All Implemented Interfaces:

Checksum

public class CRC32
extends Object
implements Checksum 

See Also:

Checksum

• Constructor Summary

  Constructors

  Constructor and Description
  CRC32 () Creates a new CRC32 object.

• Method Summary

  Methods

  Modifier and Type	Method and Description
  long	getValue () Returns CRC-32 value.
  void	reset () Resets CRC-32 to initial value.
  void	update (byte[] b) Updates the CRC-32 checksum with the specified array of bytes.
  void	update (byte[] b, int off, int len) Updates the CRC-32 checksum with the specified array of bytes.
  void	update (int b) Updates the CRC-32 checksum with the specified byte (the low eight bits of the argument b).

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Constructor Detail

  • CRC32

    public CRC32()

    Creates a new CRC32 object.

• Method Detail

  • update

    public void update(int b)

    Updates the CRC-32 checksum with the specified byte (the low eight bits of the argument b).

    Specified by:

    update in interface Checksum

    Parameters:

    b - the byte to update the checksum with

  • update

    public void update(byte[] b,
     int off,
     int len)

    Updates the CRC-32 checksum with the specified array of bytes.

    Specified by:

    update in interface Checksum

    Parameters:

    b - the byte array to update the checksum with

    off - the start offset of the data

    len - the number of bytes to use for the update

  • update

    public void update(byte[] b)

    Updates the CRC-32 checksum with the specified array of bytes.

    Parameters:

    b - the array of bytes to update the checksum with

  • reset

    public void reset()

    Resets CRC-32 to initial value.

    Specified by:

    reset in interface Checksum

  • getValue

    public long getValue()

    Returns CRC-32 value.

    Specified by:

    getValue in interface Checksum

    Returns:

    the current checksum value