1 /*
2 * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.util.zip;
27
28 /*
29 * This class defines the constants that are used by the classes
30 * which manipulate Zip64 files.
31 */
32
33 class ZipConstants64 {
34
35 /*
36 * ZIP64 constants
37 */
38 static final long ZIP64_ENDSIG = 0x06064b50L; // "PK\006\006"
39 static final long ZIP64_LOCSIG = 0x07064b50L; // "PK\006\007"
40 static final int ZIP64_ENDHDR = 56; // ZIP64 end header size
41 static final int ZIP64_LOCHDR = 20; // ZIP64 end loc header size
42 static final int ZIP64_EXTHDR = 24; // EXT header size
43 static final int ZIP64_EXTID = 0x0001; // Extra field Zip64 header ID
44
45 static final int ZIP64_MAGICCOUNT = 0xFFFF;
46 static final long ZIP64_MAGICVAL = 0xFFFFFFFFL;
47
48 /*
49 * Zip64 End of central directory (END) header field offsets
50 */
51 static final int ZIP64_ENDLEN = 4; // size of zip64 end of central dir
52 static final int ZIP64_ENDVEM = 12; // version made by
53 static final int ZIP64_ENDVER = 14; // version needed to extract
54 static final int ZIP64_ENDNMD = 16; // number of this disk
55 static final int ZIP64_ENDDSK = 20; // disk number of start
56 static final int ZIP64_ENDTOD = 24; // total number of entries on this disk
57 static final int ZIP64_ENDTOT = 32; // total number of entries
58 static final int ZIP64_ENDSIZ = 40; // central directory size in bytes
59 static final int ZIP64_ENDOFF = 48; // offset of first CEN header
60 static final int ZIP64_ENDEXT = 56; // zip64 extensible data sector
61
62 /*
63 * Zip64 End of central directory locator field offsets
64 */
65 static final int ZIP64_LOCDSK = 4; // disk number start
66 static final int ZIP64_LOCOFF = 8; // offset of zip64 end
67 static final int ZIP64_LOCTOT = 16; // total number of disks
68
69 /*
70 * Zip64 Extra local (EXT) header field offsets
71 */
72 static final int ZIP64_EXTCRC = 4; // uncompressed file crc-32 value
73 static final int ZIP64_EXTSIZ = 8; // compressed size, 8-byte
74 static final int ZIP64_EXTLEN = 16; // uncompressed size, 8-byte
75
76 /*
77 * Language encoding flag (general purpose flag bit 11)
78 *
79 * If this bit is set the filename and comment fields for this
80 * entry must be encoded using UTF-8.
81 */
82 static final int USE_UTF8 = 0x800;
83
84 /*
85 * Constants below are defined here (instead of in ZipConstants)
86 * to avoid being exposed as public fields of ZipFile, ZipEntry,
87 * ZipInputStream and ZipOutputstream.
88 */
89
90 /*
91 * Extra field header ID
92 */
93 static final int EXTID_ZIP64 = 0x0001; // Zip64
94 static final int EXTID_NTFS = 0x000a; // NTFS
95 static final int EXTID_UNIX = 0x000d; // UNIX
96 static final int EXTID_EXTT = 0x5455; // Info-ZIP Extended Timestamp
97
98 /*
99 * EXTT timestamp flags
100 */
101 static final int EXTT_FLAG_LMT = 0x1; // LastModifiedTime
102 static final int EXTT_FLAG_LAT = 0x2; // LastAccessTime
103 static final int EXTT_FLAT_CT = 0x4; // CreationTime
104
105 private ZipConstants64() {}
106 }