1 /*
2  * socket_accept.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id$
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  * As a special exception, the copyright holders of this library give you
22  * permission to link this library with independent modules to produce an
23  * executable, regardless of the license terms of these independent
24  * modules, and to copy and distribute the resulting executable under
25  * terms of your choice, provided that you also meet, for each linked
26  * independent module, the terms and conditions of the license of that
27  * module.  An independent module is a module which is not derived from
28  * or based on this library.  If you modify this library, you may extend
29  * this exception to your version of the library, but you are not
30  * obligated to do so.  If you do not wish to do so, delete this
31  * exception statement from your version.
32  */
33 
34 package org.armedbear.lisp;
35 
36 import static org.armedbear.lisp.Lisp.*;
37 
38 import java.net.ServerSocket;
39 import java.net.Socket;
40 
41 // ### %socket-accept
42 public final class socket_accept extends Primitive
43 {
socket_accept()44     private socket_accept()
45     {
46         super("%socket-accept", PACKAGE_SYS, false, "socket");
47     }
48 
49     @Override
execute(LispObject first)50     public LispObject execute(LispObject first)
51 
52     {
53          ServerSocket serverSocket =
54             (ServerSocket) ((JavaObject)first).getObject();
55 	 try {
56             Socket socket = serverSocket.accept();
57             return new JavaObject(socket);
58         }
59         catch (Exception e) {
60             return error(new LispError(e.getMessage()));
61 	}
62     }
63 
64     private static final Primitive SOCKET_ACCEPT = new socket_accept();
65 }
66