jaroslav@609: /*
jaroslav@609:  * Copyright (c) 1995, 1996, Oracle and/or its affiliates. All rights reserved.
jaroslav@609:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jaroslav@609:  *
jaroslav@609:  * This code is free software; you can redistribute it and/or modify it
jaroslav@609:  * under the terms of the GNU General Public License version 2 only, as
jaroslav@609:  * published by the Free Software Foundation.  Oracle designates this
jaroslav@609:  * particular file as subject to the "Classpath" exception as provided
jaroslav@609:  * by Oracle in the LICENSE file that accompanied this code.
jaroslav@609:  *
jaroslav@609:  * This code is distributed in the hope that it will be useful, but WITHOUT
jaroslav@609:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jaroslav@609:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jaroslav@609:  * version 2 for more details (a copy is included in the LICENSE file that
jaroslav@609:  * accompanied this code).
jaroslav@609:  *
jaroslav@609:  * You should have received a copy of the GNU General Public License version
jaroslav@609:  * 2 along with this work; if not, write to the Free Software Foundation,
jaroslav@609:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jaroslav@609:  *
jaroslav@609:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jaroslav@609:  * or visit www.oracle.com if you need additional information or have any
jaroslav@609:  * questions.
jaroslav@609:  */
jaroslav@609: 
jaroslav@609: package java.util.zip;
jaroslav@609: 
jaroslav@609: /*
jaroslav@609:  * This interface defines the constants that are used by the classes
jaroslav@609:  * which manipulate ZIP files.
jaroslav@609:  *
jaroslav@609:  * @author      David Connelly
jaroslav@609:  */
jaroslav@609: interface ZipConstants {
jaroslav@609:     /*
jaroslav@609:      * Header signatures
jaroslav@609:      */
jaroslav@609:     static long LOCSIG = 0x04034b50L;   // "PK\003\004"
jaroslav@609:     static long EXTSIG = 0x08074b50L;   // "PK\007\008"
jaroslav@609:     static long CENSIG = 0x02014b50L;   // "PK\001\002"
jaroslav@609:     static long ENDSIG = 0x06054b50L;   // "PK\005\006"
jaroslav@609: 
jaroslav@609:     /*
jaroslav@609:      * Header sizes in bytes (including signatures)
jaroslav@609:      */
jaroslav@609:     static final int LOCHDR = 30;       // LOC header size
jaroslav@609:     static final int EXTHDR = 16;       // EXT header size
jaroslav@609:     static final int CENHDR = 46;       // CEN header size
jaroslav@609:     static final int ENDHDR = 22;       // END header size
jaroslav@609: 
jaroslav@609:     /*
jaroslav@609:      * Local file (LOC) header field offsets
jaroslav@609:      */
jaroslav@609:     static final int LOCVER = 4;        // version needed to extract
jaroslav@609:     static final int LOCFLG = 6;        // general purpose bit flag
jaroslav@609:     static final int LOCHOW = 8;        // compression method
jaroslav@609:     static final int LOCTIM = 10;       // modification time
jaroslav@609:     static final int LOCCRC = 14;       // uncompressed file crc-32 value
jaroslav@609:     static final int LOCSIZ = 18;       // compressed size
jaroslav@609:     static final int LOCLEN = 22;       // uncompressed size
jaroslav@609:     static final int LOCNAM = 26;       // filename length
jaroslav@609:     static final int LOCEXT = 28;       // extra field length
jaroslav@609: 
jaroslav@609:     /*
jaroslav@609:      * Extra local (EXT) header field offsets
jaroslav@609:      */
jaroslav@609:     static final int EXTCRC = 4;        // uncompressed file crc-32 value
jaroslav@609:     static final int EXTSIZ = 8;        // compressed size
jaroslav@609:     static final int EXTLEN = 12;       // uncompressed size
jaroslav@609: 
jaroslav@609:     /*
jaroslav@609:      * Central directory (CEN) header field offsets
jaroslav@609:      */
jaroslav@609:     static final int CENVEM = 4;        // version made by
jaroslav@609:     static final int CENVER = 6;        // version needed to extract
jaroslav@609:     static final int CENFLG = 8;        // encrypt, decrypt flags
jaroslav@609:     static final int CENHOW = 10;       // compression method
jaroslav@609:     static final int CENTIM = 12;       // modification time
jaroslav@609:     static final int CENCRC = 16;       // uncompressed file crc-32 value
jaroslav@609:     static final int CENSIZ = 20;       // compressed size
jaroslav@609:     static final int CENLEN = 24;       // uncompressed size
jaroslav@609:     static final int CENNAM = 28;       // filename length
jaroslav@609:     static final int CENEXT = 30;       // extra field length
jaroslav@609:     static final int CENCOM = 32;       // comment length
jaroslav@609:     static final int CENDSK = 34;       // disk number start
jaroslav@609:     static final int CENATT = 36;       // internal file attributes
jaroslav@609:     static final int CENATX = 38;       // external file attributes
jaroslav@609:     static final int CENOFF = 42;       // LOC header offset
jaroslav@609: 
jaroslav@609:     /*
jaroslav@609:      * End of central directory (END) header field offsets
jaroslav@609:      */
jaroslav@609:     static final int ENDSUB = 8;        // number of entries on this disk
jaroslav@609:     static final int ENDTOT = 10;       // total number of entries
jaroslav@609:     static final int ENDSIZ = 12;       // central directory size in bytes
jaroslav@609:     static final int ENDOFF = 16;       // offset of first CEN header
jaroslav@609:     static final int ENDCOM = 20;       // zip file comment length
jaroslav@609: }