01: package com.quadcap.io;
02:
03: /* Copyright 1997 - 2003 Quadcap Software. All rights reserved.
04: *
05: * This software is distributed under the Quadcap Free Software License.
06: * This software may be used or modified for any purpose, personal or
07: * commercial. Open Source redistributions are permitted. Commercial
08: * redistribution of larger works derived from, or works which bundle
09: * this software requires a "Commercial Redistribution License"; see
10: * http://www.quadcap.com/purchase.
11: *
12: * Redistributions qualify as "Open Source" under one of the following terms:
13: *
14: * Redistributions are made at no charge beyond the reasonable cost of
15: * materials and delivery.
16: *
17: * Redistributions are accompanied by a copy of the Source Code or by an
18: * irrevocable offer to provide a copy of the Source Code for up to three
19: * years at the cost of materials and delivery. Such redistributions
20: * must allow further use, modification, and redistribution of the Source
21: * Code under substantially the same terms as this license.
22: *
23: * Redistributions of source code must retain the copyright notices as they
24: * appear in each source code file, these license terms, and the
25: * disclaimer/limitation of liability set forth as paragraph 6 below.
26: *
27: * Redistributions in binary form must reproduce this Copyright Notice,
28: * these license terms, and the disclaimer/limitation of liability set
29: * forth as paragraph 6 below, in the documentation and/or other materials
30: * provided with the distribution.
31: *
32: * The Software is provided on an "AS IS" basis. No warranty is
33: * provided that the Software is free of defects, or fit for a
34: * particular purpose.
35: *
36: * Limitation of Liability. Quadcap Software shall not be liable
37: * for any damages suffered by the Licensee or any third party resulting
38: * from use of the Software.
39: */
40:
41: import java.io.*;
42:
43: import com.quadcap.util.Debug;
44: import com.quadcap.util.Util;
45:
46: /**
47: * A filter output stream that simply keeps track of the count of bytes written.
48: *
49: * @author Stan Bailes
50: */
51:
52: public class TraceOutputStream extends OutputStream {
53: OutputStream out;
54:
55: public TraceOutputStream(OutputStream os) {
56: this .out = os;
57: }
58:
59: public void write(int b) throws IOException {
60: out.write(b);
61: Debug.println("write: " + b + " [" + Integer.toHexString(b)
62: + "]");
63: }
64:
65: public void write(byte[] buf, int offset, int len)
66: throws IOException {
67: out.write(buf, offset, len);
68: Debug.println("write: " + Util.strBytes(buf, offset, len));
69: }
70:
71: public void write(byte[] buf) throws IOException {
72: out.write(buf);
73: Debug.println("write: " + Util.strBytes(buf));
74: }
75:
76: public void flush() throws IOException {
77: Debug.println("flush");
78: out.flush();
79: }
80:
81: public void close() throws IOException {
82: out.close();
83: }
84:
85: }
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