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Commons IO example source code file (NullWriter.java)
The Commons IO NullWriter.java source code/* * 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.Writer; /** * This {@link Writer} writes all data to the famous <b>/dev/null. * <p> * This <code>Writer has no destination (file/socket etc.) and all * characters written to it are ignored and lost. * * @version $Id: NullWriter.java 1003647 2010-10-01 20:53:59Z niallp $ */ public class NullWriter extends Writer { /** * A singleton. */ public static final NullWriter NULL_WRITER = new NullWriter(); /** * Constructs a new NullWriter. */ public NullWriter() { } /** * Does nothing - output to <code>/dev/null. * @param c The character to write * @return this writer * @since Commons IO 2.0 */ @Override public Writer append(char c) { //to /dev/null return this; } /** * Does nothing - output to <code>/dev/null. * @param csq The character sequence to write * @param start The index of the first character to write * @param end The index of the first character to write (exclusive) * @return this writer * @since Commons IO 2.0 */ @Override public Writer append(CharSequence csq, int start, int end) { //to /dev/null return this; } /** * Does nothing - output to <code>/dev/null. * @param csq The character sequence to write * @return this writer * @since Commons IO 2.0 */ @Override public Writer append(CharSequence csq) { //to /dev/null return this; } /** * Does nothing - output to <code>/dev/null. * @param idx The character to write */ @Override public void write(int idx) { //to /dev/null } /** * Does nothing - output to <code>/dev/null. * @param chr The characters to write */ @Override public void write(char[] chr) { //to /dev/null } /** * Does nothing - output to <code>/dev/null. * @param chr The characters to write * @param st The start offset * @param end The number of characters to write */ @Override public void write(char[] chr, int st, int end) { //to /dev/null } /** * Does nothing - output to <code>/dev/null. * @param str The string to write */ @Override public void write(String str) { //to /dev/null } /** * Does nothing - output to <code>/dev/null. * @param str The string to write * @param st The start offset * @param end The number of characters to write */ @Override public void write(String str, int st, int end) { //to /dev/null } /** @see java.io.Writer#flush() */ @Override public void flush() { //to /dev/null } /** @see java.io.Writer#close() */ @Override public void close() { //to /dev/null } } Other Commons IO examples (source code examples)Here is a short list of links related to this Commons IO NullWriter.java source code file: |
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