93 lines
3.5 KiB
Java
93 lines
3.5 KiB
Java
/* -*-mode:java; c-basic-offset:2; -*- */
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/*
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Copyright (c) 2011 ymnk, JCraft,Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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3. The names of the authors may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
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INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This program is based on zlib-1.1.3, so all credit should go authors
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* Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu)
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* and contributors of zlib.
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*/
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package com.jcraft.jzlib;
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final public class JZlib{
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private static final String version="1.1.0";
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public static String version(){return version;}
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static final public int MAX_WBITS=15; // 32K LZ77 window
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static final public int DEF_WBITS=MAX_WBITS;
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public enum WrapperType {
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NONE, ZLIB, GZIP, ANY
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}
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public static final WrapperType W_NONE = WrapperType.NONE;
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public static final WrapperType W_ZLIB = WrapperType.ZLIB;
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public static final WrapperType W_GZIP = WrapperType.GZIP;
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public static final WrapperType W_ANY = WrapperType.ANY;
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// compression levels
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static final public int Z_NO_COMPRESSION=0;
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static final public int Z_BEST_SPEED=1;
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static final public int Z_BEST_COMPRESSION=9;
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static final public int Z_DEFAULT_COMPRESSION=(-1);
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// compression strategy
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static final public int Z_FILTERED=1;
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static final public int Z_HUFFMAN_ONLY=2;
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static final public int Z_DEFAULT_STRATEGY=0;
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static final public int Z_NO_FLUSH=0;
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static final public int Z_PARTIAL_FLUSH=1;
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static final public int Z_SYNC_FLUSH=2;
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static final public int Z_FULL_FLUSH=3;
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static final public int Z_FINISH=4;
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static final public int Z_OK=0;
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static final public int Z_STREAM_END=1;
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static final public int Z_NEED_DICT=2;
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static final public int Z_ERRNO=-1;
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static final public int Z_STREAM_ERROR=-2;
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static final public int Z_DATA_ERROR=-3;
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static final public int Z_MEM_ERROR=-4;
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static final public int Z_BUF_ERROR=-5;
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static final public int Z_VERSION_ERROR=-6;
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// The three kinds of block type
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static final public byte Z_BINARY = 0;
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static final public byte Z_ASCII = 1;
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static final public byte Z_UNKNOWN = 2;
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public static long adler32_combine(long adler1, long adler2, long len2){
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return Adler32.combine(adler1, adler2, len2);
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}
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public static long crc32_combine(long crc1, long crc2, long len2){
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return CRC32.combine(crc1, crc2, len2);
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}
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}
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