org.nuxeo.ecm.core.storage.sql

Class XORBinaryManager.XORBinaryScrambler

java.lang.Object

org.nuxeo.ecm.core.storage.sql.XORBinaryManager.XORBinaryScrambler

All Implemented Interfaces:

BinaryScrambler

Enclosing class:

XORBinaryManager

public static class XORBinaryManager.XORBinaryScrambler
extends Object
implements BinaryScrambler

A BinaryScrambler that does an XOR with the given pattern.

Constructor Summary

Constructors

Constructor and Description
XORBinaryManager.XORBinaryScrambler(byte[] pattern)

Method Summary

Methods

Modifier and Type	Method and Description
Binary	getUnscrambledBinary(File file, String digest, String repoName) Gets an unscrambled Binary for the given file.
void	reset() Reset scrambling from start.
void	scrambleBuffer(byte[] buf, int off, int n) Scramble a buffer at the given offset for n bytes.
void	skip(long n) Skips n bytes during unscrambling.
void	unscrambleBuffer(byte[] buf, int off, int n) Unscramble a buffer at the given offset for n bytes.

Methods inherited from class java.lang.Object

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

Constructor Detail

XORBinaryManager.XORBinaryScrambler

public XORBinaryManager.XORBinaryScrambler(byte[] pattern)

Method Detail

scrambleBuffer

public void scrambleBuffer(byte[] buf,
                  int off,
                  int n)

Description copied from interface: BinaryScrambler

Scramble a buffer at the given offset for n bytes.

Specified by:

scrambleBuffer in interface BinaryScrambler

unscrambleBuffer

public void unscrambleBuffer(byte[] buf,
                    int off,
                    int n)

Description copied from interface: BinaryScrambler

Unscramble a buffer at the given offset for n bytes.

Specified by:

unscrambleBuffer in interface BinaryScrambler

getUnscrambledBinary

public Binary getUnscrambledBinary(File file,
                          String digest,
                          String repoName)

Description copied from interface: BinaryScrambler

Gets an unscrambled Binary for the given file.

Specified by:

getUnscrambledBinary in interface BinaryScrambler

skip

public void skip(long n)

Description copied from interface: BinaryScrambler

Skips n bytes during unscrambling.

Specified by:

skip in interface BinaryScrambler

reset

public void reset()

Description copied from interface: BinaryScrambler

Reset scrambling from start.

Specified by:

reset in interface BinaryScrambler