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The Apache Commons IO library contains utility classes, stream implementations, file filters,
file comparators, endian transformation classes, and much more.
/*
* 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 $Id$
*/
public class NullOutputStream extends OutputStream {
/**
* A singleton.
*/
public static final NullOutputStream NULL_OUTPUT_STREAM = new NullOutputStream();
/**
* Does nothing - output to /dev/null
.
* @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
.
* @param b The byte to write
*/
@Override
public void write(final int b) {
//to /dev/null
}
/**
* Does nothing - output to /dev/null
.
* @param b The bytes to write
* @throws IOException never
*/
@Override
public void write(final byte[] b) throws IOException {
//to /dev/null
}
}
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