java.util.zip
Class CRC32
java.lang.Object
|
+--java.util.zip.CRC32
All Implemented Interfaces:
Checksum
Computes CRC32 data checksum of a data stream.
The actual CRC32 algorithm is described in RFC 1952
(GZIP file format specification version 4.3).
Can be used to get the CRC32 over a stream if used with checked input/output
streams.
Author:See Also:
getValue
public long getValue()
Returns the CRC32 data checksum computed so far.
reset
public void reset()
Resets the CRC32 data checksum as if no update was ever called.
update
public void update(byte[] buf)
Adds the complete byte array to the data checksum.
Parameters:
update
public void update(byte[] buf, int off, int len)
Adds the byte array to the data checksum.
Parameters:
update
public void update(int bval)
Updates the checksum with the int bval.
Parameters: