org.apache.hudi.org.apache.commons.io.output.NullAppendable 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
*
* 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;
/**
* Appends all data to the famous /dev/null.
*
* This Appendable has no destination (file/socket etc.) and all characters written to it are ignored and lost.
*
*
* @since 2.8.0
*/
public class NullAppendable implements Appendable {
/**
* A singleton.
*/
public static final NullAppendable INSTANCE = new NullAppendable();
/** Use the singleton. */
private NullAppendable() {
// no instances.
}
@Override
public Appendable append(final char c) throws IOException {
return this;
}
@Override
public Appendable append(final CharSequence csq) throws IOException {
return this;
}
@Override
public Appendable append(final CharSequence csq, final int start, final int end) throws IOException {
return this;
}
}