1/*
2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.net.www.http;
27import java.io.*;
28
29/**
30 * A Simple FilterInputStream subclass to capture HTTP traffic.
31 * Every byte read is also passed to the HttpCapture class.
32 *
33 * @author jccollet
34 */
35public class HttpCaptureInputStream extends FilterInputStream {
36    private HttpCapture capture = null;
37
38    public HttpCaptureInputStream(InputStream in, HttpCapture cap) {
39        super(in);
40        capture = cap;
41    }
42
43    @Override
44    public int read() throws IOException {
45        int i = super.read();
46        capture.received(i);
47        return i;
48    }
49
50    @Override
51    public void close() throws IOException {
52        try {
53            capture.flush();
54        } catch (IOException iOException) {
55        }
56        super.close();
57    }
58
59    @Override
60    public int read(byte[] b) throws IOException {
61        int ret = super.read(b);
62        for (int i = 0; i < ret; i++) {
63            capture.received(b[i]);
64        }
65        return ret;
66    }
67
68    @Override
69    public int read(byte[] b, int off, int len) throws IOException {
70        int ret = super.read(b, off, len);
71        for (int i = 0; i < ret; i++) {
72            capture.received(b[off+i]);
73        }
74        return ret;
75    }
76}
77