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Compression codec for LZF encoding for particularly encoding/decoding, with reasonable compression. Compressor is basic Lempel-Ziv codec, without Huffman (deflate/gzip) or statistical post-encoding. See "http://oldhome.schmorp.de/marc/liblzf.html" for more on original LZF package.

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package com.ning.compress;

import java.io.IOException;

/**
 * Abstract class that defines "push" style API for various uncompressors
 * (aka decompressors or decoders). Implementations are alternatives to stream
 * based uncompressors (such as {@link com.ning.compress.lzf.LZFInputStream})
 * in cases where "push" operation is important and/or blocking is not allowed;
 * for example, when handling asynchronous HTTP responses.
 *

* Note that API does not define the way that listener is attached: this is * typically passed through to constructor of the implementation. * * @author Tatu Saloranta ([email protected]) */ public abstract class Uncompressor { /** * Method called to feed more compressed data to be uncompressed, and * sent to possible listeners. *

* NOTE: return value was added (from void to boolean) in 0.9.9 * * @return True, if caller should process and feed more data; false if * caller is not interested in more data and processing should be terminated. * (and {@link #complete} should be called immediately) */ public abstract boolean feedCompressedData(byte[] comp, int offset, int len) throws IOException; /** * Method called to indicate that all data to uncompress has already been fed. * This typically results in last block of data being uncompressed, and results * being sent to listener(s); but may also throw an exception if incomplete * block was passed. */ public abstract void complete() throws IOException; }





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