1 /**
2 * This file Copyright (c) 2008-2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.cache.filter;
35
36 import java.io.IOException;
37 import java.io.OutputStream;
38
39 import javax.servlet.ServletOutputStream;
40 import javax.servlet.WriteListener;
41
42 /**
43 * Servlet output stream implementation. Doesn't provide any additional functionality.
44 */
45 public class SimpleServletOutputStream extends ServletOutputStream {
46
47 private final OutputStream out;
48
49 public SimpleServletOutputStream(OutputStream out) {
50 this.out = out;
51 }
52
53 @Override
54 public void write(int b) throws IOException {
55 out.write(b);
56 }
57
58 @Override
59 public void write(byte[] b) throws IOException {
60 out.write(b);
61 }
62
63 @Override
64 public void write(byte[] b, int off, int len) throws IOException {
65 out.write(b, off, len);
66 }
67
68 @Override
69 public boolean isReady() {
70 return false;
71 }
72
73 @Override
74 public void setWriteListener(WriteListener writeListener) {
75 throw new UnsupportedOperationException();
76 }
77 }