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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html>
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<head>
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<!--
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Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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This code is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License version 2 only, as
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published by the Free Software Foundation. Oracle designates this
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particular file as subject to the "Classpath" exception as provided
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by Oracle in the LICENSE file that accompanied this code.
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This code is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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version 2 for more details (a copy is included in the LICENSE file that
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accompanied this code).
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You should have received a copy of the GNU General Public License version
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2 along with this work; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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or visit www.oracle.com if you need additional information or have any
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questions.
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-->
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</head>
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<body bgcolor="white">
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Provides classes for reading and writing the standard ZIP and GZIP
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file formats. Also includes classes for compressing and decompressing
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data using the DEFLATE compression algorithm, which is used by the
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ZIP and GZIP file formats. Additionally, there are utility classes
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for computing the CRC-32 and Adler-32 checksums of arbitrary
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input streams.
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<h2>Package Specification</h2>
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</a>
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<ul>
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<li><a href="ftp://ftp.uu.net/pub/archiving/zip/doc/appnote-970311-iz.zip">
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Info-ZIP Application Note 970311
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</a> - a detailed description of the Info-ZIP format upon which
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the <code>java.util.zip</code> classes are based.
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<p>
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<a name="zip64">
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<li>An implementation may optionally support the ZIP64(tm) format extensions
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defined by the
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<a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT">
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PKWARE ZIP File Format Specification</a>. The ZIP64(tm) format extensions
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are used to overcome the size limitations of the original ZIP format.
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<p>
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<a name="lang_encoding">
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<li>APPENDIX D of <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT">
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PKWARE ZIP File Format Specification</a> - Language Encoding Flag (EFS) to
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encode ZIP entry filename and comment fields using UTF-8.
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<p>
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<li><a href="http://www.ietf.org/rfc/rfc1950.txt">
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ZLIB Compressed Data Format Specification version 3.3</a>
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<a href="http://www.ietf.org/rfc/rfc1950.txt.pdf">(pdf)</a>
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(RFC 1950)
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<p>
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<li><a href="http://www.ietf.org/rfc/rfc1951.txt">
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DEFLATE Compressed Data Format Specification version 1.3</a>
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<a href="http://www.ietf.org/rfc/rfc1951.txt.pdf">(pdf)</a>
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(RFC 1951)
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<p>
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<li><a href="http://www.ietf.org/rfc/rfc1952.txt">
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GZIP file format specification version 4.3</a>
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<a href="http://www.ietf.org/rfc/rfc1952.txt.pdf">(pdf)</a>
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(RFC 1952)
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<p>
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<li>CRC-32 checksum is described in RFC 1952 (above)
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<p>
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<li>Adler-32 checksum is described in RFC 1950 (above)
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</ul>
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<!--
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<h2>Related Documentation</h2>
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For overviews, tutorials, examples, guides, and tool documentation, please see:
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<ul>
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<li><a href="">##### REFER TO NON-SPEC DOCUMENTATION HERE #####</a>
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</ul>
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-->
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@since JDK1.1
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</body>
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</html>
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