/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.io.output;

import java.io.IOException;
import java.io.OutputStream;

This OutputStream writes all data to the famous /dev/null.

This output stream has no destination (file/socket etc.) and all bytes written to it are ignored and lost.

Version:$Id$
/** * This OutputStream writes all data to the famous <b>/dev/null</b>. * <p> * This output stream has no destination (file/socket etc.) and all * bytes written to it are ignored and lost. *</p> * @version $Id$ */
public class NullOutputStream extends OutputStream {
A singleton.
/** * A singleton. */
public static final NullOutputStream NULL_OUTPUT_STREAM = new NullOutputStream();
Does nothing - output to /dev/null.
Params:
  • b – The bytes to write
  • off – The start offset
  • len – The number of bytes to write
/** * Does nothing - output to <code>/dev/null</code>. * @param b The bytes to write * @param off The start offset * @param len The number of bytes to write */
@Override public void write(final byte[] b, final int off, final int len) { //to /dev/null }
Does nothing - output to /dev/null.
Params:
  • b – The byte to write
/** * Does nothing - output to <code>/dev/null</code>. * @param b The byte to write */
@Override public void write(final int b) { //to /dev/null }
Does nothing - output to /dev/null.
Params:
  • b – The bytes to write
Throws:
/** * Does nothing - output to <code>/dev/null</code>. * @param b The bytes to write * @throws IOException never */
@Override public void write(final byte[] b) throws IOException { //to /dev/null } }