1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.io.output; 18 19 import java.io.Writer; 20 21 /** 22 * This {@link Writer} writes all data to the famous <b>/dev/null</b>. 23 * <p> 24 * This <code>Writer</code> has no destination (file/socket etc.) and all 25 * characters written to it are ignored and lost. 26 * 27 * @version $Id: NullWriter.java 462832 2006-10-11 15:48:09Z scolebourne $ 28 */ 29 public class NullWriter extends Writer { 30 31 /** 32 * Constructs a new NullWriter. 33 */ 34 public NullWriter() { 35 } 36 37 /** @see java.io.Writer#write(int) */ 38 public void write(int idx) { 39 //to /dev/null 40 } 41 42 /** @see java.io.Writer#write(char[]) */ 43 public void write(char[] chr) { 44 //to /dev/null 45 } 46 47 /** @see java.io.Writer#write(char[], int, int) */ 48 public void write(char[] chr, int st, int end) { 49 //to /dev/null 50 } 51 52 /** @see java.io.Writer#write(String) */ 53 public void write(String str) { 54 //to /dev/null 55 } 56 57 /** @see java.io.Writer#write(String, int, int) */ 58 public void write(String str, int st, int end) { 59 //to /dev/null 60 } 61 62 /** @see java.io.Writer#flush() */ 63 public void flush() { 64 //to /dev/null 65 } 66 67 /** @see java.io.Writer#close() */ 68 public void close() { 69 //to /dev/null 70 } 71 72 }