org.apache.commons.compress.utils.CRC32VerifyingInputStream Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of commons-compress Show documentation

Apache Commons Compress software defines an API for working with compression and archive formats. These include: bzip2, gzip, pack200, lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.

There is a newer version: 1.27.1

Show newest version

/*
 *  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 org.apache.commons.compress.utils;

import java.io.InputStream;
import java.util.zip.CRC32;

/**
 * A stream that verifies the CRC of the data read once the stream is exhausted.
 *
 * @NotThreadSafe
 * @since 1.6
 * @deprecated Use {@link org.apache.commons.io.input.ChecksumInputStream}.
 */
@Deprecated
public class CRC32VerifyingInputStream extends ChecksumVerifyingInputStream {
    /**
     * Constructs a new instance.
     *
     * @param in            the stream to wrap
     * @param size          the of the stream's content
     * @param expectedCrc32 the expected checksum
     * @deprecated No longer used.
     */
    @Deprecated
    public CRC32VerifyingInputStream(final InputStream in, final long size, final int expectedCrc32) {
        this(in, size, expectedCrc32 & 0xFFFFffffL);
    }

    /**
     * Constructs a new instance.
     *
     * @param in            the stream to wrap
     * @param size          the of the stream's content
     * @param expectedCrc32 the expected checksum
     * @since 1.7
     */
    public CRC32VerifyingInputStream(final InputStream in, final long size, final long expectedCrc32) {
        super(new CRC32(), in, size, expectedCrc32);
    }

}