001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.compress.utils; 019 020/** 021 * This interface provides statistics on the current decompression stream. 022 * The stream consumer can use that statistics to handle abnormal 023 * compression ratios, i.e. to prevent ZIP bombs. 024 * 025 * @since 1.17 026 */ 027public interface InputStreamStatistics { 028 029 /** 030 * Gets the amount of raw or compressed bytes read by the stream. 031 * 032 * @return the amount of raw or compressed bytes read by the stream. 033 */ 034 long getCompressedCount(); 035 036 /** 037 * Gets the amount of decompressed bytes returned by the stream. 038 * 039 * @return the amount of decompressed bytes returned by the stream. 040 */ 041 long getUncompressedCount(); 042}