001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * https://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020package org.apache.commons.compress.utils; 021 022import java.io.FilterOutputStream; 023import java.io.IOException; 024import java.io.OutputStream; 025 026/** 027 * Re-implements {@link FilterOutputStream#flush()} to do nothing. 028 */ 029public class FlushShieldFilterOutputStream extends FilterOutputStream { 030 031 /** 032 * Creates a {@code FlushShieldFilterOutputStream} filter built on top of the specified underlying output stream. 033 * 034 * @param out the underlying output stream to be assigned to the field {@code this.out} for later use, or {@code null} if this instance is to be created 035 * without an underlying stream. 036 */ 037 public FlushShieldFilterOutputStream(final OutputStream out) { 038 super(out); 039 } 040 041 @Override 042 public void flush() throws IOException { 043 // NO IMPLEMENTATION. 044 } 045 046}