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ratel api,used for developer on ratel system,an extension for xposed framewrok,ratel api compatable with original xposed framework

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/*
 * 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 external.org.apache.commons.io.output;

import java.io.Writer;

/**
 * This {@link Writer} writes all data to the famous /dev/null.
 * 

* This Writer has no destination (file/socket etc.) and all * characters written to it are ignored and lost. * */ 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 /dev/null. * @param c The character to write * @return this writer * @since 2.0 */ @Override public Writer append(final char c) { //to /dev/null return this; } /** * Does nothing - output to /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 2.0 */ @Override public Writer append(final CharSequence csq, final int start, final int end) { //to /dev/null return this; } /** * Does nothing - output to /dev/null. * @param csq The character sequence to write * @return this writer * @since 2.0 */ @Override public Writer append(final CharSequence csq) { //to /dev/null return this; } /** * Does nothing - output to /dev/null. * @param idx The character to write */ @Override public void write(final int idx) { //to /dev/null } /** * Does nothing - output to /dev/null. * @param chr The characters to write */ @Override public void write(final char[] chr) { //to /dev/null } /** * Does nothing - output to /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(final char[] chr, final int st, final int end) { //to /dev/null } /** * Does nothing - output to /dev/null. * @param str The string to write */ @Override public void write(final String str) { //to /dev/null } /** * Does nothing - output to /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(final String str, final int st, final 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 } }





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