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Java > Open Source Codes > org > armedbear > lisp > SiteName


1 /*
2  * SiteName.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id: SiteName.java,v 1.1 2004/02/27 17:50:06 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21
22 package org.armedbear.lisp;
23
24 import java.net.InetAddress JavaDoc;
25
26 public final class SiteName extends Lisp
27 {
28     private static LispObject getHostName()
29     {
30         String JavaDoc hostName = null;
31         try {
32             InetAddress JavaDoc addr = InetAddress.getLocalHost();
33             if (addr != null)
34                 hostName = addr.getHostName();
35         }
36         catch (Throwable JavaDoc t) {}
37         return hostName != null ? new SimpleString(hostName) : NIL;
38     }
39
40     private static final Primitive0 MACHINE_INSTANCE =
41         new Primitive0("machine-instance")
42     {
43         public LispObject execute()
44         {
45             return getHostName();
46         }
47     };
48
49     private static final Primitive0 LONG_SITE_NAME =
50         new Primitive0("long-site-name")
51     {
52         public LispObject execute()
53         {
54             return getHostName();
55         }
56     };
57
58     private static final Primitive0 SHORT_SITE_NAME =
59         new Primitive0("short-site-name")
60     {
61         public LispObject execute()
62         {
63             return getHostName();
64         }
65     };
66 }
67
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