org.apache.commons.imaging.common

Class ZlibDeflate

java.lang.Object

org.apache.commons.imaging.common.ZlibDeflate

public class ZlibDeflate
extends Object

Utility class to compress/decompress bytes using the ZLIB deflate/inflate compression.

RFC 1951 - DEFLATE Compressed Data Format Specification version 1.3

Constructor Summary

Constructors

Constructor and Description
ZlibDeflate()

Method Summary

Modifier and Type	Method and Description
static byte[]	compress(byte[] bytes) Compress the byte[] using ZLIB deflate compression.
static byte[]	decompress(byte[] bytes, int expectedSize) Compress the byte[] using ZLIB deflate decompression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZlibDeflate

public ZlibDeflate()

Method Detail

decompress

public static byte[] decompress(byte[] bytes,
                                int expectedSize)
                         throws ImageReadException

Compress the byte[] using ZLIB deflate decompression.

Parameters:

bytes - The bytes to decompress

expectedSize - The expected size of the decompressed byte[].

Returns:

The decompressed bytes.

Throws:

ImageReadException - if the bytes could not be decompressed.

See Also:

Inflater

compress

public static byte[] compress(byte[] bytes)
                       throws ImageWriteException

Compress the byte[] using ZLIB deflate compression.

Parameters:

bytes - The bytes to compress

Returns:

The compressed bytes.

Throws:

ImageWriteException - if the bytes could not be compressed.

See Also:

DeflaterOutputStream