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/*
- * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
*
* @author David Connelly
* @since 1.1
*/
interface ZipConstants {
- /*
- * Header signatures
+
+ /**
+ * Local file (LOC) header signature.
*/
static long LOCSIG = 0x04034b50L; // "PK\003\004"
+
+ /**
+ * Extra local (EXT) header signature.
+ */
static long EXTSIG = 0x08074b50L; // "PK\007\008"
+
+ /**
+ * Central directory (CEN) header signature.
+ */
static long CENSIG = 0x02014b50L; // "PK\001\002"
+
+ /**
+ * End of central directory (END) header signature.
+ */
static long ENDSIG = 0x06054b50L; // "PK\005\006"
- /*
- * Header sizes in bytes (including signatures)
- */
- static final int LOCHDR = 30; // LOC header size
- static final int EXTHDR = 16; // EXT header size
- static final int CENHDR = 46; // CEN header size
- static final int ENDHDR = 22; // END header size
-
- /*
- * Local file (LOC) header field offsets
- */
- static final int LOCVER = 4; // version needed to extract
- static final int LOCFLG = 6; // general purpose bit flag
- static final int LOCHOW = 8; // compression method
- static final int LOCTIM = 10; // modification time
- static final int LOCCRC = 14; // uncompressed file crc-32 value
- static final int LOCSIZ = 18; // compressed size
- static final int LOCLEN = 22; // uncompressed size
- static final int LOCNAM = 26; // filename length
- static final int LOCEXT = 28; // extra field length
-
- /*
- * Extra local (EXT) header field offsets
- */
- static final int EXTCRC = 4; // uncompressed file crc-32 value
- static final int EXTSIZ = 8; // compressed size
- static final int EXTLEN = 12; // uncompressed size
-
- /*
- * Central directory (CEN) header field offsets
- */
- static final int CENVEM = 4; // version made by
- static final int CENVER = 6; // version needed to extract
- static final int CENFLG = 8; // encrypt, decrypt flags
- static final int CENHOW = 10; // compression method
- static final int CENTIM = 12; // modification time
- static final int CENCRC = 16; // uncompressed file crc-32 value
- static final int CENSIZ = 20; // compressed size
- static final int CENLEN = 24; // uncompressed size
- static final int CENNAM = 28; // filename length
- static final int CENEXT = 30; // extra field length
- static final int CENCOM = 32; // comment length
- static final int CENDSK = 34; // disk number start
- static final int CENATT = 36; // internal file attributes
- static final int CENATX = 38; // external file attributes
- static final int CENOFF = 42; // LOC header offset
-
- /*
- * End of central directory (END) header field offsets
- */
- static final int ENDSUB = 8; // number of entries on this disk
- static final int ENDTOT = 10; // total number of entries
- static final int ENDSIZ = 12; // central directory size in bytes
- static final int ENDOFF = 16; // offset of first CEN header
- static final int ENDCOM = 20; // zip file comment length
+ /**
+ * Local file (LOC) header size in bytes (including signature).
+ */
+ static final int LOCHDR = 30;
+
+ /**
+ * Extra local (EXT) header size in bytes (including signature).
+ */
+ static final int EXTHDR = 16;
+
+ /**
+ * Central directory (CEN) header size in bytes (including signature).
+ */
+ static final int CENHDR = 46;
+
+ /**
+ * End of central directory (END) header size in bytes (including signature).
+ */
+ static final int ENDHDR = 22;
+
+ /**
+ * Local file (LOC) header version needed to extract field offset.
+ */
+ static final int LOCVER = 4;
+
+ /**
+ * Local file (LOC) header general purpose bit flag field offset.
+ */
+ static final int LOCFLG = 6;
+
+ /**
+ * Local file (LOC) header compression method field offset.
+ */
+ static final int LOCHOW = 8;
+
+ /**
+ * Local file (LOC) header modification time field offset.
+ */
+ static final int LOCTIM = 10;
+
+ /**
+ * Local file (LOC) header uncompressed file crc-32 value field offset.
+ */
+ static final int LOCCRC = 14;
+
+ /**
+ * Local file (LOC) header compressed size field offset.
+ */
+ static final int LOCSIZ = 18;
+
+ /**
+ * Local file (LOC) header uncompressed size field offset.
+ */
+ static final int LOCLEN = 22;
+
+ /**
+ * Local file (LOC) header filename length field offset.
+ */
+ static final int LOCNAM = 26;
+
+ /**
+ * Local file (LOC) header extra field length field offset.
+ */
+ static final int LOCEXT = 28;
+
+ /**
+ * Extra local (EXT) header uncompressed file crc-32 value field offset.
+ */
+ static final int EXTCRC = 4;
+
+ /**
+ * Extra local (EXT) header compressed size field offset
+ */
+ static final int EXTSIZ = 8;
+
+ /**
+ * Extra local (EXT) header uncompressed size field offset
+ */
+ static final int EXTLEN = 12;
+
+ /**
+ * Central directory (CEN) header version made by field offset.
+ */
+ static final int CENVEM = 4;
+
+ /**
+ * Central directory (CEN) header version needed to extract field offset.
+ */
+ static final int CENVER = 6;
+
+ /**
+ * Central directory (CEN) header encrypt, decrypt flags field offset.
+ */
+ static final int CENFLG = 8;
+
+ /**
+ * Central directory (CEN) header compression method field offset.
+ */
+ static final int CENHOW = 10;
+
+ /**
+ * Central directory (CEN) header modification time field offset.
+ */
+ static final int CENTIM = 12;
+
+ /**
+ * Central directory (CEN) header uncompressed file crc-32 value field offset.
+ */
+ static final int CENCRC = 16;
+
+ /**
+ * Central directory (CEN) header compressed size field offset.
+ */
+ static final int CENSIZ = 20;
+
+ /**
+ * Central directory (CEN) header uncompressed size field offset.
+ */
+ static final int CENLEN = 24;
+
+ /**
+ * Central directory (CEN) header filename length field offset.
+ */
+ static final int CENNAM = 28;
+
+ /**
+ * Central directory (CEN) header extra field length field offset.
+ */
+ static final int CENEXT = 30;
+
+ /**
+ * Central directory (CEN) header comment length field offset.
+ */
+ static final int CENCOM = 32;
+
+ /**
+ * Central directory (CEN) header disk number start field offset.
+ */
+ static final int CENDSK = 34;
+
+ /**
+ * Central directory (CEN) header internal file attributes field offset.
+ */
+ static final int CENATT = 36;
+
+ /**
+ * Central directory (CEN) header external file attributes field offset.
+ */
+ static final int CENATX = 38;
+
+ /**
+ * Central directory (CEN) header LOC header offset field offset.
+ */
+ static final int CENOFF = 42;
+
+ /**
+ * End of central directory (END) header number of entries on this disk field offset.
+ */
+ static final int ENDSUB = 8;
+
+ /**
+ * End of central directory (END) header total number of entries field offset.
+ */
+ static final int ENDTOT = 10;
+
+ /**
+ * End of central directory (END) header central directory size in bytes field offset.
+ */
+ static final int ENDSIZ = 12;
+
+ /**
+ * End of central directory (END) header offset for the first CEN header field offset.
+ */
+ static final int ENDOFF = 16;
+
+ /**
+ * End of central directory (END) header zip file comment length field offset.
+ */
+ static final int ENDCOM = 20;
}
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