237 lines
6.2 KiB
Java
237 lines
6.2 KiB
Java
/*
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* Copyright (c) 1995, 2020, 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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* @since 1.1
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*/
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interface ZipConstants {
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/**
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* Local file (LOC) header signature.
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*/
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static long LOCSIG = 0x04034b50L; // "PK\003\004"
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/**
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* Extra local (EXT) header signature.
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*/
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static long EXTSIG = 0x08074b50L; // "PK\007\008"
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/**
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* Central directory (CEN) header signature.
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*/
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static long CENSIG = 0x02014b50L; // "PK\001\002"
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/**
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* End of central directory (END) header signature.
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*/
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static long ENDSIG = 0x06054b50L; // "PK\005\006"
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/**
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* Local file (LOC) header size in bytes (including signature).
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*/
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static final int LOCHDR = 30;
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/**
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* Extra local (EXT) header size in bytes (including signature).
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*/
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static final int EXTHDR = 16;
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/**
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* Central directory (CEN) header size in bytes (including signature).
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*/
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static final int CENHDR = 46;
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/**
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* End of central directory (END) header size in bytes (including signature).
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*/
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static final int ENDHDR = 22;
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/**
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* Local file (LOC) header version needed to extract field offset.
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*/
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static final int LOCVER = 4;
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/**
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* Local file (LOC) header general purpose bit flag field offset.
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*/
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static final int LOCFLG = 6;
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/**
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* Local file (LOC) header compression method field offset.
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*/
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static final int LOCHOW = 8;
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/**
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* Local file (LOC) header modification time field offset.
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*/
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static final int LOCTIM = 10;
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/**
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* Local file (LOC) header uncompressed file crc-32 value field offset.
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*/
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static final int LOCCRC = 14;
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/**
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* Local file (LOC) header compressed size field offset.
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*/
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static final int LOCSIZ = 18;
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/**
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* Local file (LOC) header uncompressed size field offset.
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*/
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static final int LOCLEN = 22;
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/**
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* Local file (LOC) header filename length field offset.
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*/
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static final int LOCNAM = 26;
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/**
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* Local file (LOC) header extra field length field offset.
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*/
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static final int LOCEXT = 28;
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/**
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* Extra local (EXT) header uncompressed file crc-32 value field offset.
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*/
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static final int EXTCRC = 4;
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/**
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* Extra local (EXT) header compressed size field offset.
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*/
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static final int EXTSIZ = 8;
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/**
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* Extra local (EXT) header uncompressed size field offset.
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*/
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static final int EXTLEN = 12;
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/**
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* Central directory (CEN) header version made by field offset.
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*/
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static final int CENVEM = 4;
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/**
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* Central directory (CEN) header version needed to extract field offset.
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*/
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static final int CENVER = 6;
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/**
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* Central directory (CEN) header encrypt, decrypt flags field offset.
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*/
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static final int CENFLG = 8;
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/**
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* Central directory (CEN) header compression method field offset.
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*/
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static final int CENHOW = 10;
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/**
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* Central directory (CEN) header modification time field offset.
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*/
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static final int CENTIM = 12;
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/**
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* Central directory (CEN) header uncompressed file crc-32 value field offset.
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*/
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static final int CENCRC = 16;
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/**
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* Central directory (CEN) header compressed size field offset.
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*/
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static final int CENSIZ = 20;
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/**
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* Central directory (CEN) header uncompressed size field offset.
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*/
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static final int CENLEN = 24;
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/**
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* Central directory (CEN) header filename length field offset.
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*/
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static final int CENNAM = 28;
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/**
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* Central directory (CEN) header extra field length field offset.
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*/
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static final int CENEXT = 30;
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/**
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* Central directory (CEN) header comment length field offset.
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*/
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static final int CENCOM = 32;
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/**
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* Central directory (CEN) header disk number start field offset.
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*/
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static final int CENDSK = 34;
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/**
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* Central directory (CEN) header internal file attributes field offset.
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*/
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static final int CENATT = 36;
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/**
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* Central directory (CEN) header external file attributes field offset.
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*/
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static final int CENATX = 38;
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/**
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* Central directory (CEN) header LOC header offset field offset.
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*/
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static final int CENOFF = 42;
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/**
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* End of central directory (END) header number of entries on this disk field offset.
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*/
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static final int ENDSUB = 8;
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/**
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* End of central directory (END) header total number of entries field offset.
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*/
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static final int ENDTOT = 10;
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/**
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* End of central directory (END) header central directory size in bytes field offset.
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*/
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static final int ENDSIZ = 12;
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/**
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* End of central directory (END) header offset for the first CEN header field offset.
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*/
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static final int ENDOFF = 16;
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/**
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* End of central directory (END) header zip file comment length field offset.
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*/
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static final int ENDCOM = 20;
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}
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