org.rdfhdt.hdt.util.crc

Interface CRC

All Superinterfaces:

Comparable<CRC>

All Known Implementing Classes:

CRC16, CRC32, CRC8

public interface CRC
extends Comparable<CRC>

Method Summary

Modifier and Type	Method and Description
long	getValue() Get checksum value.
boolean	readAndCheck(InputStream in) Read CRC from InputStream and compare it to this.
void	reset() Reset the checksum to the initial value.
void	update(byte data) Update the CRC with the specified byte
void	update(byte[] buffer, int offset, int length) Update this CRC with the content of the buffer, from offset, using length bytes.
void	writeCRC(OutputStream out) Write this CRC to an Output Stream

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

update

void update(byte[] buffer,
            int offset,
            int length)

Update this CRC with the content of the buffer, from offset, using length bytes.

update

void update(byte data)

Update the CRC with the specified byte

writeCRC

void writeCRC(OutputStream out)
       throws IOException

Write this CRC to an Output Stream

Throws:

IOException

readAndCheck

boolean readAndCheck(InputStream in)
              throws IOException

Read CRC from InputStream and compare it to this.

Parameters:

in - InputStream

Returns:

true if the checksum is the same, false if checksum error.

Throws:

IOException

getValue

long getValue()

Get checksum value.

Returns:

reset

void reset()

Reset the checksum to the initial value.