ariba.util.core
Class GZipUtil

java.lang.Object
  ariba.util.core.GZipUtil

public abstract class GZipUtil
extends java.lang.Object

Utility class to perform gzip on strings, byte arrays, etc.

Constructor Summary

GZipUtil()

Method Summary

static byte[]	compress(byte[] value) Compresses the byte array given using GZIP.
static byte[]	compress(java.lang.String value) Compresses the string value into an array of bytes.
static byte[]	decompress(byte[] bytes) Decompresses an array of bytes.
static java.io.InputStream	getInputStream(byte[] data) Returns input stream to decompress the data as read.

Methods inherited from class java.lang.Object

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

Constructor Detail

GZipUtil

public GZipUtil()

Method Detail

compress

public static byte[] compress(java.lang.String value)
                       throws java.lang.RuntimeException

Compresses the string value into an array of bytes.

Parameters:

value - - the string value to compress

Returns:

byte[] - the array of bytes containing the compressed value.

Throws:

java.lang.RuntimeException - - if there is a decompression issue (rare).

compress

public static byte[] compress(byte[] value)
                       throws java.lang.RuntimeException

Compresses the byte array given using GZIP.

Parameters:

value - - the uncompressed data

Returns:

the compressed bytes. if the input is null or zero length, the input is returned.

Throws:

java.lang.RuntimeException - - if there is a problem.

decompress

public static byte[] decompress(byte[] bytes)
                         throws java.lang.RuntimeException

Decompresses an array of bytes.

Parameters:

bytes - - the compressed bytes to decompress.

Returns:

byte[] - the array of bytes containing the decompressed value.

Throws:

java.lang.RuntimeException - - if there is a decompression issue (rare).

getInputStream

public static java.io.InputStream getInputStream(byte[] data)
                                          throws java.io.IOException

Returns input stream to decompress the data as read.

Parameters:

data - the compressed bytes

Returns:

InputStream, never null.

Throws:

java.io.IOException