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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.IOException;
20  import java.io.OutputStream;
21  
22  /**
23   * This OutputStream writes all data to the famous <b>/dev/null</b>.
24   * <p>
25   * This output stream has no destination (file/socket etc.) and all
26   * bytes written to it are ignored and lost.
27   * 
28   * @author Jeremias Maerki
29   * @version $Id: NullOutputStream.java 437567 2006-08-28 06:39:07Z bayard $
30   */
31  public class NullOutputStream extends OutputStream {
32  
33      /**
34       * @see java.io.OutputStream#write(byte[], int, int)
35       */
36      public void write(byte[] b, int off, int len) {
37          //to /dev/null
38      }
39  
40      /**
41       * @see java.io.OutputStream#write(int)
42       */
43      public void write(int b) {
44          //to /dev/null
45      }
46  
47      /**
48       * @see java.io.OutputStream#write(byte[])
49       */
50      public void write(byte[] b) throws IOException {
51          //to /dev/null
52      }
53  
54  }