Package com.emc.object.util

Class RunningChecksum

java.lang.Object

com.emc.object.util.ChecksumValue

com.emc.object.util.RunningChecksum

public class RunningChecksum
extends ChecksumValue

Used to store, update and compute checksums

Constructor Summary

Constructors

Constructor	Description
RunningChecksum(ChecksumAlgorithm algorithm)

Method Summary

Modifier and Type	Method	Description
ChecksumAlgorithm	getAlgorithm()
byte[]	getByteValue()
java.lang.String	getHexValue()
long	getOffset()
void	update(byte[] buffer, int offset, int length)	Updates the checksum with the given buffer's contents

Methods inherited from class com.emc.object.util.ChecksumValue

equals, getValue, hashCode, toString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RunningChecksum

public RunningChecksum(ChecksumAlgorithm algorithm)
                throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

Method Detail

update

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

Updates the checksum with the given buffer's contents

Parameters:

buffer - data to update

offset - start in buffer

length - number of bytes to use from buffer starting at offset

getAlgorithm

public ChecksumAlgorithm getAlgorithm()

Specified by:

getAlgorithm in class ChecksumValue

getOffset

public long getOffset()

Specified by:

getOffset in class ChecksumValue

getByteValue

public byte[] getByteValue()

Specified by:

getByteValue in class ChecksumValue

getHexValue

public java.lang.String getHexValue()

Specified by:

getHexValue in class ChecksumValue