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/*
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* Copyright (c) 1995, 1996, 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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*
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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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*
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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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*
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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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*
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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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package java.util.zip;
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/*
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* This interface defines the constants that are used by the classes
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* which manipulate ZIP files.
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*
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* @author David Connelly
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*/
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interface ZipConstants {
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/*
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* Header signatures
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*/
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static long LOCSIG = 0x04034b50L; // "PK\003\004"
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static long EXTSIG = 0x08074b50L; // "PK\007\008"
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static long CENSIG = 0x02014b50L; // "PK\001\002"
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static long ENDSIG = 0x06054b50L; // "PK\005\006"
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/*
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* Header sizes in bytes (including signatures)
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*/
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static final int LOCHDR = 30; // LOC header size
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static final int EXTHDR = 16; // EXT header size
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static final int CENHDR = 46; // CEN header size
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static final int ENDHDR = 22; // END header size
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/*
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* Local file (LOC) header field offsets
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*/
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static final int LOCVER = 4; // version needed to extract
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static final int LOCFLG = 6; // general purpose bit flag
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static final int LOCHOW = 8; // compression method
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static final int LOCTIM = 10; // modification time
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static final int LOCCRC = 14; // uncompressed file crc-32 value
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static final int LOCSIZ = 18; // compressed size
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static final int LOCLEN = 22; // uncompressed size
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static final int LOCNAM = 26; // filename length
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static final int LOCEXT = 28; // extra field length
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/*
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* Extra local (EXT) header field offsets
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*/
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static final int EXTCRC = 4; // uncompressed file crc-32 value
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static final int EXTSIZ = 8; // compressed size
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static final int EXTLEN = 12; // uncompressed size
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/*
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* Central directory (CEN) header field offsets
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*/
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static final int CENVEM = 4; // version made by
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static final int CENVER = 6; // version needed to extract
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static final int CENFLG = 8; // encrypt, decrypt flags
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static final int CENHOW = 10; // compression method
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static final int CENTIM = 12; // modification time
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static final int CENCRC = 16; // uncompressed file crc-32 value
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static final int CENSIZ = 20; // compressed size
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static final int CENLEN = 24; // uncompressed size
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static final int CENNAM = 28; // filename length
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static final int CENEXT = 30; // extra field length
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static final int CENCOM = 32; // comment length
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static final int CENDSK = 34; // disk number start
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static final int CENATT = 36; // internal file attributes
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static final int CENATX = 38; // external file attributes
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static final int CENOFF = 42; // LOC header offset
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/*
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* End of central directory (END) header field offsets
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*/
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static final int ENDSUB = 8; // number of entries on this disk
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static final int ENDTOT = 10; // total number of entries
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static final int ENDSIZ = 12; // central directory size in bytes
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static final int ENDOFF = 16; // offset of first CEN header
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static final int ENDCOM = 20; // zip file comment length
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}
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