com.github.cbuschka.zipdiff.index

Class ChecksumCalculator

java.lang.Object

com.github.cbuschka.zipdiff.index.ChecksumCalculator

public class ChecksumCalculator
extends Object

Constructor Summary

Constructors

Constructor and Description
ChecksumCalculator()

Method Summary

Modifier and Type	Method and Description
BigInteger	calcChecksum(byte[] data)
BigInteger	calcChecksum(InputStream in)
long	calcCrc(byte[] data)
MessageDigest	newChecksumMessageDigest()

Methods inherited from class java.lang.Object

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

Constructor Detail

ChecksumCalculator

public ChecksumCalculator()

Method Detail

calcChecksum

public BigInteger calcChecksum(InputStream in)
                        throws IOException

Throws:

IOException

calcChecksum

public BigInteger calcChecksum(byte[] data)

newChecksumMessageDigest

public MessageDigest newChecksumMessageDigest()

calcCrc

public long calcCrc(byte[] data)