CRC32VerifyingInputStream.java

  1. /*
  2.  *  Licensed to the Apache Software Foundation (ASF) under one or more
  3.  *  contributor license agreements.  See the NOTICE file distributed with
  4.  *  this work for additional information regarding copyright ownership.
  5.  *  The ASF licenses this file to You under the Apache License, Version 2.0
  6.  *  (the "License"); you may not use this file except in compliance with
  7.  *  the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  *  Unless required by applicable law or agreed to in writing, software
  12.  *  distributed under the License is distributed on an "AS IS" BASIS,
  13.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  *  See the License for the specific language governing permissions and
  15.  *  limitations under the License.
  16.  */
  17. package org.apache.commons.compress.utils;

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

  20. /**
  21.  * A stream that verifies the CRC of the data read once the stream is exhausted.
  22.  *
  23.  * @NotThreadSafe
  24.  * @since 1.6
  25.  * @deprecated Use {@link org.apache.commons.io.input.ChecksumInputStream}.
  26.  */
  27. @Deprecated
  28. public class CRC32VerifyingInputStream extends ChecksumVerifyingInputStream {
  29.     /**
  30.      * Constructs a new instance.
  31.      *
  32.      * @param in            the stream to wrap
  33.      * @param size          the of the stream's content
  34.      * @param expectedCrc32 the expected checksum
  35.      * @deprecated No longer used.
  36.      */
  37.     @Deprecated
  38.     public CRC32VerifyingInputStream(final InputStream in, final long size, final int expectedCrc32) {
  39.         this(in, size, expectedCrc32 & 0xFFFFffffL);
  40.     }

  41.     /**
  42.      * Constructs a new instance.
  43.      *
  44.      * @param in            the stream to wrap
  45.      * @param size          the of the stream's content
  46.      * @param expectedCrc32 the expected checksum
  47.      * @since 1.7
  48.      */
  49.     public CRC32VerifyingInputStream(final InputStream in, final long size, final long expectedCrc32) {
  50.         super(new CRC32(), in, size, expectedCrc32);
  51.     }

  52. }