org.apache.tools.ant.util.NullOutputStream Maven / Gradle / Ivy
/*
* 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
*
* https://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.tools.ant.util;
import java.io.OutputStream;
/**
* OutputStream that completely discards all data written to it.
*
* @since Ant 1.10.10
*/
public class NullOutputStream extends OutputStream {
/**
* Shared instance which is safe to use concurrently as the stream
* doesn't hold any state at all.
*/
public static NullOutputStream INSTANCE = new NullOutputStream();
private NullOutputStream() { }
/**
* Doesn't do anything.
*/
@Override
public void write(byte[] b) { }
/**
* Doesn't do anything.
*/
@Override
public void write(byte[] b, int off, int len) { }
/**
* Doesn't do anything.
*/
@Override
public void write(int i) { }
}