org.jruby.util

Class Adler32Ext

java.lang.Object

org.jruby.util.Adler32Ext

All Implemented Interfaces:

Checksum

public class Adler32Ext
extends Object
implements Checksum

This class is a wrapper around Adler32 which provides the capability to update the running total. This functionality is provided by quite risky reflection and should be fixed in a better way later on.

Constructor Summary

Constructors

Constructor and Description
Adler32Ext() Creates the basic object with default initial adler.
Adler32Ext(int adler) Creates the basic object with the adler provided.

Method Summary

Methods

Modifier and Type	Method and Description
long	getValue()
void	reset()
void	setAdler(int adler) Sets the adler running total to the specified value.
void	update(byte[] b)
void	update(byte[] b, int off, int len)
void	update(int b)

Methods inherited from class java.lang.Object

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

Constructor Detail

Adler32Ext

public Adler32Ext()

Creates the basic object with default initial adler.

Adler32Ext

public Adler32Ext(int adler)

Creates the basic object with the adler provided.

Parameters:

adler - the number to use as starting point for the Adler-32 algorithm

Method Detail

setAdler

public void setAdler(int adler)

Sets the adler running total to the specified value.

Parameters:

adler - the number to use as current value for the Adler-32 algorithm

update

public void update(int b)

Specified by:

update in interface Checksum

See Also:

Checksum.update(int)

update

public void update(byte[] b,
          int off,
          int len)

Specified by:

update in interface Checksum

See Also:

Checksum.update(int)

update

public void update(byte[] b)

See Also:

Checksum.update(int)

reset

public void reset()

Specified by:

reset in interface Checksum

See Also:

Checksum.reset()

getValue

public long getValue()

Specified by:

getValue in interface Checksum

See Also:

Checksum.getValue()