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 java.lang.Object
implements BinaryScrambler

A BinaryScrambler that does an XOR with the given pattern.

Constructor Summary

XORBinaryManager.XORBinaryScrambler(byte[] pattern)

Method Summary

Binary	getUnscrambledBinary(java.io.File file, java.lang.String digest, java.lang.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(java.io.File file,
                                   java.lang.String digest,
                                   java.lang.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