com.amazon.carbonado.raw
Class GzipCompressor

java.lang.Object
  com.amazon.carbonado.raw.GzipCompressor

public class GzipCompressor
extends Object

Raw-level data compression using gzip.

Author:

Olga Kuznetsova, Brian S O'Neill

Constructor Summary

GzipCompressor()

Method Summary

static byte[]	compress(byte[] value, int prefix) Encodes into compressed form.
static byte[]	decompress(byte[] value, int prefix) Decodes from compressed form.

Methods inherited from class java.lang.Object

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

Constructor Detail

GzipCompressor

public GzipCompressor()

Method Detail

compress

public static byte[] compress(byte[] value,
                              int prefix)
                       throws SupportException

Encodes into compressed form.

Parameters:

value - value to compress

prefix - prefix of byte array to preserve

Returns:

compressed value

Throws:

SupportException - thrown if compression failed

decompress

public static byte[] decompress(byte[] value,
                                int prefix)
                         throws CorruptEncodingException

Decodes from compressed form.

Parameters:

value - value to decompress

prefix - prefix of byte array to preserve

Returns:

decompressed value

Throws:

CorruptEncodingException - thrown if value cannot be decompressed