ome.codecs

Class LZ4Codec

java.lang.Object

ome.codecs.BaseCodec

ome.codecs.LZ4Codec

All Implemented Interfaces:

Codec

public class LZ4Codec
extends BaseCodec

This class implements LZ4 decompression.

Author:

Rolf Harkes r.harkes at nki.nl

Field Summary

Fields inherited from class ome.codecs.BaseCodec

LOGGER

Constructor Summary

Constructors

Constructor and Description
LZ4Codec()

Method Summary

Modifier and Type	Method and Description
byte[]	compress(byte[] data, CodecOptions options) Compresses a block of data.
byte[]	decompress(byte[] data) Decompresses a block of data.
byte[]	decompress(byte[] data, CodecOptions options) Decompresses a block of data.
byte[]	decompress(byte[] data, int inputOffset, int length, int outputLength) Decompresses a block of data of specified length from an initial offset.
byte[]	decompress(loci.common.RandomAccessInputStream in, CodecOptions options) Decompresses data from the given RandomAccessInputStream.

Methods inherited from class ome.codecs.BaseCodec

compress, compress, decompress, decompress, test

Methods inherited from class java.lang.Object

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

Constructor Detail

LZ4Codec

public LZ4Codec()

Method Detail

compress

public byte[] compress(byte[] data,
                       CodecOptions options)
                throws CodecException

Description copied from interface: Codec

Compresses a block of data.

Parameters:

data - The data to be compressed.

options - Options to be used during compression, if appropriate.

Returns:

The compressed data.

Throws:

CodecException - If input is not a compressed data block of the appropriate type.

decompress

public byte[] decompress(loci.common.RandomAccessInputStream in,
                         CodecOptions options)
                  throws CodecException,
                         IOException

Description copied from interface: Codec

Decompresses data from the given RandomAccessInputStream.

Specified by:

decompress in interface Codec

Specified by:

decompress in class BaseCodec

Parameters:

in - The stream from which to read compressed data.

options - Options to be used during decompression.

Returns:

The decompressed data.

Throws:

CodecException - If data is not valid compressed data for this decompressor.

IOException

decompress

public byte[] decompress(byte[] data)
                  throws CodecException

Description copied from interface: Codec

Decompresses a block of data.

Specified by:

decompress in interface Codec

Overrides:

decompress in class BaseCodec

Parameters:

data - the data to be decompressed.

Returns:

The decompressed data.

Throws:

CodecException - If data is not valid compressed data for this decompressor.

decompress

public byte[] decompress(byte[] data,
                         CodecOptions options)
                  throws CodecException

Description copied from interface: Codec

Decompresses a block of data.

Specified by:

decompress in interface Codec

Overrides:

decompress in class BaseCodec

Parameters:

data - the data to be decompressed

options - Options to be used during decompression.

Returns:

the decompressed data.

Throws:

CodecException - If data is not valid.

decompress

public byte[] decompress(byte[] data,
                         int inputOffset,
                         int length,
                         int outputLength)
                  throws CodecException

Decompresses a block of data of specified length from an initial offset.

Parameters:

data - The data to be decompressed.

inputOffset - The position of the input data at which to begin decompression.

length - The length of input data to be decompressed.

Returns:

The decompressed data.

Throws:

CodecException - If data is not valid.