    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 */
    018
    019package org.apache.commons.compress.utils;
    020
    021/**
    022 * This interface provides statistics on the current decompression stream.
    023 * The stream consumer can use that statistics to handle abnormal
    024 * compression ratios, i.e. to prevent zip bombs.
    025 *
    026 * @since 1.17
    027 */
    028public interface InputStreamStatistics {
    029    /**
    030     * @return the amount of raw or compressed bytes read by the stream
    031     */
    032    long getCompressedCount();
    033
    034    /**
    035     * @return the amount of decompressed bytes returned by the stream
    036     */
    037    long getUncompressedCount();
    038}