1 /*
2 * $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/WireLogInputStream.java,v 1.12 2003/07/02 00:37:26 mbecke Exp $
3 * $Revision: 1.12 $
4 * $Date: 2003/07/02 00:37:26 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2003 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * [Additional notices, if required by prior licensing conditions]
61 *
62 */
63
64 package org.apache.commons.httpclient;
65
66 import java.io.FilterInputStream;
67 import java.io.IOException;
68 import java.io.InputStream;
69
70 /***
71 * Logs all data read to the wire LOG.
72 *
73 * @author Ortwin Gl�ck
74 * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
75 * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
76 *
77 * @since 2.0
78 */
79
80 class WireLogInputStream extends FilterInputStream {
81
82 /*** Original input stream. */
83 private InputStream in;
84
85 /***
86 * Create an instance that wraps the specified input stream.
87 * @param in The input stream.
88 */
89 public WireLogInputStream(InputStream in) {
90 super(in);
91 this.in = in;
92 }
93 /***
94 *
95 * @see java.io.InputStream#read(byte[], int, int)
96 */
97 public int read(byte[] b, int off, int len) throws IOException {
98 int l = this.in.read(b, off, len);
99 if (l > 0) {
100 Wire.input(b, off, l);
101 }
102 return l;
103 }
104
105 /***
106 *
107 * @see java.io.InputStream#read()
108 */
109 public int read() throws IOException {
110 int l = this.in.read();
111 if (l > 0) {
112 Wire.input(l);
113 }
114 return l;
115 }
116
117 /***
118 *
119 * @see java.io.InputStream#read(byte[])
120 */
121 public int read(byte[] b) throws IOException {
122 int l = this.in.read(b);
123 if (l > 0) {
124 Wire.input(b, 0, l);
125 }
126 return l;
127 }
128 }
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