net.sourceforge.groboutils.codecoverage.v2.util
Class ChecksumUtil

java.lang.Object
  net.sourceforge.groboutils.codecoverage.v2.util.ChecksumUtil

public class ChecksumUtil

extends java.lang.Object

A "universal" method to extract a checksum from the various kinds of data the codecoverage package needs.

This is made such that the equivalent types between the BCEL library and JDI library return the same CRC.

Version:

Feb 3, 2002

Author:

Matt Albrecht groboclown@users.sourceforge.net

Field Summary

protected static ChecksumUtil	s_instance
protected java.util.Comparator	StringCollator

Constructor Summary

protected

ChecksumUtil() Creates a new finder using the default (system) classpath.

Method Summary

long	checksum(byte[] buff)
protected java.util.zip.Checksum	createChecksum()
static ChecksumUtil	getInstance()
protected void	update(java.util.zip.Checksum crc, byte[] buff)

Methods inherited from class java.lang.Object

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

Field Detail

s_instance

protected static ChecksumUtil s_instance

StringCollator

protected final java.util.Comparator StringCollator

Constructor Detail

ChecksumUtil

protected ChecksumUtil()

Creates a new finder using the default (system) classpath.

Method Detail

getInstance

public static ChecksumUtil getInstance()

checksum

public long checksum(byte[] buff)

createChecksum

protected java.util.zip.Checksum createChecksum()

update

protected void update(java.util.zip.Checksum crc,
                      byte[] buff)