com.liferay.petra.io.delta

Class DeltaUtil

java.lang.Object

com.liferay.petra.io.delta.DeltaUtil

public class DeltaUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUFFER_FACTOR
static byte	DATA_KEY
static byte	EOF_KEY
static byte	PROTOCOL_VERSION
static byte	REFERENCE_KEY
static byte	REFERENCE_RANGE_KEY

Constructor Summary

Constructors

Constructor and Description
DeltaUtil()

Method Summary

Modifier and Type	Method and Description
static void	checksums(java.nio.channels.FileChannel originalFileChannel, ByteChannelWriter checksumsByteChannelWriter)
static void	checksums(java.nio.channels.FileChannel originalFileChannel, ByteChannelWriter checksumsByteChannelWriter, int blockLength)
static void	delta(java.nio.channels.ReadableByteChannel modifiedReadableByteChannel, ByteChannelReader checksumsByteChannelReader, ByteChannelWriter deltaByteChannelWriter)
static void	patch(java.nio.channels.FileChannel originalFileChannel, java.nio.channels.WritableByteChannel patchedWritableByteChannel, ByteChannelReader deltaByteChannelReader)

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_FACTOR

public static final int BUFFER_FACTOR

See Also:

Constant Field Values

DATA_KEY

public static final byte DATA_KEY

See Also:

Constant Field Values

EOF_KEY

public static final byte EOF_KEY

See Also:

Constant Field Values

PROTOCOL_VERSION

public static final byte PROTOCOL_VERSION

See Also:

Constant Field Values

REFERENCE_KEY

public static final byte REFERENCE_KEY

See Also:

Constant Field Values

REFERENCE_RANGE_KEY

public static final byte REFERENCE_RANGE_KEY

See Also:

Constant Field Values

Constructor Detail

DeltaUtil

public DeltaUtil()

Method Detail

checksums

public static void checksums(java.nio.channels.FileChannel originalFileChannel,
                             ByteChannelWriter checksumsByteChannelWriter)
                      throws java.io.IOException

Throws:

java.io.IOException

checksums

public static void checksums(java.nio.channels.FileChannel originalFileChannel,
                             ByteChannelWriter checksumsByteChannelWriter,
                             int blockLength)
                      throws java.io.IOException

Throws:

java.io.IOException

delta

public static void delta(java.nio.channels.ReadableByteChannel modifiedReadableByteChannel,
                         ByteChannelReader checksumsByteChannelReader,
                         ByteChannelWriter deltaByteChannelWriter)
                  throws java.io.IOException

Throws:

java.io.IOException

patch

public static void patch(java.nio.channels.FileChannel originalFileChannel,
                         java.nio.channels.WritableByteChannel patchedWritableByteChannel,
                         ByteChannelReader deltaByteChannelReader)
                  throws java.io.IOException

Throws:

java.io.IOException