1/* 2 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26/** 27 * Provides classes for reading and writing the standard ZIP and GZIP file 28 * formats. Also includes classes for compressing and decompressing data using 29 * the DEFLATE compression algorithm, which is used by the ZIP and GZIP file 30 * formats. Additionally, there are utility classes for computing the CRC-32, 31 * CRC-32C and Adler-32 checksums of arbitrary input streams. 32 * 33 * <h2>Package Specification</h2> 34 * 35 * <ul> 36 * <li><a href="http://www.info-zip.org/doc/appnote-19970311-iz.zip"> 37 * Info-ZIP Application Note 970311</a> - a detailed description of 38 * the Info-ZIP format upon which the {@code java.util.zip} classes 39 * are based. 40 * <li><a id="zip64">An implementation may optionally support the 41 * ZIP64(tm) format extensions defined by the</a> 42 * <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT"> 43 * PKWARE ZIP File Format Specification</a>. The ZIP64(tm) format 44 * extensions are used to overcome the size limitations of the 45 * original ZIP format. 46 * <li><a id="lang_encoding">APPENDIX D of</a> 47 * <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT"> 48 * PKWARE ZIP File Format Specification</a> - Language Encoding Flag 49 * (EFS) to encode ZIP entry filename and comment fields using UTF-8. 50 * <li><a href="http://www.ietf.org/rfc/rfc1950.txt"> 51 * ZLIB Compressed Data Format Specification version 3.3</a> 52 * 53 * <a href="http://www.ietf.org/rfc/rfc1950.txt.pdf">(pdf)</a> 54 * (RFC 1950) 55 * <li><a href="http://www.ietf.org/rfc/rfc1951.txt"> 56 * DEFLATE Compressed Data Format Specification version 1.3</a> 57 * 58 * <a href="http://www.ietf.org/rfc/rfc1951.txt.pdf">(pdf)</a> 59 * (RFC 1951) 60 * <li><a href="http://www.ietf.org/rfc/rfc1952.txt"> 61 * GZIP file format specification version 4.3</a> 62 * 63 * <a href="http://www.ietf.org/rfc/rfc1952.txt.pdf">(pdf)</a> 64 * (RFC 1952) 65 * <li>CRC-32 checksum is described in RFC 1952 (above) 66 * <li>CRC-32C checksum is described in 67 * <a href="http://www.ietf.org/rfc/rfc3720.txt">Internet Small 68 * Computer Systems Interface (iSCSI)</a> 69 * 70 * <a href="http://www.ietf.org/rfc/rfc3720.txt.pdf">(pdf)</a> 71 * (RFC 3720) 72 * <li>Adler-32 checksum is described in RFC 1950 (above) 73 * </ul> 74 * 75 * @since 1.1 76 */ 77package java.util.zip; 78