01: /*
02: * BinaryOutputStream.java
03: *
04: * Copyright (C) 2003 Peter Graves
05: * $Id: BinaryOutputStream.java,v 1.6 2003/11/15 11:03:32 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: import java.io.BufferedOutputStream;
25: import java.io.IOException;
26: import java.io.OutputStream;
27:
28: public final class BinaryOutputStream extends LispOutputStream {
29: private final BufferedOutputStream out;
30:
31: public BinaryOutputStream(OutputStream outputStream) {
32: out = new BufferedOutputStream(outputStream);
33: }
34:
35: public void writeByte(int n) throws ConditionThrowable {
36: try {
37: out.write(n);
38: } catch (IOException e) {
39: throw new ConditionThrowable(new StreamError(e));
40: }
41: }
42:
43: public void flushOutput() throws ConditionThrowable {
44: try {
45: out.flush();
46: } catch (IOException e) {
47: throw new ConditionThrowable(new StreamError(e));
48: }
49: }
50:
51: // Returns true if stream was open, otherwise implementation-dependent.
52: public LispObject close(LispObject abort) throws ConditionThrowable {
53: try {
54: out.close();
55: return T;
56: } catch (IOException e) {
57: throw new ConditionThrowable(new StreamError(e));
58: }
59: }
60:
61: public String toString() {
62: return unreadableString("STREAM [binary output]");
63: }
64: }
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