01: /*
02: * StreamError.java
03: *
04: * Copyright (C) 2002-2003 Peter Graves
05: * $Id: StreamError.java,v 1.6 2003/11/15 11:03:33 beedlem 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: public class StreamError extends LispError {
25: private Throwable cause;
26:
27: public StreamError() {
28: }
29:
30: public StreamError(LispObject initArgs) {
31: }
32:
33: public StreamError(String message) {
34: super (message);
35: }
36:
37: public StreamError(Throwable cause) {
38: super ();
39: this .cause = cause;
40: }
41:
42: public LispObject typeOf() {
43: return Symbol.STREAM_ERROR;
44: }
45:
46: public LispClass classOf() {
47: return BuiltInClass.STREAM_ERROR;
48: }
49:
50: public LispObject typep(LispObject type) throws ConditionThrowable {
51: if (type == Symbol.STREAM_ERROR)
52: return T;
53: if (type == BuiltInClass.STREAM_ERROR)
54: return T;
55: return super .typep(type);
56: }
57:
58: public String getMessage() {
59: if (cause != null) {
60: String message = cause.getMessage();
61: if (message != null && message.length() > 0)
62: return message;
63: }
64: return "stream error";
65: }
66: }
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