01: /*
02: * SocketStream.java
03: *
04: * Copyright (C) 2004 Peter Graves
05: * $Id: SocketStream.java,v 1.2 2004/06/22 23:07:46 piso Exp $
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * 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.Socket;
25:
26: public final class SocketStream extends TwoWayStream {
27: private final Socket socket;
28:
29: public SocketStream(Socket socket, Stream in, Stream out) {
30: super (in, out);
31: this .socket = socket;
32: }
33:
34: public LispObject typeOf() {
35: return Symbol.SOCKET_STREAM;
36: }
37:
38: public LispClass classOf() {
39: return BuiltInClass.SOCKET_STREAM;
40: }
41:
42: public LispObject typep(LispObject type) throws ConditionThrowable {
43: if (type == Symbol.SOCKET_STREAM)
44: return T;
45: if (type == BuiltInClass.SOCKET_STREAM)
46: return T;
47: return super .typep(type);
48: }
49:
50: public LispObject close(LispObject abort) throws ConditionThrowable {
51: try {
52: socket.close();
53: setOpen(false);
54: return T;
55: } catch (Exception e) {
56: return signal(new LispError(e.getMessage()));
57: }
58: }
59:
60: public String toString() {
61: return unreadableString("SOCKET-STREAM");
62: }
63: }
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