1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> 2 <html> 3 <head> 4 <!-- 5 Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. 6 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7 8 This code is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License version 2 only, as 10 published by the Free Software Foundation. Oracle designates this 11 particular file as subject to the "Classpath" exception as provided 12 by Oracle in the LICENSE file that accompanied this code. 13 14 This code is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 version 2 for more details (a copy is included in the LICENSE file that 18 accompanied this code). 19 20 You should have received a copy of the GNU General Public License version 21 2 along with this work; if not, write to the Free Software Foundation, 22 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 23 24 Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 25 or visit www.oracle.com if you need additional information or have any 26 questions. 27 --> 28 29 </head> 30 <body bgcolor="white"> 31 32 Provides classes for reading and writing the standard ZIP and GZIP 33 file formats. Also includes classes for compressing and decompressing 34 data using the DEFLATE compression algorithm, which is used by the 35 ZIP and GZIP file formats. Additionally, there are utility classes 36 for computing the CRC-32 and Adler-32 checksums of arbitrary 37 input streams. 38 39 40 <h2>Package Specification</h2> 41 42 </a> 43 <ul> 44 <li><a href="http://www.info-zip.org/doc/appnote-19970311-iz.zip"> 45 Info-ZIP Application Note 970311 46 </a> - a detailed description of the Info-ZIP format upon which 47 the <code>java.util.zip</code> classes are based. 48 <p> 49 <a name="zip64"> 50 <li>An implementation may optionally support the ZIP64(tm) format extensions 51 defined by the 52 <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT"> 53 PKWARE ZIP File Format Specification</a>. The ZIP64(tm) format extensions 54 are used to overcome the size limitations of the original ZIP format. 55 <p> 56 <a name="lang_encoding"> 57 <li>APPENDIX D of <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT"> 58 PKWARE ZIP File Format Specification</a> - Language Encoding Flag (EFS) to 59 encode ZIP entry filename and comment fields using UTF-8. 60 <p> 61 <li><a href="http://www.ietf.org/rfc/rfc1950.txt"> 62 ZLIB Compressed Data Format Specification version 3.3</a> 63 64 <a href="http://www.ietf.org/rfc/rfc1950.txt.pdf">(pdf)</a> 65 (RFC 1950) 66 <p> 67 <li><a href="http://www.ietf.org/rfc/rfc1951.txt"> 68 DEFLATE Compressed Data Format Specification version 1.3</a> 69 70 <a href="http://www.ietf.org/rfc/rfc1951.txt.pdf">(pdf)</a> 71 (RFC 1951) 72 <p> 73 <li><a href="http://www.ietf.org/rfc/rfc1952.txt"> 74 GZIP file format specification version 4.3</a> 75 76 <a href="http://www.ietf.org/rfc/rfc1952.txt.pdf">(pdf)</a> 77 (RFC 1952) 78 <p> 79 <li>CRC-32 checksum is described in RFC 1952 (above) 80 <p> 81 <li>Adler-32 checksum is described in RFC 1950 (above) 82 </ul> 83 84 85 <!-- 86 <h2>Related Documentation</h2> 87 88 For overviews, tutorials, examples, guides, and tool documentation, please see: 89 <ul> 90 <li><a href="">##### REFER TO NON-SPEC DOCUMENTATION HERE #####</a> 91 </ul> 92 --> 93 94 @since JDK1.1 95 </body> 96 </html> 97 98 99
