# Package org.apache.commons.compress.utils

package org.apache.commons.compress.utils
Provides utilities used internally by the compress library.

- Related Packages
  Package
  Description
  org.apache.commons.compress
  Apache Commons Compress.
  org.apache.commons.compress.archivers
  Provides a unified API and factories for dealing with archives in different formats.
  org.apache.commons.compress.changes
  EXPERIMENTAL support for changesets that are applied to archives.
  org.apache.commons.compress.compressors
  Provides a unified API and factories for dealing with compressed streams.
  org.apache.commons.compress.harmony
  Internal package.
  org.apache.commons.compress.parallel
  Provides common API classes for parallel compression features.
- Class
  Description
  ArchiveUtils
  Generic Archive utilities
  BitInputStream
  Reads bits from an InputStream.
  BoundedArchiveInputStream
  NIO backed bounded input stream for reading a predefined amount of data from.
  BoundedInputStream
  Deprecated.
  Use `BoundedInputStream`.
  BoundedSeekableByteChannelInputStream
  InputStream that delegates requests to the underlying SeekableByteChannel, making sure that only bytes from a certain range can be read.
  ByteUtils
  Utility methods for reading and writing bytes.
  ByteUtils.ByteConsumer
  Used to consume bytes.
  ByteUtils.ByteSupplier
  Used to supply bytes.
  ByteUtils.InputStreamByteSupplier
  Deprecated.
  Unused
  ByteUtils.OutputStreamByteConsumer
  `ByteUtils.ByteConsumer` based on `OutputStream`.
  CharsetNames
  Deprecated.
  Use `StandardCharsets`.
  Charsets
  Deprecated.
  Use `Charsets`.
  ChecksumCalculatingInputStream
  Deprecated.
  Use `CheckedInputStream`.
  ChecksumVerifyingInputStream
  Deprecated.
  Use `ChecksumInputStream`.
  CloseShieldFilterInputStream
  Deprecated.
  Use `CloseShieldInputStream`.
  CountingInputStream
  Deprecated.
  Use `CountingInputStream`.
  CountingOutputStream
  Deprecated.
  Use `CountingOutputStream`.
  CRC32VerifyingInputStream
  Deprecated.
  Use `ChecksumInputStream`.
  ExactMath
  PRIVATE.
  FileNameUtils
  Generic file name utilities.
  FixedLengthBlockOutputStream
  This class supports writing to an OutputStream or WritableByteChannel in fixed length blocks.
  FlushShieldFilterOutputStream
  Re-implements `FilterOutputStream.flush()` to do nothing.
  InputStreamStatistics
  This interface provides statistics on the current decompression stream.
  IOUtils
  Utility functions.
  Iterators
  Iterator utilities.
  Lists
  List utilities
  MultiReadOnlySeekableByteChannel
  Implements a read-only `SeekableByteChannel` that concatenates a collection of other `SeekableByteChannel`s.
  OsgiUtils
  Utilities for dealing with OSGi environments.
  ParsingUtils
  Utility methods for parsing data and converting it to other formats.
  SeekableInMemoryByteChannel
  A `SeekableByteChannel` implementation that wraps a byte[].
  ServiceLoaderIterator<E>
  Deprecated.
  No longer needed.
  Sets
  Set utilities
  SkipShieldingInputStream
  Deprecated.
  No longer used.
  TimeUtils
  Utility class for handling time-related types and conversions.