqueror@gmx.de)
53 * @since 1.4
54 */
55 final class VMNetworkInterface
56 {
57 static
58 {
59 if (Configuration.INIT_LOAD_LIBRARY)
60 System.loadLibrary("javanet");
61 }
62
63 /**
64 * Returns a Vector of InetAddresses. The returned value will be
65 * 'condensed', meaning that all elements with the same interface
66 * name will be collapesed into one InetAddress for that name
67 * containing all addresses before the returning the result to the
68 * user. This means the native method can be implemented in a naive
69 * way mapping each address/interface to a name even if that means
70 * that the Vector contains multiple InetAddresses with the same
71 * interface name.
72 */
73 public static native Vector getInterfaces()
74 throws SocketException;
75 }
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