1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.io.output;
18
19 import java.io.Writer;
20
21 /**
22 * This {@link Writer} writes all data to the famous <b>/dev/null</b>.
23 * <p>
24 * This <code>Writer</code> has no destination (file/socket etc.) and all
25 * characters written to it are ignored and lost.
26 *
27 * @version $Id: NullWriter.java 462832 2006-10-11 15:48:09Z scolebourne $
28 */
29 public class NullWriter extends Writer {
30
31 /**
32 * Constructs a new NullWriter.
33 */
34 public NullWriter() {
35 }
36
37 /** @see java.io.Writer#write(int) */
38 public void write(int idx) {
39 //to /dev/null
40 }
41
42 /** @see java.io.Writer#write(char[]) */
43 public void write(char[] chr) {
44 //to /dev/null
45 }
46
47 /** @see java.io.Writer#write(char[], int, int) */
48 public void write(char[] chr, int st, int end) {
49 //to /dev/null
50 }
51
52 /** @see java.io.Writer#write(String) */
53 public void write(String str) {
54 //to /dev/null
55 }
56
57 /** @see java.io.Writer#write(String, int, int) */
58 public void write(String str, int st, int end) {
59 //to /dev/null
60 }
61
62 /** @see java.io.Writer#flush() */
63 public void flush() {
64 //to /dev/null
65 }
66
67 /** @see java.io.Writer#close() */
68 public void close() {
69 //to /dev/null
70 }
71
72 }