    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 */
    017package org.apache.commons.compress.utils;
    018
    019import java.io.InputStream;
    020import java.util.zip.CRC32;
    021
    022/**
    023 * A stream that verifies the CRC of the data read once the stream is exhausted.
    024 *
    025 * @NotThreadSafe
    026 * @since 1.6
    027 */
    028public class CRC32VerifyingInputStream extends ChecksumVerifyingInputStream {
    029    // TODO Use Commons IO 2.16.0 ChecksumInputStream
    030
    031    /**
    032     * Constructs a new instance.
    033     *
    034     * @param in            the stream to wrap
    035     * @param size          the of the stream's content
    036     * @param expectedCrc32 the expected checksum
    037     * @deprecated No longer used.
    038     */
    039    @Deprecated
    040    public CRC32VerifyingInputStream(final InputStream in, final long size, final int expectedCrc32) {
    041        this(in, size, expectedCrc32 & 0xFFFFffffL);
    042    }
    043
    044    /**
    045     * Constructs a new instance.
    046     *
    047     * @param in            the stream to wrap
    048     * @param size          the of the stream's content
    049     * @param expectedCrc32 the expected checksum
    050     * @since 1.7
    051     */
    052    public CRC32VerifyingInputStream(final InputStream in, final long size, final long expectedCrc32) {
    053        super(new CRC32(), in, size, expectedCrc32);
    054    }
    055
    056}