1 /*
2 * Copyright (C) 2011, Stefan Lay <stefan.lay@.com> and others
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Distribution License v. 1.0 which is available at
6 * https://www.eclipse.org/org/documents/edl-v10.php.
7 *
8 * SPDX-License-Identifier: BSD-3-Clause
9 */
10 package org.eclipse.jgit.util.io;
11
12 import java.io.OutputStream;
13
14 /**
15 * An OutputStream which ignores everything written to it.
16 */
17 public class NullOutputStream extends OutputStream {
18
19 /** The canonical instance. */
20 public static final NullOutputStream INSTANCE = new NullOutputStream();
21
22 private NullOutputStream() {
23 // Do nothing, but we want to hide our constructor to prevent
24 // more than one instance from being created.
25 }
26
27 /** {@inheritDoc} */
28 @Override
29 public void write(int b) {
30 // Discard.
31 }
32
33 /** {@inheritDoc} */
34 @Override
35 public void write(byte[] buf) {
36 // Discard.
37 }
38
39 /** {@inheritDoc} */
40 @Override
41 public void write(byte[] buf, int pos, int cnt) {
42 // Discard.
43 }
44 }