- 01
/* - 02
* @(#)ZipConstants.java 1.19 05/11/17 - 03 *
- 04 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
- 05 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- 06
*/ - 07
- 08package java.util.zip;
- 09
- 10/*
- 11 * This interface defines the constants that are used by the classes
- 12 * which manipulate ZIP files.
- 13 *
- 14 * @version 1.19, 11/17/05
- 15 * @author David Connelly
- 16 */
- 17interface ZipConstants {
- 18 /*
- 19 * Header signatures
- 20 */
- 21 static long LOCSIG = 0x04034b50L; // "PK\003\004"
- 22 static long EXTSIG = 0x08074b50L; // "PK\007\008"
- 23 static long CENSIG = 0x02014b50L; // "PK\001\002"
- 24 static long ENDSIG = 0x06054b50L; // "PK\005\006"
- 25
- 26 /*
- 27 * Header sizes in bytes (including signatures)
- 28 */
- 29 static final int LOCHDR = 30; // LOC header size
- 30 static final int EXTHDR = 16; // EXT header size
- 31 static final int CENHDR = 46; // CEN header size
- 32 static final int ENDHDR = 22; // END header size
- 33
- 34 /*
- 35 * Local file (LOC) header field offsets
- 36 */
- 37 static final int LOCVER = 4; // version needed to extract
- 38 static final int LOCFLG = 6; // general purpose bit flag
- 39 static final int LOCHOW = 8; // compression method
- 40 static final int LOCTIM = 10; // modification time
- 41 static final int LOCCRC = 14; // uncompressed file crc-32 value
- 42 static final int LOCSIZ = 18; // compressed size
- 43 static final int LOCLEN = 22; // uncompressed size
- 44 static final int LOCNAM = 26; // filename length
- 45 static final int LOCEXT = 28; // extra field length
- 46
- 47 /*
- 48 * Extra local (EXT) header field offsets
- 49 */
- 50 static final int EXTCRC = 4; // uncompressed file crc-32 value
- 51 static final int EXTSIZ = 8; // compressed size
- 52 static final int EXTLEN = 12; // uncompressed size
- 53
- 54 /*
- 55 * Central directory (CEN) header field offsets
- 56 */
- 57 static final int CENVEM = 4; // version made by
- 58 static final int CENVER = 6; // version needed to extract
- 59 static final int CENFLG = 8; // encrypt, decrypt flags
- 60 static final int CENHOW = 10; // compression method
- 61 static final int CENTIM = 12; // modification time
- 62 static final int CENCRC = 16; // uncompressed file crc-32 value
- 63 static final int CENSIZ = 20; // compressed size
- 64 static final int CENLEN = 24; // uncompressed size
- 65 static final int CENNAM = 28; // filename length
- 66 static final int CENEXT = 30; // extra field length
- 67 static final int CENCOM = 32; // comment length
- 68 static final int CENDSK = 34; // disk number start
- 69 static final int CENATT = 36; // internal file attributes
- 70 static final int CENATX = 38; // external file attributes
- 71 static final int CENOFF = 42; // LOC header offset
- 72
- 73 /*
- 74 * End of central directory (END) header field offsets
- 75 */
- 76 static final int ENDSUB = 8; // number of entries on this disk
- 77 static final int ENDTOT = 10; // total number of entries
- 78 static final int ENDSIZ = 12; // central directory size in bytes
- 79 static final int ENDOFF = 16; // offset of first CEN header
- 80 static final int ENDCOM = 20; // zip file comment length
- 81}
