/*
* The MIT License (MIT)
*
* Copyright (C) 2013 Aaron Weiss
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package provider.pkgnx.util;
import net.jpountz.lz4.LZ4Decompressor;
import net.jpountz.lz4.LZ4Factory;
/**
* A simple wrapper for handling LZ4 decompression of byte arrays.
*
* @author Aaron Weiss
* @version 1.0.0
* @since 5/27/13
*/
public class Decompressor {
private static final LZ4Decompressor decompressor = LZ4Factory.fastestInstance().decompressor();
/**
* Decompresses the supplied {@code input} to the desired {@code length}.
*
* @param input the data to decompress as an array of bytes
* @param length the decompressed length of the data (or the length to decompress)
* @return the data to decompress
*/
public static byte[] decompress(byte[] input, int length) {
byte[] ret = new byte[length];
decompressor.decompress(input, 0, ret, 0, length);
return ret;
}
}