org.apache.nutch.util
Class DeflateUtils

java.lang.Object
  org.apache.nutch.util.DeflateUtils

public class DeflateUtils
extends Object

A collection of utility methods for working on deflated data.

Constructor Summary

DeflateUtils()

Method Summary

static byte[]	deflate(byte[] in) Returns a deflated copy of the input array.
static byte[]	inflate(byte[] in) Returns an inflated copy of the input array.
static byte[]	inflateBestEffort(byte[] in) Returns an inflated copy of the input array.
static byte[]	inflateBestEffort(byte[] in, int sizeLimit) Returns an inflated copy of the input array, truncated to sizeLimit bytes, if necessary.

Methods inherited from class java.lang.Object

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

Constructor Detail

DeflateUtils

public DeflateUtils()

Method Detail

inflateBestEffort

public static final byte[] inflateBestEffort(byte[] in)

Returns an inflated copy of the input array. If the deflated input has been truncated or corrupted, a best-effort attempt is made to inflate as much as possible. If no data can be extracted null is returned.

inflateBestEffort

public static final byte[] inflateBestEffort(byte[] in,
                                             int sizeLimit)

Returns an inflated copy of the input array, truncated to sizeLimit bytes, if necessary. If the deflated input has been truncated or corrupted, a best-effort attempt is made to inflate as much as possible. If no data can be extracted null is returned.

inflate

public static final byte[] inflate(byte[] in)
                            throws IOException

Returns an inflated copy of the input array.

Throws:

IOException - if the input cannot be properly decompressed

deflate

public static final byte[] deflate(byte[] in)

Returns a deflated copy of the input array.